I have a 1995 Mercury Cougar with 83,000. miles on it and they can't get the check engine light to stay out?
The check engine light won't stay out. The ERG solenoid has been change, they
put in a new EGR hose set, nothing is plugged up, they clean out everything and
it still comes on. They said it could be in the wiring because I did have to replace all
my hoses from a rat eating it. Where is the wiring for the check engine light?
I think they mean the wiring to the sensor that is tripping the CEL, not the wiring to the OBDii scanner port. What is the code/codes? You might want to find another garage that can find your issue.
Thank you, I got the check engine light fixed & took it to get smoked & it failed the test. They said the emissions were all perfect but now California law requires some kind of snap smoke test. I guess they snap the throttle & if a tiny bit of smoke comes out, it fails the smog. Is something plugged up now or do you have any idea what would cause that if the emissions are perfect ? What would cause the smoke. It doesn't smoke any other time just when they do that test. The guys that fixed my emissions said they didn't see any smoke. I don't want to have to pay $125.00 for a diagnostic test if it could be just a plugged hose. Any help you can give is greatly appreciated.
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