Basic info:

Chevy Cavalier
2.2L ecotec
Automatic
120k miles

Symptoms:
- Stalls at idle with AC on
- jumpy at idle, jerks when in drive
- Cruise control randomly shuts off
- Check engine light, code is random miss fire

What I have REPLACED
- ignition module
- spark plugs
- coil pack
- IACV

What I have checked
-TPS
-MAF
-IAC
-Harness from MAF IAC TPS to ECU
-Compression (it’s good)
-no Vac leaks, checked with smoke machine and can of carb cleaner
-Cleaned all grounds, sanded to shiny metal and put dielectric grease.



Any insight? Much appreciated!

 

Are you still having issues? What year is your car?