P0101 - GMC antara 2.2

Question

Cleaned MAF sensor replaced air filter checked for leaks still idles a bit rough (not as bad as when engine light came on and produced DTC P0101) could it be faulty MAF sensor but show no engine management light or DTC ?

Answer 1

Hi there,

It is very likely still an issue with the maf sensor. This sensor can be bad and not set a code. It's because the computer is happy as long as it's getting info from the sensor. It's not smart enough to know if it's the correct info.