Originally Posted by
Lsguy
Truck has a weird running issue, and has since I got it. Sometimes it runs great, then it will randomely either die or start running really bad, rough idle, no power. There are 2 possibilities I can see it being, problem is that it's a ghost issue, very hard to trace. I'm thinking either ECU problems, or maf. I've done a good bit of standard stuff to the truck trying to fix the problem, so far no luck. Redid the timing, along with the water pump while I was in there. New plugs, wires, coil. New o2 sensor. Pulled and cleaned everything to do with the intake, throttle body etc. New gaskets and reinstalled. New coolant temp sensor. New throttle position sensor. I'll try the maf and ECU next. This is a big problem, the reliability issue means I can't drive it daily, it scares me.
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