Check Engine Light will not go off!!!
#1
Check Engine Light will not go off!!!
i had an intake and tune in the car (07 GT). i took them both off and have drivin the car a couple days and the check engine light is still on. My tuner says the car is running too lean? please help me!!!!!
#6
My CEL has been on for over 2 years now lol. Ever since I put my longtubes on my tuner has not been able to get the O2 sensor settings right. I have to reload the tune before every annual inspection just to shut the light off in order to pass. After a short while it comes right back on again. In my case it has to do with the O2 sensors not coming on in time.
Nothing to do with your situation but my point is it's not the end of the world and may likely be emissions related.
Nothing to do with your situation but my point is it's not the end of the world and may likely be emissions related.
#7
Mine started coming on after I did my last set of mods. It was throwing a couple of codes p0171 / p0174 which are lean banks 1 / 2. I tried to clean the MAF and see if there were any leaks around the MAF and CAI. Mine was not running right as well it was cutting out and I finally decided that it may be a fuel issue. I installed a highflow fuel filter from Steeda and it runs perfect no issues at all and no more CEL. So I found out it could be almost anything, it may have been a bad filter, it could be my fuel pump is going bad or maybe I just need a fuel pump upgrade.. Just Thankful it is running right now..
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