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Hey hoping someone might have some expert knowledge here for me as I've spent as much time as I can googling and youtubing with no results.
I've got a 05 Ion with the 2.2L ecotec
I'm getting P0300 random misfire and P0171 lean codes.
I've done the following seeing this car has over 315,000km
Compression test on all 4 cylinders all between 150-160psi
Replaced the coil pack and ignition control module, spark plugs, map sensor, maf sensor, checked for leaks on the minimal vacuum lines (as far as I am aware of) this motor has using carb cleaner with no change in RPM. Also sprayed some carb cleaner around the intake manifold gaskets with no change in RPM.
Every youtube video you watch points to the coil pack and/or the ignition control module. So I robbed another 2.2 to test and I get the same result.
Any help is greatly appreciated as I am so frustrated!
Thanks
I've got a 05 Ion with the 2.2L ecotec
I'm getting P0300 random misfire and P0171 lean codes.
I've done the following seeing this car has over 315,000km
Compression test on all 4 cylinders all between 150-160psi
Replaced the coil pack and ignition control module, spark plugs, map sensor, maf sensor, checked for leaks on the minimal vacuum lines (as far as I am aware of) this motor has using carb cleaner with no change in RPM. Also sprayed some carb cleaner around the intake manifold gaskets with no change in RPM.
Every youtube video you watch points to the coil pack and/or the ignition control module. So I robbed another 2.2 to test and I get the same result.
Any help is greatly appreciated as I am so frustrated!
Thanks
