how do I check for fuel pressure 1994 4.3L vortec

Asked by Mike Mar 20, 2014 at 11:34 AM about the 1994 Chevrolet S-10 Blazer 2 Dr STD SUV

Question type: Maintenance & Repair

OK Hi, the history first .
#1: it started out as a crank no start, so checked for spark and it was present to the dist. so replaced fuel filter, fuel pump and screen.I still had a no start(
#2:replaced spyder assy. and regulator which at least made my rig TRY to spark and sputter{
#3: all sensors were replaced EGR removed cleaned still no luck(
#4:replaced whole distributor, cap-n-rotor wires plugs it started right up wootwoot...but wait, 1 week later back to crank no start again and this time I heard the pump through filler neck and then checked spark again present((   I hope you can help thx!

1 Answer

indytiger2010 answered 10 years ago

make sure you have the right fuel pump. Aotozone sold me the wrong one and I had the same problem. two fuel pumps will fit but they have different pressure settings. One is for throttle body and one is for multiport. I had a garage put the right one on and now it starts. I have another issue but at least I can drive it. I hope this helps you out.

Mark helpful

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