Recent content by CAW

Over the past week my truck has been having an issue which I can only assume is transmission related. When I drive at 50-60mph the truck will jerk several times, as if it is trying to shift gears and can't decide which gear to shift into. This only happens when shifting to a higher gear and not...

I have had an extremely difficult to diagnose idle issue that has been ongoing for years. It doesn't happen always but seems to be getting more severe recently. The truck is a 1997 4.0 ohv with 160k miles. When I start the truck it will start without any problem. But after it starts The rpm...

I have been having some trouble codes in cold weather p0171 and p0174. I know these codes are indicative of a lean condition. I decided to do some troubleshooting to find any possible vacuum leaks. So I built a smoke leak test machine out of a paint can, a glow plug and an air compressor. It...

Hi, My wide open throttle relay won't let the compressor engage. Occasionally the compressor will engage for a instant but won't stay on. I have checked the system pressure and it is in the normal range. The AC has worked intermittently with this problem in the past. So, i think that the AC...