Hi E46 Fanatics :)
I have 320 E46 with engine M54B22 year 2001 mileage 201000 km.
Some time ago "check engine" light turned on. BMW scanner v1.4.0.6 shows errors:
45/62 - Fuel pump relay, short circuit to negative or open circuit
E4/B1 - Oxygen sensor controller, bank 2, deviation too great, deviation rich
E3/B1 - Oxygen sensor controller, bank 1, deviation too great, deviation rich
After error cleaning only error 45/62 remains and "check engine" light turns off. After some driving ~100km it turns back on and BMW scanner shows same 3 errors - so the most likely check engine light is because of errors E4/B1 and E3/B1. I also found that sometimes "check engine" light turns off also without error cleaning with BMW scanner.
Didn't mentioned any other issues with car - engine works as usual and fuel consumption remains the same.
Can you please advise what should be done to fix this issue?
I have 320 E46 with engine M54B22 year 2001 mileage 201000 km.
Some time ago "check engine" light turned on. BMW scanner v1.4.0.6 shows errors:
45/62 - Fuel pump relay, short circuit to negative or open circuit
E4/B1 - Oxygen sensor controller, bank 2, deviation too great, deviation rich
E3/B1 - Oxygen sensor controller, bank 1, deviation too great, deviation rich
After error cleaning only error 45/62 remains and "check engine" light turns off. After some driving ~100km it turns back on and BMW scanner shows same 3 errors - so the most likely check engine light is because of errors E4/B1 and E3/B1. I also found that sometimes "check engine" light turns off also without error cleaning with BMW scanner.
Didn't mentioned any other issues with car - engine works as usual and fuel consumption remains the same.
Can you please advise what should be done to fix this issue?
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