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1994chevy g20v6 vortec 4.3
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rfoster
New User
Dec 15, 2008, 3:14 PM
Post #1 of 5
(1273 views)
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1994chevy g20v6 vortec 4.3
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fuel injectors are not recieving ground or ground pluse replaced ecm didn't work grounded injector it pumped steady fuel i need wiring diagram for emc plugin to locate ground wires to test for short tha
(This post was edited by way2old on Dec 15, 2008, 3:41 PM)
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way2old
Veteran
/ Moderator
Dec 15, 2008, 3:43 PM
Post #2 of 5
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Re: 1994chevy g20v6 vortec 4.3
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Have you checked the fuses? There are 2 that control the injectors and spark. They are labeled ECM A (or 1) and ECM B (or 2) Being way2old is why I need help from younger minds
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Loren Champlain Sr
Veteran
/ Moderator
Dec 15, 2008, 5:38 PM
Post #3 of 5
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Re: 1994chevy g20v6 vortec 4.3
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Check the harness carefully. Also, check the resistance of each injector. We've run into several V6 GMs with a shorted injector that will take down the rest. Loren SW Washington
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rfoster
New User
Dec 15, 2008, 6:53 PM
Post #4 of 5
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Re: 1994chevy g20v6 vortec 4.3
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checked fuses but i will check them again have power to injectors but no ground pulse no ground thanks for reply
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rfoster
New User
Dec 15, 2008, 7:10 PM
Post #5 of 5
(1262 views)
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Re: 1994chevy g20v6 vortec 4.3
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thanks i guess i need to strip plastic from wiring harness to check for a broken wire
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