1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

factory tach 4.9 92f150

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04-30-2001, 10:56 PM

jimarley59

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factory tach 4.9 92f150

My tach starts out engine not running showing about 400 rpm.
After engine starts it goes to 2400rpm and stays there until
engine rpm builds. Any suggestions?

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