I think I have a Tune and Dont even know it.

[Boosted_Cobra.]

Well I dont know how long it takes for my car to throw a Check Engine Light, but I recently installed a catless X-pipe to conjorn with my Catback, and during the installation I knew I was supposed to throw a check engine light because of not having a tune or MIL eliminators. So Ive had it on for about 150 miles and alot of full throttle pulls.


Any Ideas? When is it supposed to come on? Maybe the car already has a tune from the previous owner? :nonono:

 

[Mystic03]

Well I dont know how long it takes for my car to throw a Check Engine Light, but I recently installed a catless X-pipe to conjorn with my Catback, and during the installation I knew I was supposed to throw a check engine light because of not having a tune or MIL eliminators. So Ive had it on for about 150 miles and alot of full throttle pulls.


Any Ideas? When is it supposed to come on? Maybe the car already has a tune from the previous owner? :nonono:

mine did the same give it time it'll come on and are those numbers from your dyno?

 

[boosted2000si]

Mine never threw a CEL with the catless x.

 

[96stanggt]

Do you still have the stock shift light arrow come on around 1800 rpms?

 

[C1Sn8k]

my o/r x took about 600-700 miles before the CEL came on