dies like turned off.

Asked by Nov 01, 2015 at 08:43 PM about the 1989 Chevrolet C/K 1500

Question type: Maintenance & Repair

i have a chevy c1500 4.3 i will be driving down the road and it will die like i
turned off the switch then after alot of trying to start it . it will start up i never
know when or if its gonna do this again but has done this several times. i have
replaced dist. cap rotor button plugs fuel filter fuel pump please help

3 Answers

72,065

Well it sounds like a fuel issue, make sure the fuel pump electrical connections are in good shape, you should hear the fuel pump run (prime up) for a bit before it shuts off when turning the key to just on. Fuel pressure should be 9 to 13 lbs. 11 to 12 optimum, otherwise I have run into a bad coil & wire on these.

i have replaced the fuel pump didnt help. and i hear it prime up. would a bad coil or wire work then not then work again ? it does this from a cold position and while driving warmed up. could it be the ignition switch ?

72,065

I did mention the coil & wire, & I have run into this before. Yes this could be a cause. I know you replaced the fuel pump & filter, as I needed to know if you knew the pump was running, because the electrical connectors have problems with time. No I don't think it would be the ignition switch. I still not ruling out a fuel issue, as a bad regulator also could be the culprit. Fuel pump is ruled out since it is new, but I would like to know what the fuel pressure is. Unless you get a different coil & wire to try. The spring in the regulator that is in the TBI gets weak, and they make a rebuild kit for these. Let me know what you find, :)

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