1977 GMC Sierra 1500 won't idle when warm. Even dies when put in gear. Will restart. Is it carb problem?

Asked by Lawmoon Jun 27, 2015 at 02:24 PM about the 1988 GMC Sierra 1500 C1500 Standard Cab SB

Question type: Maintenance & Repair

1977 GMC Sierra 1500, 350, A/T; Edelbrock Manifold; 4-barrel carb. A real Beater.

1 Answer
65,590

firebird338 answered 9 years ago

Clean carb with carburetor cleaner spray use the whole can and replace fuel filter and check air filter.

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