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Service engine light

961 views 1 reply 2 participants last post by  Johnasara 
#1 ·
Hey guys, yesterday i was headin to work in my 02 duramax and my truck revved up and i think it came outta 5th gear and into 4th and the service engine light came on. I was going about 65 on cruise, and i hit the gas to accelerate to go around this car and thats when it happened. Any ideas?
to note i do use my tuner on stage 3 when i tow. But i run it on 1 or 2 all the time. Mainly 1.

i have a 2002 duramax, 6in lift, it does have an EFI live tuner by PPEI.
 
#2 ·
Do you know what code it threw? I have had MAF codes after a filter cleaning, and fuel codes because the filter needed to be changed.
 
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