Car is starting and running well but when stop at the light the idle look like something is wrong.
Jan 7, 2012 at 12:54 AM
code p0118 ,p0418 and p0420. How to fix it?
1999 CHEVROLET BLAZER
MOA4819
- MEMBER
- 4 POSTS
- FOLLOW
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P0118-ECT sensor circuit high voltage-Engine coolant temperature sensor voltage is too high.
P0418-Not found
P0420-TWC System-low efficiency bank 1. Three way catalyst. Could be a problem with the O2 sensor or the catalytic converter. Or driver side plugs not firing properly.
P0418-Not found
P0420-TWC System-low efficiency bank 1. Three way catalyst. Could be a problem with the O2 sensor or the catalytic converter. Or driver side plugs not firing properly.
Jan 7, 2012 at 4:11 AM
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