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What could cause a big loss in power in a 1988 Silverado 350TBI It will not maintain 55mph while pulling an unloaded cargo trailer Engine just bogs Exhaust and timing are OK Seems to run OK in town?
Htgriff
Checking the compression in each cylinder would be a good place to start. Then come back here with the results.
ANSWER could also be as simple as a dirty fuel filter. it's happened to me. tweek
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What could cause a big loss in power in a 1988 silverado 350tbi It will not maintain 55mph while pulling an unloaded cargo trailer Engine just bogs Exhaust and timing are ok No throttle response?
a fouled fuel filter will do that. that'd be the first place i'd start.
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