P2197 ford

How to fix P2197 engine code: O2 Sensor Signal Biased/Stuck Lean (Bank 2, Sensor 1)A P2197 Code is set when the Bank-2 Sensor-1 upstream oxygen sensor report...

Apr 29, 2021 · P2197 is a general DTC code that indicates that the signal coming from your Ford Escape’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline). When will things turn around for Ford stock? There's no sign of improvement anytime in the future, and Wall Street is getting restless. There's too much debt and too many problems ...Nothing to lose sleep over, but something to be mindful of. 2004 - 2008 Ford F150 - P2197/p2197 - Got my money pit running after new timing, fuel pump, fuel lines, FPDM, plugs, injectors & Throttle Body removed and cleaned/serviced...however, now I get the above listed codes. Truck does not drive more than a few feet before stalling.To fix the p2195 fault code, check the possible causes and inspect the related wiring harness and connectors for any damage or corrosion. To fix the automobile fault code p2195, you need to check the possible causes listed above. Visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, …Check the fuel pressure and fuel system for proper operation. Inspect the exhaust system for leaks or damage. Perform a smoke test to check for vacuum leaks. By performing these advanced diagnostics, you can identify the root cause of the P2197 O2 Sensor Signal Bias and take appropriate action to fix it.OBD-II Code P2197 is defined as a O2 Sensor Signal Biased/Stuck Lean. The Oxygen Sensor (or Air/Fuel Ratio Sensor) tells the engine control module how much oxygen is in the exhaust stream between the engine and the Catalytic Converter. The Oxygen Sensor's signal is supposed to fluctuate a minimum of 10 times per second within a specified range. Fixing a p2195 p2197 p0171 p0174 code on a Ford expedition 2004. Fixing a p2195 p2197 p0171 p0174 code on a Ford expedition 2004.

3 Dec 2022 ... CODE P2196 P2197 O2 SENSOR SIGNAL BIASED STUCK RICH FORD -MAX FORD FUSION LINCOLN MKZ. Electrical Car Repair LIVE•20K views · 16:05 · Go to ...Apr 30, 2021 · P2197 is a general DTC code that indicates that the signal coming from your Ford Crown Victoria’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline). In this video we show you another common cause for lean codes on the Ford 5.4L 3v Triton Engines.#ford #fordf150 #automotive #automotiverepair Forscan is a f...Ford Motor Company’s A plan pricing is for active full-time Ford employees and their immediate family members, while the Z plan is for retired full-time employees and their immedia...The fault code P2197 indicates a problem with the oxygen sensor in the engine’s air-fuel ratio. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this fault code varies between $75 and $150 per hour, depending on the auto repair shop. The cost may also vary depending on the severity of the problem and the type of ...How to fix P2197 engine code: O2 Sensor Signal Biased/Stuck Lean (Bank 2, Sensor 1)A P2197 Code is set when the Bank-2 Sensor-1 upstream oxygen sensor report...O2 sensor data is used by the PCM to calculate fuel delivery and ignition timing, as well as other engine drivability functions. If the upstream O2 sensor circuit fails to cycle as expected or inputs an improbable signal to the PCM, a code P2197 will be stored and a malfunction indicator lamp may be illuminated.7 posts · Joined 2020. #1 · Mar 7, 2020. Hello everyone, as the title states I am having issues with a P2197 O2 sensor code that indicated my O2 sensor in Bank 2 sensor 1 is stuck lean. I have since replaced 2 O2 sensors hoping that would fix the issue. Unfortunately the code is still being thrown. The first sensor I replaced it with was made ...

7 posts · Joined 2020. #1 · Mar 7, 2020. Hello everyone, as the title states I am having issues with a P2197 O2 sensor code that indicated my O2 sensor in Bank 2 sensor 1 is stuck lean. I have since replaced 2 O2 sensors hoping that would fix the issue. Unfortunately the code is still being thrown. The first sensor I replaced it with was made ...Causas del código DTC P2198 Ford. Se pueden encontrar numerosas razones para la presencia de un código DTC P2198 Ford en un auto. Puede haber varias causas, como: Sensor de oxígeno calentado delantero defectuoso en el banco 2; Sensor de oxígeno calentado delantero del banco 2 con arnés abierto o en cortocircuitoP2197 is a general DTC code that indicates that the signal coming from your Ford Fusion’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline).Engine light on with codes. Have a 2003 Ford Escape 3.0. Engine light on with codes P2195, P2197, P0172, P0174, P0175. No vacuum leaks can be found as they smoke tested it. When you come to a stop light only with ac on high it acts like it wants to die. Ford Mechanic: Chris (aka- Moose) Are you needing the diag steps for these codes?Smoke ... El código P2197 puede causar graves daños internos en el motor. Este código suele ser una molestia menor, pero puede causar algunos problemas costosos dependiendo de la fuente de la falla. Si no se corrige pronto, puede causar algunos daños importantes en el motor. When the P2195 trouble code is set, it indicates the car’s oxygen sensor in bank 1 is not operating within a normal range. Most vehicles contain a parameter of ten cycles per second as a minimum. If the oxygen sensor isn’t operating to this standard, it’s considered to be running lean. This sensor can also be called the air/fuel ratio ...

Hatboro standoff.

This code refers to the bank 2 cylinders running very very lean. On a Ford V6 , these will be the cylinders 4-5-6. Here is an article that I wrote to help people with these types of issues, P0171 is bank 1 lean and P0174 bank 2 lean, the P2197 is just a manufacturer code for the same issue, sometimes you get both. Thank you for the …Ford Edge and Lincoln MKX use the same engines in their vehicles so the procedure will be the same. We demonstrated how to fix code p2197 on 3.5 v6 engine …P2197 is a general DTC code that indicates that the signal coming from your Ford Ranger’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline).This code indicates that the engine could be running lean or that there is a fault in the A/F O2 sensor. What Are the Symptoms of Code P2197? Check engine light. Low engine power. Engine misfires. Engine running rough. Engine overheating. What Is the Cause of Code P2197? Frayed oxygen sensor circuit wiring/connectors.

p2197 and p2195. - O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1 and Bank 2 Sensor 1) When I start it up I get a choppy idle (almost stalling). ... A forum community dedicated to Ford Mustang owners and enthusiasts. Come join the discussion about performance, horsepower, modifications, troubleshooting, racing, and more!2004 - 2008 Ford F150 - Awful Idle Then Dies - Running Too Lean With Codes P2195 & P2197 - My truck is running awful! This came out of no where. The RPMs jump all over and will not smoothly idle. It grumples and idles like it's aftermarket cammed (which it is not.) It will run (barely) for a bit and then it dies. I'm...Apr 20, 2021 · This 2014 Ford F-15p equipped with the 3.7L flex fuel engine came to the shop with a customer complaint of an illuminated check engine light and stored codes... P2197 Ford Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis.P2197 is a general DTC code that indicates that the signal coming from your Ford Flex’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline).Posted August 25, 2013. Reply to this topic... Hello, I have my check engine light on, and getting terrible MPG. I get DTC codes P0059 and P2197. It states that the o2 sensor bank 2 sensor 1 is essentially "not working". Do I need to replace one or more O2 sensors? If so, which on on the 3.5L V6? Also, if so, wht is the Ford Motorcraft part n...Mar 24, 2018 · 2004 f150 5.4—— p2195—-p2197. Hello, my name is ***** ***** I'm here to help get your problem solved. These codes indicate a vacuum leak. The most common cause is the PCV hose or valve itself. Check to see if the PCV hose is leaking or leaking PCV elbow. If both are good replace PCV with one rom dealership, if elbow seems loose then also ... Aug 16, 2013 · #p2195 #vacuumleak #p2197 #p0171 #p0174Howdy! This video shows you how I solved and repaired this code combination. Turns out the PCV breather hose that goes... P2198 is a diagnostic trouble code (DTC) for "O2 Sensor Signal Stuck Rich Bank 2 Sensor 1". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154 ...ford explorer: 2003 ford explorer 4.0 v6 put head gasket on. reset 2003 ford explorer 4.0 v6 put head gasket on. reset timing numerous times throwing codes p2195 p2197 p0300 p0302 runs rough at idle anything above idle …2004 - 2008 Ford F150 - Awful Idle Then Dies - Running Too Lean With Codes P2195 & P2197 - My truck is running awful! This came out of no where. The RPMs jump all over and will not smoothly idle. It grumples and idles like it's aftermarket cammed (which it is not.) It will run (barely) for a bit and then it dies. I'm...

=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P2195 Saving Repair Parts...

April 29, 2021 by Jason. P2197 is a general DTC code that indicates that the signal coming from your Ford F150’s first O2 sensor on the bank two side of the engine is stuck giving …Different Ford vehicles require different types of color-coded coolant, with at least four different coolant types in use in Ford vehicles as of 2016. The best way to determine the...Experience: Ask Your Own Ford Question. In most cases the codes P2195 and P2197 are not set due to bad HO2S sensors but instead its either a engine vacuum leak or in some cases a failed MAF (mass air flow) sensor. If you are hearing a hissing noise, you very likely have a vacuum leak.CODE P2196 P2197 O2 SENSOR SIGNAL BIASED STUCK RICH FORD -MAX FORD FUSION LINCOLN MKZIf you have Ford C-MAX, Ford Fusion, Lincoln MKZ and have check engine l...Whether you already own a Ford vehicle or you want to be a Ford owner, you can find a Ford dealer near you to purchase a car or get service for the one you own. Use these tips to f...1 / 1. 1997-2006 Expedition & Navigator - Help P2197 Fix!!!! - Hello, did a tune-up on my 2004 Lincoln Navigator, and found oil in a few of the wells for the spark plugs. Had a friend come over to change out the gasket and o-rings. After replacing them the vehicle started running very rough.2007 - 2014 Expedition & Navigator - Fault Codes P2197 AND P2198 together - 2197 is O2 Sensor Signal Stuck Lean bank2 Sensor1, 2198 is O2 Sensor Stuck Rich bank2 sensor1....both occur when code is thrown. ... Cat. My Ford guy was kind enough to get the Cat covered for me. Combustion leak: Truck has been serviced at …A heated oxygen sensor (HO2S) indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time. P2196 Ford Code - Oxygen Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1.Clean air is important both for the engine in your F350 and for the passengers inside the truck. The Ford F350 is equipped with a cabin air filter that cleans the dust and particle...

Inmate search asheville nc.

Delta e175.

P2197 is a general DTC code that indicates that the signal coming from your Ford Fusion’s first O2 sensor on the bank two side of the engine is stuck giving off a …3.8 & 4.2L V6 - 2004 4.2L P2195 P2197 codes - Friends 2004 4.2L V6 F150's CEL came on just this morning. Pulled the codes and got P2195 and P2197 which I believe is 02 lean both banks. He's got about 66K miles on it. Any ideas on what to look at?P2197 is the code for Bank 2 O2 sensor #1, low voltage, stuck lean. Reply Like. # 3. 12-18-2012, 08:20 PM. lay4900. New User.Code P2197 on a Ford vehicle is typically related to a lean condition in the engine. To diagnose and fix this issue, start by checking for any vacuum leaks, …To diagnose the P2197 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.2004 - 2008 Ford F150 - Awful Idle Then Dies - Running Too Lean With Codes P2195 & P2197 - My truck is running awful! This came out of no where. The RPMs jump all over and will not smoothly idle. It grumples and idles like it's aftermarket cammed (which it is not.) It will run (barely) for a bit and then it dies. I'm...P2195 is a general OBD2 code that indicates that the signal coming from your Ford F150’s 1’st O2 sensor on Bank 1 Sensor 1 is stuck lean. DTC P2195 is a general code, which means that it has the same meaning for any make, model, or year. It is most typically caused by a bad O2 sensor, but there can A LOT of issues that can cause this code.P2195 is a general OBD2 code that indicates that the signal coming from your Ford F150’s 1’st O2 sensor on Bank 1 Sensor 1 is stuck lean. DTC P2195 is a general code, which means that it has the same meaning for any make, model, or year. It is most typically caused by a bad O2 sensor, but there can A LOT of issues that can cause this code. ….

P2197 is a general DTC code that indicates that the signal coming from your Ford Econoline’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline).Received 64 Likes on 37 Posts. UPDATED: Check Engline Light- Codes P2195 and P2197-Fixed. Vehicle: 2022 F250, 6.2L, Lariat, 9,800 miles. Vehicle is OEM, Problem: Truck losing power and lurching. I managed to limp the truck home. The check engine light is on and provide me the P2195 and P2197 codes. I did get gas yesterday in the truck (10 gallons).P2197 is a general DTC code that indicates that the signal coming from your Ford Expedition ‘s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline).Foutcode P2197 – O2-sensorsignaal blijft mager (Bank 2, Sensor 1) ... Foutcode P2197 klinkt als “O2-sensorsignaal ... Hier is een lijst van enkele van hen: Ford ...New Member. So I have a 2020 Ford Expedition. Had a check engine light come on last year, diagnostics showed catalytic converter problem that Ford is very aware of. Unfortunately, they did not replace it, because Ford had just issued a statement that a new "fix" was some engine drive train test. It did "fix" it, but now the light just came on ...Ford. Issue: Some 2015-2017 Explorer and 2015-2016 F-150 vehicles, equipped with 3.5L Gasoline Turbocharged Direct Injection (GTDI) engines may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P2195, P2197, P2626 and/or P2629 stored in powertrain control module (PCM) memory. Action: Follow the Service Procedure steps to correct ...P2197 code definition. O2 Sensor Signal Stuck Lean Bank 2 Sensor 1. What the P2197 code means. This code is usually an indicator of an O2 (oxygen) sensor problem, although there are several things that can cause an O2 sensor to fail. The most common is a vacuum leak in the intake manifold on bank 2, in the case of this code.April 23, 2021 by Jason. P2195 is a general OBD2 code that indicates that the signal coming from your Ford Edge’s 1’st O2 sensor on Bank 1 Sensor 1 is stuck lean. DTC P2195 is a general code, which means that it has the same meaning for any make, model, or year. It is most typically caused by a bad O2 sensor, but there can A LOT of issues ...CODE P2197 O2 SENSOR SIGNAL STUCK BIASED LEAN BANK 2 SENSOR 1 FORD EDGE LINCOLN MKXIn this video we will show you how to fix code P2197 Sensor Signal Biased ...I have a 2006 Ford E450 10 cyl 6.8 code P2197 Lack of Ho2S21 (Heated Exhaust Oxygen Sensor left Upstream). We changed - Answered by a verified Technician ... 2006 FORD e450 BOX TRUCK, 16 FT.BOX, 6.8 GAS, 142,581 MILES,NO FUEL TO ENGINE, FULL TANK, NEW NEW FUEL PUMP INSTALLED 2 DAYS AGO AND NEW … P2197 ford, Jul 19, 2019 · FORD EDGE CODE P2197 OXYGEN SENSOR BANK 2 SENSOR 1In this video will show you how to fix code P2197 on Ford Edge. Code P2197 Oxygen Sensor Biased Stuck Lean ... , P2197 is the code for Bank 2 O2 sensor #1, low voltage, stuck lean. Reply Like. # 3. 12-18-2012, 08:20 PM. lay4900. New User., Success story, Check Engine Light, P2197. 2009 F150 with the 4.6l (code W) V8 engine, 4WD, Auto trans. 26,000 miles on it. The check engine light came on last week and I'm not the type that likes to take a vehicle to the dealer. So I bought a code reader (about $100 at Autozone) and read out the code., Fixing a p2195 p2197 p0171 p0174 code on a Ford expedition 2004. Fixing a p2195 p2197 p0171 p0174 code on a Ford expedition 2004., P2197 is the code for Bank 2 O2 sensor #1, low voltage, stuck lean. Reply Like. # 3. 12-18-2012, 08:20 PM. lay4900. New User., Jun 14, 2020 · To diagnose the P2197 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. , Vídeo explicativo sobre el CÓDIGO DE FALLA P2197. Descubre qué significa, por qué ocurre y cómo solucionarlo correctamente.LEER SOLUCIÓN DEL CÓDIGO OBD2 EN..., 7 posts · Joined 2020. #1 · Mar 7, 2020. Hello everyone, as the title states I am having issues with a P2197 O2 sensor code that indicated my O2 sensor in Bank 2 sensor 1 is stuck lean. I have since replaced 2 O2 sensors hoping that would fix the issue. Unfortunately the code is still being thrown. The first sensor I replaced it with was made ..., In this video we show you another common cause for lean codes on the Ford 5.4L 3v Triton Engines.#ford #fordf150 #automotive #automotiverepair Forscan is a f... , El código P2197 puede causar graves daños internos en el motor. Este código suele ser una molestia menor, pero puede causar algunos problemas costosos dependiendo de la fuente de la falla. Si no se corrige pronto, puede causar algunos daños importantes en el motor., Code P2197 on a Ford vehicle is typically related to a lean condition in the engine. To diagnose and fix this issue, start by checking for any vacuum leaks, …, FIX CODE P2197 O2 SENSOR SIGNAL STUCK BIASED LEAN BANK 2 SENSOR 1In this video we will explain what causes code P2197 Sensor Signal Biased Stuck Lean Bank 2 ..., In this video we show you another common cause for lean codes on the Ford 5.4L 3v Triton Engines.#ford #fordf150 #automotive #automotiverepair Forscan is a f... , Going it alone is no longer an option. Car companies are struggling go it alone in the autonomous age. As the costs and experience needed to develop self-driving vehicles come into..., ON - DIAGNOSTIC TROUBLE CODES (DTC) P2195. AND OR P2197. FORD: 2009-2010 F-150. This article supersedes TSB 10-6-5 to update the Service Procedure and Service Labor Time Standards. ISSUE. Some 2009-2010 F-150 vehicles equipped with 4.6L 3V and 5.4L 3V engines only, built at Dearborn Truck Plant (DTP) on or before 1/31/2010 …, Nothing to lose sleep over, but something to be mindful of. 2004 - 2008 Ford F150 - P2197/p2197 - Got my money pit running after new timing, fuel pump, fuel lines, FPDM, plugs, injectors & Throttle Body removed and cleaned/serviced...however, now I get the above listed codes. Truck does not drive more than a few feet before stalling., CODE P2196 P2197 O2 SENSOR SIGNAL BIASED STUCK RICH FORD -MAX FORD FUSION LINCOLN MKZIf you have Ford C-MAX, Ford Fusion, Lincoln MKZ and have check engine l..., In this video we show you another common cause for lean codes on the Ford 5.4L 3v Triton Engines.#ford #fordf150 #automotive #automotiverepair Forscan is a f..., To diagnose the P2240 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., P2197 is a general DTC code that indicates that the signal coming from your Ford Ranger’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline)., CODE P2196 P2197 O2 SENSOR SIGNAL BIASED STUCK RICH FORD -MAX FORD FUSION LINCOLN MKZIf you have Ford C-MAX, Ford Fusion, Lincoln MKZ and have check engine l..., ford explorer: 2003 ford explorer 4.0 v6 put head gasket on. reset 2003 ford explorer 4.0 v6 put head gasket on. reset timing numerous times throwing codes p2195 p2197 p0300 p0302 runs rough at idle anything above idle …, 2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 engine, Ford Explorer P2195 Causes + Diagnosis. April 23, 2021 by Jason. P2195 is a general OBD2 code that indicates that the signal coming from your Ford Explorer’s 1’st O2 sensor on Bank 1 Sensor 1 is stuck lean. DTC P2195 is a general code, which means that it has the same meaning for any make, model, or year. It is most typically caused by …, 1 / 1. Forum Jump. 1997-2006 Expedition & Navigator - 4 codes P0171 P0174 P2195 P2197 - I have 4 codes on my 2003 Navi. After searching through my engine I found this vacuum line off. Only problem is I cannot find where it goes. I taped it to keep dirt out of it. I took pics and can email them., This code refers to the bank 2 cylinders running very very lean. On a Ford V6 , these will be the cylinders 4-5-6. Here is an article that I wrote to help people with these types of issues, P0171 is bank 1 lean and P0174 bank 2 lean, the P2197 is just a manufacturer code for the same issue, sometimes you get both. Thank you for the …, April 23, 2021 by Jason. P2195 is a general OBD2 code that indicates that the signal coming from your Ford F250’s 1’st O2 sensor on Bank 1 Sensor 1 is stuck lean. DTC P2195 is a general code, which means that it has the same meaning for any make, model, or year. It is most typically caused by a bad O2 sensor, but there can A LOT of issues ..., P2197 is a general DTC code that indicates that the signal coming from your Ford Freestyle’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline)., P2197 is a general DTC code that indicates that the signal coming from your Ford Econoline’s first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline)., Jun 14, 2020 · To diagnose the P2197 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. , The codes 2195 and 2197 are both lean codes as well as the 0171 and the 0174. The most common cause for all the lean codes is as you suspect, a leanking vacuum line and on the 3.9 its usuall the PCV supply line. Start with taking a good look at the PCV supply line. I suspect its broken and or rotted out., Fixing a p2195 p2197 p0171 p0174 code on a Ford expedition 2004. Fixing a p2195 p2197 p0171 p0174 code on a Ford expedition 2004., P2197 is a general DTC code that indicates that the signal coming from the first O2 sensor on the bank two side of the engine is stuck giving off a lean signal. The voltage reading from a normal oxygen sensor should look something like a heartbeat, whereas with P2197 the voltage looks like a low voltage flatline).