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Oxygen Sensor - 4-Wire, Heated
Part Number: USOS-4000
0 Reviews
Vehicle Info Required to Guarantee Fit
$22.99
Vehicle Fitment
  • 2004 Dodge Stratus All Submodels All Engines
Product Details
Location : After Catalytic ConverterNotes : Heated; Designed to fit screw-in type bungs; May not fit with flanges; Includes Butt type connectors, without plugType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor - 4-Wire, Heated
Part Number: USOS-4000
0 Reviews
Vehicle Info Required to Guarantee Fit
$22.99
Vehicle Fitment
  • 2000 Dodge Durango All Submodels All Engines
  • 2000 - 2001 Dodge Dakota All Submodels All Engines
  • 2001 - 2002 Dodge Neon All Submodels All Engines
  • 2001 - 2005 Dodge Stratus All Submodels All Engines
Product Details
Location : Before Catalytic ConverterNotes : Heated; Designed to fit screw-in type bungs; May not fit with flanges; Includes Butt type connectors, without plugType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor - 4-Wire, Heated
Part Number: USOS-4000
0 Reviews
Vehicle Info Required to Guarantee Fit
$22.99
Vehicle Fitment
  • 1990 - 1993 Dodge Ram 50 All Submodels All Engines
  • 1991 - 1996 Dodge Stealth All Submodels All Engines
  • 1993 - 1994 Dodge Colt All Submodels All Engines
  • 2000 Dodge Neon All Submodels All Engines Without Ultra-Low Emissions
  • 2001 - 2002 Dodge Durango All Submodels All Engines
  • 2002 Dodge Dakota All Submodels All Engines
  • 2002 Dodge Ram 1500 All Submodels All Engines 1/2 Ton, New Body Style
  • 2005 - 2007 Dodge Caravan All Submodels All Engines
  • 2005 - 2010 Dodge Grand Caravan All Submodels All Engines
  • 2007 - 2008 Dodge Sprinter 2500 All Submodels All Engines
  • 2007 - 2008 Dodge Sprinter 3500 All Submodels All Engines
  • 2007 - 2010 Dodge Caliber All Submodels All Engines
  • 2008 - 2010 Dodge Avenger All Submodels All Engines
  • 2009 - 2010 Dodge Journey All Submodels All Engines
Product Details
Notes : Heated; Designed to fit screw-in type bungs; May not fit with flanges; Includes Butt type connectors, without plugType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 2
Part Number: SET-USOS-4000-2
0 Reviews
Vehicle Info Required to Guarantee Fit
$43.99
Vehicle Fitment
  • 1991 - 1993 Dodge Stealth ES 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth Base 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth R/T Turbo 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth R/T 6 Cyl 3.0L
  • 1993 Dodge Ram 50 Base 4 Cyl 2.4L
  • 1993 Dodge Ram 50 SE 4 Cyl 2.4L
  • 2000 Dodge Durango All Submodels All Engines
  • 2000 - 2001 Dodge Dakota All Submodels All Engines
  • 2001 - 2005 Dodge Stratus All Submodels All Engines
Product Details
Location : Before Catalytic ConverterNotes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 2
Part Number: SET-USOS-4000-2
0 Reviews
Vehicle Info Required to Guarantee Fit
$43.99
Vehicle Fitment
  • 1990 - 1991 Dodge Ram 50 All Submodels All Engines
  • 1993 - 1994 Dodge Colt All Submodels All Engines
  • 2001 - 2002 Dodge Durango All Submodels All Engines
  • 2002 Dodge Dakota All Submodels All Engines
  • 2002 Dodge Ram 1500 All Submodels All Engines 1/2 Ton, New Body Style
  • 2005 - 2007 Dodge Caravan All Submodels All Engines
  • 2005 - 2010 Dodge Grand Caravan All Submodels All Engines
  • 2007 - 2008 Dodge Sprinter 2500 All Submodels All Engines
  • 2007 - 2008 Dodge Sprinter 3500 All Submodels All Engines
  • 2007 - 2010 Dodge Caliber All Submodels All Engines
  • 2008 - 2010 Dodge Avenger All Submodels All Engines
  • 2009 - 2010 Dodge Journey All Submodels All Engines
Product Details
Notes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 2
Part Number: SET-USOS-4000-2
0 Reviews
Vehicle Info Required to Guarantee Fit
$43.99
Vehicle Fitment
  • 2004 Dodge Stratus All Submodels All Engines
Product Details
Location : After Catalytic ConverterNotes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 3
Part Number: SET-USOS-4000-3
0 Reviews
Vehicle Info Required to Guarantee Fit
$65.99
Vehicle Fitment
  • 1991 - 1993 Dodge Stealth ES 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth Base 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth R/T Turbo 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth R/T 6 Cyl 3.0L
  • 1993 Dodge Ram 50 Base 4 Cyl 2.4L
  • 1993 Dodge Ram 50 SE 4 Cyl 2.4L
  • 2000 Dodge Durango All Submodels All Engines
  • 2000 - 2001 Dodge Dakota All Submodels All Engines
  • 2001 - 2005 Dodge Stratus All Submodels All Engines
Product Details
Location : Before Catalytic ConverterNotes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (3) Oxygen SensorsType : 4-wireQuantity Sold : Set of 3Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 3
Part Number: SET-USOS-4000-3
0 Reviews
Vehicle Info Required to Guarantee Fit
$65.99
Vehicle Fitment
  • 1990 - 1991 Dodge Ram 50 All Submodels All Engines
  • 1993 - 1994 Dodge Colt All Submodels All Engines
  • 2001 - 2002 Dodge Durango All Submodels All Engines
  • 2002 Dodge Dakota All Submodels All Engines
  • 2002 Dodge Ram 1500 All Submodels All Engines 1/2 Ton, New Body Style
  • 2005 - 2007 Dodge Caravan All Submodels All Engines
  • 2005 - 2010 Dodge Grand Caravan All Submodels All Engines
  • 2007 - 2008 Dodge Sprinter 2500 All Submodels All Engines
  • 2007 - 2008 Dodge Sprinter 3500 All Submodels All Engines
  • 2007 - 2010 Dodge Caliber All Submodels All Engines
  • 2008 - 2010 Dodge Avenger All Submodels All Engines
  • 2009 - 2010 Dodge Journey All Submodels All Engines
Product Details
Notes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (3) Oxygen SensorsType : 4-wireQuantity Sold : Set of 3Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 3
Part Number: SET-USOS-4000-3
0 Reviews
Vehicle Info Required to Guarantee Fit
$65.99
Vehicle Fitment
  • 2004 Dodge Stratus All Submodels All Engines
Product Details
Location : After Catalytic ConverterNotes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (3) Oxygen SensorsType : 4-wireQuantity Sold : Set of 3Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 4
Part Number: SET-USOS-4000-4
0 Reviews
Vehicle Info Required to Guarantee Fit
$87.49
Vehicle Fitment
  • 2004 Dodge Stratus All Submodels All Engines
Product Details
Location : After Catalytic ConverterNotes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 4
Part Number: SET-USOS-4000-4
0 Reviews
Vehicle Info Required to Guarantee Fit
$87.49
Vehicle Fitment
  • 2000 Dodge Durango All Submodels All Engines
  • 2000 - 2001 Dodge Dakota All Submodels All Engines
  • 2001 - 2005 Dodge Stratus All Submodels All Engines
Product Details
Location : Before Catalytic ConverterNotes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 4
Part Number: SET-USOS-4000-4
0 Reviews
Vehicle Info Required to Guarantee Fit
$87.49
Vehicle Fitment
  • 1990 - 1991 Dodge Ram 50 All Submodels All Engines
  • 1993 - 1994 Dodge Colt All Submodels All Engines
  • 2001 - 2002 Dodge Durango All Submodels All Engines
  • 2002 Dodge Dakota All Submodels All Engines
  • 2002 Dodge Ram 1500 All Submodels All Engines 1/2 Ton, New Body Style
  • 2005 - 2007 Dodge Caravan All Submodels All Engines
  • 2005 - 2010 Dodge Grand Caravan All Submodels All Engines
  • 2007 - 2008 Dodge Sprinter 2500 All Submodels All Engines
  • 2007 - 2008 Dodge Sprinter 3500 All Submodels All Engines
  • 2007 - 2010 Dodge Caliber All Submodels All Engines
  • 2008 - 2010 Dodge Avenger All Submodels All Engines
  • 2009 - 2010 Dodge Journey All Submodels All Engines
Product Details
Notes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 4
Part Number: SET-USOS-4000-4
0 Reviews
Vehicle Info Required to Guarantee Fit
$87.49
Vehicle Fitment
  • 1991 - 1993 Dodge Stealth ES 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth Base 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth R/T Turbo 6 Cyl 3.0L
  • 1991 - 1994 Dodge Stealth R/T 6 Cyl 3.0L
  • 1993 Dodge Ram 50 Base 4 Cyl 2.4L
  • 1993 Dodge Ram 50 SE 4 Cyl 2.4L
Product Details
Location : Before And After Catalytic ConverterNotes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15733, SG300Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor - 3-Wire, Heated
Part Number: USOS-3000
0 Reviews
Vehicle Info Required to Guarantee Fit
$27.99
Vehicle Fitment
  • 1979 - 1982 Dodge Omni 024 4 Cyl 1.7L
  • 1981 - 1982 Dodge Omni 024 4 Cyl 2.2L
Product Details
Notes : Heated; Includes Butt type connectors, without plugType : 3-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : UniversalWire Length : 6.69 in. Wire LengthMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15726, AFS21Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor - 5-Wire, Wideband Sensor
Part Number: REPM960923
0 Reviews
Vehicle Info Required to Guarantee Fit
$57.99
Vehicle Fitment
  • 2007 - 2008 Dodge Sprinter 2500 Base 6 Cyl 3.5L
  • 2007 - 2008 Dodge Sprinter 3500 Base 6 Cyl 3.5L
Product Details
Location : Before Catalytic Converter, Passenger SideNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25025043Connector Gender : Male ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 75 | Showing 1 - 15 of 1123 results

Dodge Oxygen Sensor Customer Reviews

I usually purchase my parts from here because the price is good and I get it fast! Thanks,
Allen Arjang
VERIFIED PURCHASER
Purchased on Mar 11, 2021
They are sending me 2 more right away after I mentioned two were missing from the package.
Gus Tsoucalas
VERIFIED PURCHASER
Purchased on Nov 20, 2020
I like the faster shipping
carlos ruben
VERIFIED PURCHASER
Purchased on Oct 20, 2020

Dodge Oxygen Sensor Guides

Your Dodge oxygen sensor is a smartly engineered automotive device, serving to both monitor the combustion system, helping the main computer of your vehicle to keep that system functioning at its most efficient, and to help control the amount of pollutants released into the air as a result of the fuel burning that is essential to the ability of the internal combustion engine to produce power. You'll find your Dodge oxygen sensor in the exhaust system of your vehicle, and as suggested by its name, it measures the amount of oxygen remaining in the exhaust fumes after they exit the combustion system. If there is too much or too little oxygen, the Dodge oxygen sensor relays that data to the main computer, which then adjusts the air-to-fuel ratio in an effort to achieve the most efficient balance possible. When the air-to-fuel ratio is off, not only is your vehicle not going to be running at its best or most efficient, running the risk of damaging parts within the combustion system and exhaust system, but it will also be unnecessarily adding more pollutants to the air that we all breathe. Poor engine performance and reduced fuel mileage are a couple signs that your Dodge oxygen sensor may be starting to falter. When your Dodge oxygen sensor has begun to malfunction, it is best to attend to it promptly, as it can place your catalytic converter at risk of failing long before its time, overwhelmed by heavy exhaust gasses. Our online catalog features a broad array of aftermarket parts and accessories, and you'll find wide selection of Dodge oxygen sensor replacements, a selection that covers many years and models, making it just about sure that you'll find the correct version for your specific vehicle. The Dodge oxygen sensor you receive from us, like all of our parts and accessories, will be a well-manufactured and affordable part, and you can count on it to provide the same reliable service as the original part did. Ordering your Dodge oxygen sensor will be safe and simple, whether you use our secure site or dial our toll-free telephone number.

Advantages of Installing a New Dodge Oxygen Sensor

Your vehicle's oxygen sensor is responsible for helping the engine run efficiently with as little emissions as possible. Although it is a small component in your vehicle, it is tough and is usually made from high-quality stainless steel. This feature makes it function directly in high temperature, high pressure, and high polluted gases. It has a high resistance to corrosion, and it can be used in aggressive, harsh environments. Given all these, it is important that you keep your Dodge oxygen sensor always in good shape. When it wears out, you need to replace it with a new one. Here are a few benefits why you should buy a new part immediately:

Low fuel consumption

Having a new oxygen sensor enables your vehicle to enjoy fuel economy and precision fuel control. On top of that, it ensures low emissions. For vehicles with old engines, the fuel or air mixtures do not respond as quickly as a fuel-injected car. For vehicles with newer engines, on the other hand, there is a quick response coming from the oxygen sensor due to the faster fuel and air mixture changes. Your savings from fuel efficiency can give you enough money to pay for the sensor replacement.

Better engine performance

Another advantage of installing a new Dodge oxygen sensor is that it can help the combustible engine to function better. Aside from having better fuel efficiency and less pollution, it can also improve the overall performance of your vehicle. However, if a bad oxygen sensor is not replaced, then expect long-term effects, which include damaging the engine, and these can sure cost you a large amount of money.

Less air pollution

Having a new oxygen sensor not only keeps your car working properly, but it also saves the environment. With a functioning sensor, it can perform its job to check the level of oxygen in the exhaust and determine the appropriate fuel/air mixture. Thus, it helps reduce the amount of discharge in the process. The sensor is usually set on the exhaust manifold downpipe between the catalytic converter and exhaust manifold or just before the catalytic converter. When it is functioning properly, the sensor produces a voltage signal that is proportional to the oxygen inside the exhaust.

Safe and legal

With a new oxygen sensor in place, you will not have to worry about passing the emissions test whenever you renew your license. This part has a great impact to your emissions that's why it is important that you keep it in good condition at all times. You don't have to bother thinking whether you will get flagged for smoke-belching if you have a working oxygen sensor.

Other advantages

If you regularly replace your oxygen sensor same as your other car components, you are helping your vehicle to do more than what's expected. Neglecting repairs and parts that are due for replacement can greatly affect your driving experience. It is important that you know when to replace your Dodge oxygen sensor with a new one so you can always enjoy a smooth and eco-friendly ride.

Helpful Automotive Resources

P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3Bank 1 is the side of the engine where the #1 cylinder is located. P0042 code is set when your car’s PCM determines a potential problem with the heater element circuit of the oxygen sensor.
P0170 Code: Fuel Trim (Bank 1)
P0170 Code: Fuel Trim (Bank 1)The stoichiometric mixture best suited for burning is 14.7 parts air to 1 part fuel. If the mixture contains excessive amounts of air, the PCM will add more fuel to balance out the lean mixture. Conversely, too much fuel leads to a rich mixture, and the computer compensates accordingly.
P2187 Code: System too Lean at Idle (Bank 1)
P2187 Code: System too Lean at Idle (Bank 1)The term “bank 1” only applies in vehicles with V-engine and flat layouts. It refers to the side where the number 1 cylinder is located. Note that there is only one bank if your car has a straight engine.  The term “bank 1” only applies in vehicles with V-engine and
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