17545moderate severityPowertrain
Fuel Metering: Bank 1 System too Rich
on 2000 Audi A6 2.7L Turbo V6 · AWD
What this code means
The engine is running too rich on bank 1, meaning too much fuel or too little air in the mixture. Equivalent to OBD-II code P1137.
Symptoms
- Black smoke from exhaust
- Poor fuel economy
- Fuel smell and rough running
Common causes
- Leaking or stuck-open fuel injector
- Faulty oxygen sensor
- High fuel pressure or bad regulator
- Dirty or faulty MAF sensor
Diagnostic steps
- Read fuel trim values with scan tool
- Check fuel pressure against spec
- Inspect injectors for leaks
- Test MAF and O2 sensor operation
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00532
Supply Voltage B+ Signal too Low
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Camshaft/Crankshaft Position Correlation Bank 1
16395
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Mass or Volume Air Flow Circuit Low Input
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Mass or Volume Air Flow Circuit High Input
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Engine Coolant Temperature Circuit Malfunction
16501
Engine Coolant Temperature Circuit Low Input
16502
Engine Coolant Temperature Circuit High Input
16514
O2 Sensor Circuit Bank 1 Sensor 1
16515
O2 Sensor Circuit Low Voltage Bank 1 Sensor 1