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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

Had a quick question :)

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Old Jun 5, 2012 | 05:18 AM
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Default Had a quick question :)
I have a 98 f150 that when stopped lets say at a red light or just idling the RPMS rev up and then drop and then rev up and then drop...what is wrong!?!? Please help and if I let off the break a little bit I nudge forward more than I would
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Old Jun 5, 2012 | 07:30 AM
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Moved to correct section
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Old Jun 5, 2012 | 08:14 AM
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Is it a 4.2 V6?
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Old Jun 5, 2012 | 08:33 AM
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Dirty Throttle body and or Throttle possitioning sensor/Idle control
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Old Jun 5, 2012 | 09:37 AM
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Could be the intake, vacume line. You can have a smoke test done to check for the leak. Sounds like she is sucking air.
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Old Jun 5, 2012 | 05:23 PM
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4.6 v8
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Old Jun 5, 2012 | 06:35 PM
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What position is ur fan switch on? If ur low on freon an have even the heater or ac on feet an face it'll dot that unroll u refill the freon and disconnect ur battery for a few min.
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Old Jun 6, 2012 | 06:01 AM
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Originally Posted by Travyforyou
What position is ur fan switch on? If ur low on freon an have even the heater or ac on feet an face it'll dot that unroll u refill the freon and disconnect ur battery for a few min.
Huh ????
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Old Jun 6, 2012 | 06:04 AM
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Originally Posted by techrep

Huh ????
Lmao I'm confused as hell on that one.. Who gave boomhower from king of the hill an f150forum account?
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Old Jun 6, 2012 | 06:08 AM
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Lmao
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