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1994 chevy c1500 no injector pulse - 1994 Oldsmobile 88

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Why is the left side injector not receiving pulses


Check continuity between the injectors and the ECM. if it's more than 5 ohms, repair the wires.

Aug 10, 2014 | 1992 Chevrolet C1500

1 Answer

1994 chevy 4.3 is timed but still wont start


getting spark?can you see the injectors spay fuel from them? a bad pick up coil will cause both

Aug 12, 2012 | 1994 Chevrolet C1500

1 Answer

I have a 1994 Chevy C1500 w/ 4.3 liter and my plugs are fouling out about every 500 miles or less and everything else maintanence wise I've replaced resently. Can someone give an idea on what need


Does the truck run right? Does it smell real gassy, fuel mileage go south? If it is fouling plugs that fast it either has to be burning a lot of fuel or oil. Is there a check engine light on? Engine wore out, burning a lot of oil. Fuel injector stuck, using a lot of gas. Air filter dirty, making it burn way rich. I would think this truck would really smell bad if it is fouling out the plugs that fast.

Jan 21, 2012 | 1995 Chevrolet C1500

1 Answer

I bought a '94 chevy p.u. project truck


Have you checked the temp sender? If the computer does not know the engine is cold it won't put enough fuel into the mixture to get it started.
If after starting it by priming, if you can get it to run, I'd look there.
Also on most systems the crank sensor will play a part in there as well...If the computer does not see a signal from there it will often shut down the fuel pulses to the injectors.
If simple testing does not show you anything, have a code test done and see at least which systems are showing faults and work from there. Chiltons and Haynes list individual component tests you can do to isolate a single component.

Jan 22, 2010 | 1994 Chevrolet C1500

1 Answer

1988 chevy 1/2 ton and i cant get fuel to the TBI injector . the fuel pump works and the fuel filter is clear and it turns over but it wont start what do i check to fix the problem help


Replace the pick up coil if there is fuel to the injector.If there is fuel pressure at the injector,then it is the pick up coil.If the fuel pump is working,and the fuel filter is new,then there is fuel at the injector,just no pulse,correct?

Jan 14, 2010 | 1988 Chevrolet C1500

2 Answers

Keeps blowing ingnition module in a 1994 chevy z-71 and then has no fire to the throtle body and spark plugs


Check the pick up coil. This is the part right under the rotor. Your best bet is to buy a new distributor. because sometimes the shaft in the dist gets worn and makes the ring gear on the shaft rub against the pick up coil. you will see like a brown powdery residu under the rotor and all over the pick up coil if it is rubbing. If the pick up coil is bad you wont have spark or injector pulse.

Nov 02, 2009 | 1994 Chevrolet C1500

1 Answer

No power tp the fuel pump, injectors not pulsing, no fuel.


Check out your oil sending unit, fuel pump and relay, check for power (might be a fuse), the ignition control module (which if you remove it, can be tested for free at AUTO-ZONE), any related wiring, pick-up coil (inside the distributor), and possibly the ignition switch. If I can be any more help just as away.

May 28, 2009 | 1994 Chevrolet Caprice Classic

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