Question about 1983 Ford F150
Install a fuel pressure gauge on the system. Run the engine up to the problem speed and watch to see if the fuel pressure drops down. If it does, replace the fuel filter and re-test. If the fuel pressure still drops, replace the fuel pump.
Another possibility is a partially clogged catalytic converter.
Posted on Jun 14, 2009
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Posted on Jan 02, 2017
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