Check engine light on pontiac g6

2006 Pontiac G6 GTP. Engine Size 3.9 V6. Question: Check Engine light on. Code reads PO121. Took it to a shop to have it put of the diagnostic machine to tell I was told it was the air filter and the air flow had some dirt. They said the fixed it but I am having the same problems and the check engine light is on again.

Check engine light on pontiac g6. One is a sticking open or thermostat that the seal has come off. The other is a software issue. What happens is basically the vehicle is taking too long to reach operating temperature. For emissions reasons, when this occurs, the computer is required to turn on the check engine light. The p0128 will store and disable the temp gauge, set a check ...

Nov 3, 2015 · pontiac g6 is easy no tools needed or obd! turn key from off to on twice on second time leave in on position. car will ding the codes! like ding, d,d , d pause d,d,d,d,d,d,. thats four dings pause then 6.. code 46 anti theft system key no recongnizd. 44 is o2 censor ect..

check engine light again!!! Jump to Latest Follow Status Not open for further replies. 21 - 22 of 22 Posts. 1 2. H. [email protected] · HiloGurl83. Joined Dec 13, 2007 · 11 Posts #21 · Jul 29 ... Pontiac G6 Forum. 143K posts 39K members Since 2004 We're a forum community dedicated to the Pontiac G6. ...G6 Buyer's Guide/General Information. Check Engine Light. Jump to Latest Follow 3K views 3 ...A check engine light can indicate a broad spectrum of problems with your 2006 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely …1. Recall N140115 - "In the affected vehicles, there may be a sudden loss of electric power steering (EPS) assist that could occur at any time while driving. Should that occur, greater driver effort would be required to steer the vehicle at low speeds, increasing the risk of a crash." There are 4 bulletins regarding this recall, but this is the ...The check engine light is on , Advance Auto scanned it and came up with code # P0128. Th e car is an 08 g6 gt, any ideas what this could . The guy said it had some thing to do with the temp. sensor. The temp gauge is'nt working, so I am sure it has to do with the problem. Thanks. BTW Thanks...Need a lighting design company in Chicago? Read reviews & compare projects by leading lighting designers. Find a company today! Development Most Popular Emerging Tech Development L...

A check engine light can indicate a broad spectrum of problems with your 2007 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ... What to expect when your 2007 Pontiac G6 has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the ...Pontiac G6 – (Joseph Creamer / Shutterstock) There are several possible causes of low oil pressure warning light in Pontiac G6, including low oil level, a malfunctioning oil pressure sensor, a clogged oil filter, or a failing oil pump. 1. Low oil level. A low engine oil level can cause the low oil pressure warning light to turn on in your G6.The “Check Engine” light in a Toyota Camry indicates that there’s a problem with the electronic engine control, electronic throttle control or electronic automatic transmission con...G6 2.4L. Automatic transmission. 65,000 miles. 2007 2.4 4-cylinder stutters & goes into safe mode (10mph) with no warning. Check engine light comes on & car begins to lose power. You can remove ...The ABS light comes on in the dashboard of Pontiac G6 when one or more of the wheel speed sensors have malfunctioned, brake fluid is too low, the fuse is blown or the relay is bad, tire pressure is low, or if the ABS module has developed a defect. When the ABS light / comes on in your G6, the anti-lock braking system is disabled.Nov 20, 2018 · If there were no obvious issues causing P0172, check the fuel pressure. You can usually get a loaner fuel pressure testing tool at many parts stores. If the fuel pressure is too high at the rail, you’ll need to fix the issue with whatever your G6 uses to regulate it or the fuel pressure sensor. 5. Clean the MAF Sensor. The most common symptom of a P0128 trouble code in a Pontiac G6 is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Pontiac G6 is the lack of heat. When the thermostat doesn’t bring the ...

Rotate your tires at least three times per year. 2008 Pontiac G6 GT 3.9L V6 Convertible (2 Door) See all videos for the 2008 Pontiac G6. This free video provides the steps to diagnose and clear a check engine light on a 2009 Pontiac G6 2.4L 4 Cyl.. The video also provides steps on how to read the 2009 Pontiac G6 2.4L 4 Cyl. trouble code.pontiac / g6 / 2006 / check engine light; check engine light. 2006 pontiac g6. asked by anytryit31 in bloomfield, ny on . june 17, 2010. so my check engine light came on and i took it to a shop we replace all the o2 sensors as the code stated was wrong with gm o2 sensors, yet the light will not go out even the shop owner is confused. when we ...May 6, 2018 · I find the biggest problem with GM traction control is with the yaw sensor and the steering angle sensor. When the yaw sensor goes the vehicle will lock up the brake of the freewheeling side when turning hard to the left or right . when the steering sensor goes the steering wheel shudders when... - Pontiac G6 Feb 11, 2009 · The light is still on. I got my friend to run the codes and they came out to be P1682 and P0449 (That code was on there twice.) I did a little research and these are the results I found: P1682 - Low Cat Efficiency. P0449 - Electrical or Emission Canister Solenoid Emission Valve. If anyone has any suggestions or I am WAY off please tell me. This is usually caused by a bad exhaust CMP actuator solenoid or it's circuit (bank 1 if the 3.6l engine). Please search in this forum on "P0014" & read those threads first & come back with any questions. This part is covered under the powertrain warranty. 1104: This code is not used for your car. Recheck this one.The average price of a 2010 Pontiac G6 check engine light can vary depending on location. Get a free detailed estimate for a check engine light in your area from KBB.com. Car Values.

Majestic 10 cinemas.

2006 Pontiac G6 GTP. Engine Size 3.9 V6. Question: Check Engine light on. Code reads PO121. Took it to a shop to have it put of the diagnostic machine to tell I was told it was the air filter and the air flow had some dirt. They said the fixed it but I am having the same problems and the check engine light is on again.I got a Pontiac G6 2008.I was listen to the radio.got out the car,got back in and my radio wouldn't come on.I looked down and my check engine light was on.went to auto zone and they hook it up to see what was going on.and some codes popped up.each code got something to do with the heater control circuit sensor.But at the top of the report …What to expect when your 2007 Pontiac G6 has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the ...The check engine light on a 2007 Pontiac G6 can be turned off by accessing the vehicle’s on-board diagnostics (OBD) system. To do this, you will need to locate the OBD port, which is typically located under the dashboard. Once you have access to the OBD port, you can connect a compatible OBD scanner to the port.A couple of months ago, I started getting a Check Gas Cap message on the display screen. A verified the gas cap was on tight. After a couple of weeks I replaced the gas cap and the message went away immediately. A few weeks later this started happening again, an addition the check engine light would come on.Pontiac G6. P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the Pontiac G6. It indicates an issue with your car’s Variable Valve Timing (VVT) system. The first thing you should do when you have this code is check your G6’s oil. If the oil level is too low, the camshaft.

The check engine light is on , Advance Auto scanned it and came up with code # P0128. Th e car is an 08 g6 gt, any ideas what this could . The guy said it had some thing to do with the temp. sensor. The temp gauge is'nt working, so I am sure it has to do with the problem. Thanks. BTW Thanks...I have a 2007 Pontiac G6 GT 3.5 liter V6. One day I drove it and the check Engine light came on and a message came up on the display "Reduced Engine Power". The car started to run very badly. I parked it, looked under the hood saw no signs of anything wrong, disconnected the battery to reset the computer and the car ran fine!!!When there is a large leak in the Pontiac G6’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your G6 has a small EVAP leak. While the trouble code may state that there is a “large leak” in the ...2006 Pontiac G6 GTP. Engine Size 3.9 V6. Question: Check Engine light on. Code reads PO121. Took it to a shop to have it put of the diagnostic machine to tell I was told it was the air filter and the air flow had some dirt. They said the fixed it but I am having the same problems and the check engine light is on again.29 posts · Joined 2011. #1 · Feb 19, 2011. Hey guys, this morning I turned on my car and about 2 minutes after i started driving it, the check engine light came on. Then I started noticing that when I was at a stop or red light, my RPM would go down and up and down and up and so on and when the RPM dropped, I would start feeling my car vibrate.2007 Pontiac G6 130,050 mi, Visitor. Check engine light due to gas cap displayed and gas metor started decreasing showing I was burning gas at a rapid pace. I pulled over, and after pulling over checked the cap, and the cap was fine. Got back into my car, and the check engine light was gone.The average price of a 2006 Pontiac G6 check engine light can vary depending on location. Get a free detailed estimate for a check engine light in your area from KBB.com. Car Values.Although the exact causes vary depending on the type of vehicle, the most common cause of the check engine light coming on is a faulty oxygen sensor. A loose gas cap also causes th...At first glance, the issues appear unrelated, as they are on diff banks. So far you've replaced the bank 1 cat & the bank 1 pre-cat oxygen sensor. First clean the MAF sensor if you have not. If no joy, it's likely you have an intake air leak post MAF in bank 2. A smoke test is often successful in finding intake leaks.I have a 2007 Pontiac G6 GT 3.5 liter V6. One day I drove it and the check Engine light came on and a message came up on the display "Reduced Engine Power". The car started to run very badly. I parked it, looked under the hood saw no signs of anything wrong, disconnected the battery to reset the computer and the car ran fine!!!

Sometimes the sensor notices first. A bad beating causes your ABS/TCS system to engage because the car thinks you're skidding. After a while, the sensor will be erratic enough that the car will detect that it's a problem, kick off the systems and your indicators light up like a Christmas tree. By this time if you don't hear the bearing, you'd ...

Come along with Eric O. as he covers the steps in diagnosing this Pontiac G6 that came in with the engine light on and the dreaded "No Communication" being d...Nov 20, 2018 · If there were no obvious issues causing P0172, check the fuel pressure. You can usually get a loaner fuel pressure testing tool at many parts stores. If the fuel pressure is too high at the rail, you’ll need to fix the issue with whatever your G6 uses to regulate it or the fuel pressure sensor. 5. Clean the MAF Sensor. If you’ve ever had your car’s check engine light come on, you know how unnerving it can be. The check engine light is an indicator that something is wrong with your vehicle, and it...oil pressure light/check engine light/reduced engine power/ SOS. Hello! Alright so i have a 2006 Pontiac G6 3.5 V6 four door sedan which i've had since 65k miles or so.... right now it's got..... roughly, 160k ish.... miles on it now. haha DAMN i just realized how much more that was. anywho!2009 Pontiac G6 V6-3.5L Removal and Replacement Vehicle Engine, Cooling and Exhaust Cooling System Thermostat Service and Repair Removal and Replacement ... But if the check engine light isn't on they might not be able to get the codes with there do it yourself scan tools they use. But it's worth a try you have to use a code reader or more ...Jun 19, 2018 ... Comments71 · 2004 pontiac grand prix engine reduced power light · 3800 3.8L GM engine stalling issue quick fix · 2004 Pontiac Grand Prix start...May 19, 2023 · Pontiac G6 – (Joseph Creamer / Shutterstock) There are several possible causes of low oil pressure warning light in Pontiac G6, including low oil level, a malfunctioning oil pressure sensor, a clogged oil filter, or a failing oil pump. 1. Low oil level. A low engine oil level can cause the low oil pressure warning light to turn on in your G6.

Kodi build installer.

Cheap homes for sale in pueblo colorado.

The Check Engine Light With Code: P0011, P0014, P0021, P0024, P0341, P0346, P0336, and/or P0391; Oil Leak From Front Crankshaft Seal; Transmission Fault and/or Check …2006 Pontiac G6 Check Engine light. MYKLL13 MEMBER; 2006 PONTIAC G6; 6 CYL; FWD; MANUAL; 51,000 MILES; I just put a BMW style cat back exhaust on my 2006 G6 GTP. Ever since then, I get a trouble code saying "System too lean (Bank 2)". ... After A 2+ Hour Trip, We Took Off From A Stop Light And The Check Engine Light Came On, …Pontiac Mechanic: GM Tech (Cam) For the converter to go out again suggests the result was fixed not the cause. Ask to speak to the service manager and even get the numebr for the Zone manager. Also call (NNN) NNN-NNNNand talk to them. Ask Your Own Pontiac Question.1. Recall N140115 - "In the affected vehicles, there may be a sudden loss of electric power steering (EPS) assist that could occur at any time while driving. Should that occur, greater driver effort would be required to steer the vehicle at low speeds, increasing the risk of a crash." There are 4 bulletins regarding this recall, but this is the ...The 1965 Pontiac Tempest GTO fueled the GTO muscle car legend. Here is a profile of the 1965 Pontiac Tempest GTO, with photos and specifications. Advertisement Advertisement Please...A check engine light can indicate a broad spectrum of problems with your 2009 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ...Pontiac G6 – (Joseph Creamer / Shutterstock) There are several possible causes of low oil pressure warning light in Pontiac G6, including low oil level, a malfunctioning oil pressure sensor, a clogged oil filter, or a failing oil pump. 1. Low oil level. A low engine oil level can cause the low oil pressure warning light to turn on in your G6.One is a sticking open or thermostat that the seal has come off. The other is a software issue. What happens is basically the vehicle is taking too long to reach operating temperature. For emissions reasons, when this occurs, the computer is required to turn on the check engine light. The p0128 will store and disable the temp gauge, set a check ...3.2K views 2 years ago. This is a simple fix for the Pontiac G6 3.9L if the check engine light is on, before buying any part I would highly recommend check those wires. ...more.2006 PONTIAC G6. 6 CYL. FWD. AUTOMATIC. 67,000 MILES. 2006 G6 Idles rough. Check engine light came on and misfires randomly. Mechanic replaced wires and plugs. Replaced coil pack and cleaned injectors. ….

When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Pontiac G6. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Pontiac G6 built after for the 1996 model year and up.2008 G6 check engine light. Jump to Latest Follow. 1K views 3 replies 4 participants last post by KruzMissile Dec 11, 2022. RJFoster Discussion starter. 8 posts · Joined 2021. #1 · Nov 14, 2022. So..we changed out the power steering pump and now the check engine light is on. I'm certain it just needs reset.Feb 13, 2022 ... How to reset the change oil warning on a Pontiac, this is a simple and quick video on how to reset the oil life warning on a Pontiac G6.2006 PONTIAC G6. 6 CYL. FWD. AUTOMATIC. 67,000 MILES. 2006 G6 Idles rough. Check engine light came on and misfires randomly. Mechanic replaced wires and plugs. Replaced coil pack and cleaned injectors.Aug 4, 2013 · 303 posts · Joined 2012. #2 · Aug 4, 2013. In a turn, the oil will slosh to one side of the sump. In your case, when this happens, it sounds like the pickup is sucking some air for a moment resulting in the light coming on. I'd check the oil level and make sure it's not low. Aug 1, 2009 · 21 posts · Joined 2007. #2 · Aug 3, 2009. Code P2138 is an Accelerator Pedal Position Sensor. Code P0449 is an Evaporative Vent Solenoid Control Circuit . Check for loose gas cap or poor seal on gas cap. I cannot locate code 1125. Hope this helps. If you need more info, email me. 21 posts · Joined 2007. #2 · Aug 3, 2009. Code P2138 is an Accelerator Pedal Position Sensor. Code P0449 is an Evaporative Vent Solenoid Control Circuit . Check for loose gas cap or poor seal on gas cap. I cannot locate code 1125. Hope this helps. If you need more info, email me.The average price of a 2005 Pontiac G6 check engine light can vary depending on location. Get a free detailed estimate for a check engine light in your area from KBB.com. Car Values. Check engine light on pontiac g6, Jan 17, 2020 ... BEST OBD2 SCAN TOOL FOR THE DIY AUTO MECHANIC: https://amzn.to/37g8EC9 . PONTIAC G6 OBD2 PORT LOCATION., May 30, 2010 · I have a 2007 g6 3.5 sedan and it failed inspection because when i turn the key to the on position, the check engine light doesn't come on. Could it be the bulb is out or a fuse is blown? Any suggestions will be greatly appreciated. , I have a 2006 Pontiac G6 it has 131,000 miles on it. A week ago my car has been stalling on idle and when I am driving it. For example.. When I'm driving the engine light will come on then the engine will die. Then I have to pull over turn the key over a few times then it'll come back on without the check engine still being on., 2007 Pontiac G6 130,050 mi, Visitor. Check engine light due to gas cap displayed and gas metor started decreasing showing I was burning gas at a rapid pace. I pulled over, and after pulling over checked the cap, and the cap was fine. Got back into my car, and the check engine light was gone., The 2007 Pontiac G6 engine compartment fuse block is located on the driver's side of the engine compartment, near the battery. The wiring circuits in Pontiac G6 are protected from short circuits by a combination of fuses, circuit breakers and fusible links., I have a 2005 g6 pontiac and the check engine light had been on for 2 day it cuts on af. 2005 Pontiac G6 GT-Maintenance & Repair. Check Engine Light 1 Answer. Today on the way to work, my check engine light came on. I have a 2006 Pontiac g6. The car drove perfectly fine. Once I got to work, I shut the car off and attempted to start it., SOURCE: engine light 2006 pontiac g6(reset) first be sure that its the engine light and not the "service" light. the service light will usually illuminate if its time for an oil change. if its the service light ur owners manual should tell u how to reset it. if its ur engine light then try disconnecting ur positive battery cable for 1 minute. that should …, A check engine light can indicate a broad spectrum of problems with your 2006 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ..., A check engine light can indicate a broad spectrum of problems with your 2006 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ... , What to expect when your Pontiac G6 has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the specific ... , Thank you so much Greenman! I'm also having this issue at around 130,000 miles and it's really upsetting after my brake lights & cruise control not working that was recalled but not for my VIN and then replacing my …, Need a lighting design company in London? Read reviews & compare projects by leading lighting designers. Find a company today! Development Most Popular Emerging Tech Development La..., A check engine light can indicate a broad spectrum of problems with your 2006 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ..., P0455 in the Pontiac G6 is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn't notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your G6. But, whenever the check engine light is on, it's, I have a 2008 G6 w/2.4L 4-cyl engine. At 7700 miles the check engine light came on. At the dealer they said the Evaporative Emission Canister was leaking. They …, The 2005-2009 Pontiac G6 is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light , setting code P0446 , and problems filling the tank with fuel. To correct the issue, the EVAP canister vent valve , solenoid, and …, Just bought a fire engine red 2006 G6 (V6), I absolutely love the car, runs perfectly and spotless inside. I get it home and the check engine light comes on! Took it back to the dealer where I bought it and they replaced the catalytic converter. As I was driving it home, the check engine light came back on., Here’s a solid way to go about diagnosing P0715 in your Pontiac G6. 1. Check the Transmission Fluid. Check your G6’s transmission fluid. Make sure that it is full. Low transmission fluid will cause the input shaft speed to increase in relation to the engine speed (it’ll slip). Dirty transmission fluid can also cause P0715., Hi. I had the Check gas cap light, and I replaced the cap. I got Code PO496 now, and I believe it's the evap canister solenoid valve. Is it really on top of the gas tank? Do I have to lower the tank at all to access it? Or can I get to it an easier way? Did anyone happen to do this already and have a different thread posted with any pictures?, The 2005-2009 Pontiac G6 is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light, setting code P0446, and problems filling the tank with fuel.. To correct the issue, the EVAP canister vent valve, solenoid, and wiring …, Your engine is not having sufficient air to work properly. And this is having effect on the Traction Control & Check Engine light that is coming on and off. Try it this will solve your problem. I,v had the same problem with my G6 2007 1 month ago, and it still running smoothly., Check engine light P0013-P0014. Asked by Francinema Nov 05, 2015 at 01:08 PM about the 2008 Pontiac G6 GT. Question type: Maintenance & Repair. My daughters 2008 Pontiac G6 check engine light came on,checked code. came out P0013-P0014, replaced can shaft sensor light went out for 2 weeks. then came on had code …, Jan 17, 2020 ... BEST OBD2 SCAN TOOL FOR THE DIY AUTO MECHANIC: https://amzn.to/37g8EC9 . PONTIAC G6 OBD2 PORT LOCATION., Hey guys bought a new car the other day. 2008 Pontiac G6 SE 2.4. Car runs and drives great. About 2 days after having the car my check enogine light came on and my temp gauge was not working. I headed to my mechanics shop and on the way there it started to work till I hit a bump. We found out that there was a bad connection on the butt ..., The average price of a 2009 Pontiac G6 check engine light can vary depending on location. Get a free detailed estimate for a check engine light in your area from KBB.com. Car Values. , A check engine light can indicate a broad spectrum of problems with your 2006 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ..., 2008 Pontiac G6 GT 3.9L V6 Convertible (2 Door) Plug minor coolant leaks. Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it. 2007 Pontiac G6 3.5L V6. Replace brights. On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!, The video above shows how to locate the on board diagnostics OBD plug location on your 2008 G6, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your G6. Is it OK to drive with a check engine light on? Intermittent Check Engine Light: If the check engine light on your 2008 G6 is not steady, try ..., May 6, 2018 · I find the biggest problem with GM traction control is with the yaw sensor and the steering angle sensor. When the yaw sensor goes the vehicle will lock up the brake of the freewheeling side when turning hard to the left or right . when the steering sensor goes the steering wheel shudders when... - Pontiac G6 , I have a 2008 G6 w/2.4L 4-cyl engine. At 7700 miles the check engine light came on. At the dealer they said the Evaporative Emission Canister was leaking. They …, Nov 3, 2015 · pontiac g6 is easy no tools needed or obd! turn key from off to on twice on second time leave in on position. car will ding the codes! like ding, d,d , d pause d,d,d,d,d,d,. thats four dings pause then 6.. code 46 anti theft system key no recongnizd. 44 is o2 censor ect.. , The most common symptom of a P0128 trouble code in a Pontiac G6 is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Pontiac G6 is the lack of heat. When the thermostat doesn’t bring the ..., The average price of a 2009 Pontiac G6 check engine light can vary depending on location. Get a free detailed estimate for a check engine light in your area from KBB.com. Car Values.