treepete
Full Access Member
holy crap... so they put it on YOU to figure out what you wanna do>?
Christ.
Christ.
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i'll tell you what i think your problem is. i've done this before (welding on a vehicle). if you weld, and don't disconnect the ecm/pcm, it's fried. the circuits in them are very minute and welding current will fry them. sure, sometimes you can get away with it, but a mig or arc welder will most likely fry them. i would bet, if you replace the ecm with another one, it will fire right up. they're like $30.00 at a scrap yard. i'd do that before throwing a few grand in it.
better yet, if the mechanic is competent, have them hook up a reader and see if it even reads the prom. that will tell you even if no codes are showing (which they won't)
What he said!
There are a lot of mechanics working at garages these days that are still not up to speed on electronics. It's too bad because it cost the customer a lot because of their lack of knowledge.
you are not going to believe this.
i just picked up my truck.
NOW when i press on my brake pedal, my fuel guage is all wonky and goes up and down into overfull! WTF?!
What does that mean?!!!
I AM NOT TAKING it back to them.
This may be noobish electrical question, but why would they put in a diode to protect the ECM from reverse current?