I have 87 F150 runs fine at first, but then loses power, can't get over 55mph

5

Asked by Aug 12, 2012 at 11:25 AM about the 1987 Ford F-150

Question type: Maintenance & Repair

302 xlt

1 Answer

18,340

Check the easy things first. Clogged air filter. has the fuel filter ever been changed. If equipted, clean the mass air flow sensor. If it has one, be careful, it's as thick as a human hair. Use a Q-tip and solvent and be extremely gentle. Clean the throttle body, etc.

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