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Won't restart

(1990 Ford F-150)
in Central Point, OR on February 01, 2010
Have a '90' F-150 with 129000+ miles. It has been siting for about a yr. After being driven and shut off it doesn't want to restart. After sitting for 15-20 mins. it starts again.What could be the problem? A suggestion has been made it could be the oxygen sensor, possible?
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Popular Answer
on February 01, 2010
A faulty Oxygen sensor will not cause your 1990 ford F-150 to not start when it is warm. When the engine won't start, does it crank over OK? If so I would suspect you have a problem with the ignition system - weak or no spark, or the fuel system - low or no pressure. You will need to perform some basic diagnostics when the engine won't start in order to determine if the problem is spark or fuel related. If the engine won't turn over when warm then you should be checking the battery, starter, and cables.
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