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RPMs drop slowly
Whenever I shift, specially the 1-2 shift, I have to wait like 2 seconds before I let the clutch out, so the rpms will drop so it wont jerk. (having a good bit of play in the drivetrain doesn't help at all). The higher the gear I go up, the faster the rpms drop to make a smooth shift. Also, the higher rpms I go, the faster the rpms drop as well, even if I make a 1-2 shift. Now, if I sit still, and rev it to say 2500rpms in neutral, the rpms drop pretty quickly. Is this normal? Its really annoying to have to pause for a couple seconds going into 2nd gear if I shift around 3k or below. I also still have the issue of the rpms dropping below normal idle speed while comming to a stop. Any ideas on this?
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Sounds to me like the IAC Valve. Mine did that and I replaced it, then it quit. They are $57 dollars at Napa.
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what was yours doing?
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Mine RPM's would not go down in between shifts. They would stay about 2200 and I would have to force them down. Then it quit when I replaced it.!
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do the rpms drop fast even at low rpms now that you've replaced it?
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Sounds like a bad IAC valve to me. You can clean it with a strong brake parts cleaner. Pull it off and douse the inside of both holes with the aerosol.
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Where is the IAC valve?
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My 2006 ranger did that when my a/c was on. :-/
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Possibly related TSB:
Article No. 00-3-5 HIGH IDLE - TAURUS WITH 3.4L SHO AND RANGER WITH 2.5L AND MANUAL TRANSMISSION Publication Date: JANUARY 31, 2000 FORD: 1998-99 TAURUS SHO; 1998-2000 RANGER ISSUE: A high idle may occur on some vehicles. This may be caused by a poor electrical connection at the wire harness (-12B637-) to Throttle Position Sensor (TPS). ACTION: Splice into wire harness (-12B637-) just after the TPS with TPS Connector High Idle Service Kit. Refer to the following Service Procedure for details. SERVICE PROCEDURE Verify the concern vehicle exhibits a "high idle" condition when depressing the clutch or shifting between gears for the Ranger or when shifting between Park and/or Neutral for Taurus SHO. If high idle condition is not exhibited, proceed with other driveability diagnostic fix procedures. If condition is present, obtain a High Idle Service Kit (XF1Z-15K607-AA) and proceed by following the instructions found within the service kit. PART NUMBER / PART NAME XF1Z-15K607-AA / High Idle Service Kit |
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