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dee duck

dee duck 12/21/2011

1988 GMC R1500 Suburban Sierra Classic 8 Cyl 5.7L

Engine

No gas in carberater fuel into card. but not out of twin injection

1 Answer


jdl

jdl 12/21/2011

How long since a tune-up? Any applicable trouble codes? Use a gage and check fuel pressure. Check for an injector pulse, check for voltage and ground at the injector. If the computer doesn't see an rpm signal, no injector pulse.

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