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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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