1994 GMC Jimmy

JAYANDREW89

MEMBER
1994 GMC JIMMY

1994 GMC Jimmy 6 cyl Four Wheel Drive Automatic

i was pulling out of my drive way and all of a sudden the engine just shut off, I checked the fuses they were all good I replaced the fuel pump, coil, distributor cap and rotter tested the ignition control module and it still wont start,

Thank you
Jason.

5 Replies

INTERNETMECHANIC

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Have a helper crank it, while you visually check for spark at the plugs. If you have spark everywhere, use a gage and check fuel pressure. Some of the national brand autostores used to loan out a fuel pressure gage, if you don't have one. Any applicable trouble codes?

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Tuesday, April 6th, 2010 AT 10:54 AM

JAYANDREW89

MEMBER

My fuel pressure is kinda low not at sixty psi or where its supossed to be. The engine rotates but wont start my spark was bright orange then I replaced my coil an still dont start. There is no applicable trouble codes, please help thank you.

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Tuesday, April 6th, 2010 AT 4:02 PM

INTERNETMECHANIC

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What was the actual fuel pressure spec? If you have the spider fuel system, the fuel poppets may need cleaning. Do you have an injector pulse.

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Wednesday, April 7th, 2010 AT 9:47 AM

JAYANDREW89

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If I spray Carb cleaner in the intake it starts replaced fuel filter. I don't have pressure gage so I don't know how much but there is pressure checked single injector still good don't know please help thank you

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Thursday, April 8th, 2010 AT 8:58 PM

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