please help asap

Asked by Guru8DR3 May 01, 2017 at 08:28 PM about the 1986 Chevrolet El Camino RWD

Question type: Maintenance & Repair

I need help/advice please I got a 86 el camino 4.3
v6 every time I push gas it bogs down and shuts
off idles right timing is right as well brand new
fuel.pump fuel filter distrubitor injectors spark
plugs wiring spark plugs cleaned out lines and all
that check engine light is not on what can it be
here is a video of what it is doing please help

1 Answer
223,885

Rowefast answered 7 years ago

I don't see the video, but it could be the fuel regulator in the TBI. Should hook up a fuel pressure gauge in line just before the TBI and check the fuel pressure. It should be 9 to 13 lbs. Rev the engine up to see if it holds the fuel pressure within range. If it don't, then the regulator would need to be replaced. Also check for vacuum leaks. Make sure the TBI base gasket is good. I've seen them rot threw.

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