I need my ses light back on
#1
Staging Lane
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I need my ses light back on
About a week back my SES light came on so I took it to my friend,s dad who works at a ford dealership and he had one of the guys there run a scan on it, and he said that the cat eficency in both cats is below normal and they should be replaced.So i made an apointment with my pontiac dealer and ready to go but before i did i wanted to use my hypertech tuner to put the tuning back to stock, but when i did i acidentaly cleared the codes. So when I went to the daler they said they cant do any thing if there is no code. I read if you drive your car through a Diagnostic cycle it will come back on, but that could take up to 10 cold and warm starts. I want to get the cats replaced soon is there any way to get the SES light on sooner?
#2
TECH Senior Member
I'd think the dealer could tell if they're bad just by scanning the car? Guess a few drive cycles wouldn't hurt - www.obdii.com/drivecycle.html Look up when the MIL comes on for P0420 and P0430 for your year at gearchatter.com, thinking they might come on as soon as it sees a failure. You did the right thing by returning the tune to stock before letting a dealer connect.
#3
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Originally Posted by 2001NBMZ28
I'd think the dealer could tell if they're bad just by scanning the car? Guess a few drive cycles wouldn't hurt - www.obdii.com/drivecycle.html Look up when the MIL comes on for P0420 and P0430 for your year at gearchatter.com, thinking they might come on as soon as it sees a failure. You did the right thing by returning the tune to stock before letting a dealer connect.
#4
TECH Senior Member
Disconnecting the 02s isn't going to get the same code(s) back. They still may be stored in history, but don't know if HPP3 resets all the codes when changing tunes back and forth. Reason you want to return the car to stock before visiting the dealer is they may upgrade/change the PCM programming. I'd just put some miles on it and wait for the codes to come back.
#6
Or just relax and dont worry about it..
Does the car actually show any signs of a bad cat? A bunch of things can set that code, and it doesnt hafta be the cat.
I cant tell you how many times ive reset the computer in cars and the light never came back on.
Just dont dive into a cat replacement if you dont need to.
joe
Does the car actually show any signs of a bad cat? A bunch of things can set that code, and it doesnt hafta be the cat.
I cant tell you how many times ive reset the computer in cars and the light never came back on.
Just dont dive into a cat replacement if you dont need to.
joe
#7
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Originally Posted by NHRA Trans Am
I want to get the cats replaced soon is there any way to get the SES light on sooner....?