Howdy ya,ll
My dad has a 4.0, auto 4x4 that has a problem, it is retarding the throttle , it hits 2000 rpm and cuts out like it ran out of fuel, makes a couple sounds like a internal backfire and then roars to life. No engine codes and will do it when ever it likes below 45 mph.
We have replaced alternator, tps and the air doojickey on the throttlebody. Since it has no check engine lite or trouble codes, no one can fix it. Anyone have an idea what is causing this problem ?
It also will do it when it is cold, hot and vice versa on the outside temps are cold or hot.
We are stumped. <img src="/forums/images/graemlins/zombie.gif" alt="" />