P2190
System Too Rich at Idle Bank 2
P2190 is an OBD-II diagnostic trouble code meaning: System Too Rich at Idle Bank 2. Common causes: malfunction of the oxygen sensor (lambda probe) bank 2, dirty or faulty fuel injectors. Estimated repair cost: $17–89.
Symptoms
- Increased fuel consumption
- Unstable engine idling
- Black smoke from the exhaust pipe
- Loss of engine power
- Smell of gasoline from the exhaust system
Causes
- Malfunction of the oxygen sensor (lambda probe) bank 2
- Dirty or faulty fuel injectors
- Increased pressure in the fuel rail
- Vacuum leak in bank 2
- Malfunction of the mass air flow sensor (MAF)
How to Fix
- Check oxygen sensor readings using a scanner
- Inspect fuel injectors for dirt or leaks
- Check the pressure in the fuel system
- Check the tightness of the inlet tract of bank 2
- Check the performance of the mass air flow sensor
Related codes
Error P2190 by Vehicle Brand
FAQ
What does the P2190 code mean?
P2190 is an OBD-II diagnostic trouble code that indicates: System Too Rich at Idle Bank 2
What causes a P2190 error code?
The most common causes of P2190 include: Malfunction of the oxygen sensor (lambda probe) bank 2; Dirty or faulty fuel injectors; Increased pressure in the fuel rail; Vacuum leak in bank 2.
How do I fix a P2190 diagnostic trouble code?
To fix P2190: Check oxygen sensor readings using a scanner. Inspect fuel injectors for dirt or leaks. Check the pressure in the fuel system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2190?
Yes, but get it checked soon
How much does it cost to fix P2190?
The estimated repair cost for P2190 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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