2001 Volvo S80 "code p0172 p0420" Questions

p0172 fuel too rich bank 1, p0420 catalyst efficiency low bank 1, and p0340 camshaft position sensor prob...what first? Track the p0340 first camshaft timing is very important and could possibly cayse

...code p0172 and second is p0420 they read in that order on scanner tool. could the second code cause the first code to come on but show last or is it that the first code that shows up the cause of the ...

code P0172, P0420 and possible misfires on the cylinders (to rich), to much fuel in the cylinders. The P2181 could be caused by a bad temperature sensor or a faulty thermostat. I would go for the temp

...P0172 & P0420'' The codes are System to rich (bank1) and Catalyst Efficiency below threshold (bank1) What does all that mean, what would need o be replaced? po-120 is--tps/pedal position sensor A ...

...p0172,p0300,p0420,p0446,p0452,p0453,p1639,p1653,p1651,p1652 Take it to a ASE certified repair facility ,they'll fix it up ! Don't just replace parts !!!!! P0171 - is a lean code bank 1 -possible ...

...code p0101 maf vaf ckt range/perf p0300 random multiple misfire detected p0420 catalyst eff below threshold bank 1 p0172 sys to rich bank 1 truck suddenly started to run poorly, has little to no ...

...code was P0172 and P0420, I replaced the 3 oxygen sensor and the cat. conveter, but still had a little miss when idle and was with the air condition on. On my 2002 safari I had a inter miss fire. ...

...P0172 code above. * P0300 multi misfire probable cause. Fuel injectors always seem to get the blame for this one since the there is only a lean condition to one side of the engine. The fuel injectors ...

...P0420 Downstream delay time Time < 1000 Engine speed Vehicle speed Closed loop fuelling 1100 to 2500 RPM 31 to 37 mph Active 23s 2 Drive cycles Catalyst efficiency bank 2 P0430 ECT IAT Airflow ...