O2 Sensor 1/1 Circuit Performance
Table of contents
P2A00 DODGE Possible Causes
- Faulty front O2 Sensor 1
- Exhaust leak
- Intake air leaks
- Faulty Mass Air Flow (MAF) sensor
- Fuel pressure
- Fuel injector
How do I fix code P2A00 DODGE?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P2A00 DODGE code
The cost of diagnosing the P2A00 DODGE code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
The ECM will set the P2A00 code if it detects that the actual O2 measurements does not match the expected value.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P2A00 DODGE Description
The engine aftertreatment system monitors the O2 content in the diesel engine exhaust. The Engine Control Module (ECM) monitors the exhaust gases for oxygen content and varies the rich.lean fuel mixture of the intake air fuel mixture to adjust the system. This diagnostic checks to make sure that the o2 content matches the expected O2 for the engine operating conditions.