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87chevys10 87 2.8L2wdautopickuptruck no spray from injectors no idea light doesn't light, replaced fuel pump , dist., iac,2ecms,fuel filter,will start and run briefly with gas poured in throttle

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Check the exhaust sounds like the catalytic converter or muffler maybe plugged. If you remove the 02 sensor ahead of them it should start and run rough. When they get plugged they will put back pressure on the engine and not allow the fuel to be drawn into the cylinders and fire.

Posted on May 12, 2017

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Posted on Jan 02, 2017

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The fact that it starts if you spray it indicates that you have a fuel problem. Either out of gas, low fuel pressure, fuel pump issue.

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My 1995 Pontiac Bonneville will turn over and start but always dies. Already replaced fuel filter and the fuel pump seems to be working but the car will not stay started. Checked the gas release on fuel...


crank position sensor...if the engine will start and run for a second or two then it dies. If, however, you can press and hold the gas pedal slightly and keep the engine going, then I would suspect the IAC-idle air control valve. This can be cleaned with spray carb cleaner.

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Put an injector noid light at the injector plug terminals to see if your getting a signal from the PCM(computer).If not try to find a computer from the same vehicle that works and swap it into yours to check.A PCM swap will take about 15minutes.

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have you checked the coolant temp sensor? it controls air-fuel mixture.

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92 chevy 1500 5.7 tbi starts and dies. replaced fuel pump and filter, tbi,iac, and tps, still has same problem. fuel spray seems weak at injectors. could it be the module in distrbutor?


Try using a good fuel line/injector cleaner Seafoam is a good one. If this does not help you may have tone or more clogged injectors. Clean these out and you should be good to go. tTo see Seafoam in action goto you tube type Seafoam into the search box.

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I have a 2000 chevy s-10 4.3 vortek. it will turn over but not start. i can leave it over night and it will usually start but not always. have replaced the fuel pump, filter, cam sensor, plugs, wires, dist...


there are two things i would do
first is the cheaper get a can of starting fluid and while some one chanks the engin and steps on the gas pedal lightly spray the starting fluid into the air intake after the air filter ( remove the air filter cover first) it should start and die when the fluid runs out
#2 get a fuel injector noid light to see if the injectors have power to them
ihope this helps you

Jun 13, 2009 | 2000 Chevrolet S-10

1 Answer

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check your fuel pressure it should be 35 psi .fuel pump relays dont go out but check all fuses with test light there is a fuel injector fuse but most likely problem is your fuel pump!

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