96' Cherokee,check Engine Light Came On,twice??

[ARIZONA XJ]

Check Engine Came On Twice,in The Past Week,now I Did Just Put A 4.5 Lift In And 32x11.50 Also,about 2 Weeks Ago,im Thinking It May Be The Speedo Confusing The Computer On True Speed,anyone??anyone??.....bueller?....lol

[JeepJunkie]

Check Engine Came On Twice,in The Past Week,now I Did Just Put A 4.5 Lift In And 32x11.50 Also,about 2 Weeks Ago,im Thinking It May Be The Speedo Confusing The Computer On True Speed,anyone??anyone??.....bueller?....lol

i belive with the 96 you can pull codes by switching the key to the on then off then on then off a certain number of times. here you go this guys site is awesome hope this helps...http://www.go.jeep-xj.info/HowtoECUcodes.htm

[avnative]

This may sound stupid, Check your gas cap, A bad gas cap or not put on tight can actually cause your check engine light to come on as you emissions are not correct, It came on on my wifes honda oddsey, I took it in, luckily under warranty) and it was the culprit..