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16 Posts
Ive been trying to run down an idle issue with my cruze for a month! Occasional stalling when at idle (seem worse now) and ive noticed if i drive an extended period on the hwy when i slow on an off ramp it surges to about 2k rpms and after a few seconds drops to 500 almost stalls and eventually settles in at around 700rpms. Im getting stabillitrak service messages occasionally as well but not all the time ( could be unrelated but never know with these cars lol). Now that said on with what ive done:
1) negative batt cable change
2) checked for vac leaks (changed intake boot and valve cover due to cracks and pcv)
3) intake vvt solenoid
4) cleaned throttle body (dirty after 100k)
5) bank 1 O2 sensor upstream
6) reset ecu by pulling fuses for 30 min
7) unplugged throttle conector to see if idle changed and ran worse when pulled
Its throwing p0171 lean code and thats the only one it ever gives. Next thing i thought is replace entire throttle body but getting expensive to mess around with throwing parts at it. I really want to keep it out of the shop and not have to eat my hat with the wife
Forgot to add a seafoam treatment done also.
1) negative batt cable change
2) checked for vac leaks (changed intake boot and valve cover due to cracks and pcv)
3) intake vvt solenoid
4) cleaned throttle body (dirty after 100k)
5) bank 1 O2 sensor upstream
6) reset ecu by pulling fuses for 30 min
7) unplugged throttle conector to see if idle changed and ran worse when pulled
Its throwing p0171 lean code and thats the only one it ever gives. Next thing i thought is replace entire throttle body but getting expensive to mess around with throwing parts at it. I really want to keep it out of the shop and not have to eat my hat with the wife
Forgot to add a seafoam treatment done also.
