1992 chevy s10 pickups

5

Asked by Jul 29, 2017 at 11:26 PM about the 1992 Chevrolet S-10 LB RWD

Question type: General

my truck is a chevy
s10 1992 2.5 ltr. 4cyl. tbi.
replaced fuel pump, fuel filter, plugs wires ignition, ignition switch, igniteor in
distributor, distridutor, cap, rotor, connecting wires, sensors-map, idle\air,
trmp, air\fuel, and im going to rebuild original disrtibutor. also replaced
pressure regulator in tbi, and fuel relay switch, and every fuse under the
dash.
It dont even start anymore. when it does i got lucky with the distributor wiring.
when i am done with this rebuild on distributor, and it dont run do ypou have
any suggestions, besides air filter and fuel sending unit as possible repair?
help me out please. if you can.

1 Answer

81,405

You need three things for the engine to run. Fuel, spark, and compression. That's it. So let's find out what's missing instead of throwing parts and money at it! Spray some starting fluid down the throttle body. It should run a few seconds on the starting fluid. If so it's a fuel problem. Is the fuel pump running? Are the fuel injectors spraying? If it won't run on the starting fluid, check for spark. If you have spark, did you turn or remove the distributor when you were working on it? If so your ignition timing is off and must be reset. If you didn't disturb the distributor DON'T disturb it now! If you have spark and fuel but it still won't run, time to check compression. If all cylinders test very low or zero it's jumped timing and the timing chain will have to be replaced. HTH. -Jim

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