i have a 1980 dump truck that makes a popping noise like its back firing and then in 3rd gear it loses power and throttle?

Asked by Aug 30, 2015 at 05:09 AM about the 1980 Ford F-100

Question type: Maintenance & Repair

Ive changed the carb. fuel filters and im stumped its a 1980 ford dump truck.

2 Answers

2,155

you have a valve problem I would sugest checking your valve lash. this is it back fires or pope on giving it gas. you might even having a timing issue but on this old of a motor it is a good thing to pull the valve covers and give the lash a good once over

18,790

Change spark plugs sounds like they are miss firing and check air filter.

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