Severity: Fix within days. Drive with caution and watch for new symptoms.
The engine is getting too much fuel or too little air on bank 2, the same rich condition as P0172 but on the other side of a V engine.
Check fuel pressure and injectors, clean the mass air flow sensor, and test the bank 2 oxygen sensor.
Same as P0172: fuel smell, black smoke, and poor economy. Drivable with care.
You can drive short distances carefully; watch for worsening symptoms. Same as P0172: fuel smell, black smoke, and poor economy. Drivable with care.
The most common causes are: Leaking fuel injector on bank 2; High fuel pressure; Dirty mass air flow sensor; Failing oxygen sensor on bank 2; Stuck-open thermostat; Clogged air filter. A scan tool and a visual check of the parts above is where a technician starts.
Check fuel pressure and injectors, clean the mass air flow sensor, and test the bank 2 oxygen sensor.
