diagnostics

Hello all. This is my first post. You guys always have great advice and feedback, and I am now myself kinda stumped with something so here goes. I have a 01 Ranger Edge 3.0 (U) Gas 110k miles on the clock It will intermittently have loss of power when driving, especially so here and there when...

I have read the "How To" on vacuum but it does not mention what the vacuum gauge will read and do if there is a restriction in the exhaust, like a plugged cat. What should I be looking for to tell if I have an issue with exhaust restriction? :icon_confused: current test results: Idle: 18 Hg...

Ok here's the issue and related parts replaced, due to other issues. I have an intermittent skip on my 94 3.0L which it had when I bought it and so far have tracked it down to being a fuel delivery issue and here is how: replaced coil with Accel Super Coil for a hotter spark, replaced...

I have a 94 Ranger XLT super cab 4x2 with the ABS light on. I pulled the code and I get a code 4 but searching the internet I can not find a list of what the codes mean. As far as I can tell this code means "RABS valve switch closed or open dump valve." This information was taken from a 91...

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I recently got my engine replaced in my ranger. After I got it back the check engine light came on. It would come on and go off. I got it scanned by the guy that replaced the engine and he said it was the o2 sensors. I replaced both of them and it still came on. Only now it stays on instead of...