Quote:
Originally Posted by fayjim2
I,m looking for individuals who have first hand knowledge/experience with Started to run/start poorly about 1 year ago and has got progressively worse until now (no Start) a 1990 4.0. 200k+ miles The plus and wires are less than a year old and look ok. I don..t have a OBD1 tester and no knowledge of codes. Modules the names are confusing to me. Where exactly is the PCM? or is there one and where is it exactly.
I just need some ideas here The old man says thanks Jim
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And if you' want to make things a little easier for the sake of learning, the above method is good to know for sure, especially for the sake of NOT having a tool to use. But if you're worried you'd spend a lot of money for the OBD I tool -
https://www.amazon.com/INNOVA-3145-F.../dp/B000EW0KHW
I keep it in the truck for no reason other than the time I would take it out, I'd have a need for it. It's like reverse Karma.
1st question - is the CEL (Check Engine Light) on?
2nd question - When you say over the last year, started to "run/start poorly".. can you be more specific of the symptoms if the CEL is not on?