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Starts and Runs Fine then Shuts Off
#765535 September 14th 2020 3:16 pm
Joined: Apr 2020
Posts: 12
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As the title states, my 94 G20 will start and run just fine, but then within about 5 seconds it just shuts off. If I press the gas pedal it still tries to die. It's got a check engine light, but I don't curently have a jumper wire to see what it says. My gut is telling me its fuel? Any insight appreciated.

Re: Starts and Runs Fine then Shuts Off
Killawattz #765543 September 14th 2020 8:21 pm
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Possibly fuel pump.

Re: Starts and Runs Fine then Shuts Off
Killawattz #765545 September 14th 2020 8:59 pm
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Pulled the engine code, it was 54 for fuel pump relay, found relay under the hood, smacked the shit out of it with a screw driver, it works now.

Re: Starts and Runs Fine then Shuts Off
Killawattz #765550 September 15th 2020 2:42 pm
Joined: Apr 2010
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I've opened up relays and cleaned the gunk off the main contacts, but they crusted up again surprisingly quickly, and I just got a new relay. They wanted crazy money for the ones with the shroud which allows for easy upside down mounting for shedding rainwater

I just got a standard bosch relay and glued a plastic L bracket to it and smeared the underside with Dielectric grease.

can always jumper the 86a to 30 terminals in an emergency, or is it 87, anyway the two terminals with the fatter wires.

Re: Starts and Runs Fine then Shuts Off
wrcsixeight #765560 September 15th 2020 7:04 pm
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I just replaced it. Pretty sure the one that was on there was from the factory, so the relay was old enough to have finished a masters degree.

Re: Starts and Runs Fine then Shuts Off
Killawattz #765562 September 15th 2020 7:52 pm
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New parts arnt ALWAYS good even in a box...Ive bought a coil that lasted 2 days and a couple that didnt even work out of the box


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB

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