SES comes on at idle
Thread Starter
Joined: Apr 2008
Posts: 1,169
Likes: 1
From: Born/Raised North East, MD Lived in VA, NC, MI Back in Yorktown, Va
SES comes on at idle sorry guys i dont have to much info. all i know is i replaced my MAF and whenever i idle for a little bit my SES light will come on. could it be my A/F Ratio? its two brand new Bosch o2s. what do you guys think?
the best O2's to run are ACDelco units. but that happens when my fans turn on. which do it at idle. hot or cold theyll turn on and so will the SES light dunno why
it happens with my dads 94 and 95 caprice witht he 9C1 package as im sure alot of other people. i wouldnt worry about it. its probably just the air pump. i have mine completely removed aswell.
Thread Starter
Joined: Apr 2008
Posts: 1,169
Likes: 1
From: Born/Raised North East, MD Lived in VA, NC, MI Back in Yorktown, Va
mines gonna be pulled in another week or two. i need to get a trans. then once i make sure its worth messing with the car ima say to hay with it and pull all the emmsion crap. i already pulle the egr outta the back now i just need the pump and block off my headers. then im good. thanks man i appreciate the quick response
mines gonna be pulled in another week or two. i need to get a trans. then once i make sure its worth messing with the car ima say to hay with it and pull all the emmsion crap. i already pulle the egr outta the back now i just need the pump and block off my headers. then im good. thanks man i appreciate the quick response
TECH Enthusiast
Joined: Nov 2004
Posts: 660
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Due to the fans coming on, and it only happening at idle, it's most likely an emissions code, AIR or EGR. I never had EGR problems, but when I got my first LT1 about 10 years ago I was suffering the same symptoms and it was the AIR pump.
