Question about Ford Escort

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Ford escort 1.8 1998

Idle revs high and low changed idle control valve but still does it

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  • kevin caddick Feb 10, 2012

    can any one help me i have a ford escort 1.8 1998 my revs keep going high&low i was told that it was my idle control valve so i changed it but my car still revs up&down can any one help me.

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  • Ford Master
  • 2,122 Answers

Hi Kevin, Sounds like you have a problem with the cold start idle control. That unit is fitted onto the throttle body. If that is the unit you've replaced, the next place to look is the air flow sensor. That's the unit fitted between the air filter housing and the surge tank of the intake manifold. Also chech all vacuum hoses fordamage or loose fitting. Regards John

Posted on Feb 10, 2012

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Posted on Jan 02, 2017

shaggyrat
  • 1224 Answers

SOURCE: 1995 ford escort idle problem

you need to adjust idle its supposed to idle high at startup but after warm its idle drops down to if memmory serves corrent 1000 to 1500 rpm

Posted on Jun 02, 2008

  • 179 Answers

SOURCE: car revs up whilst stopped, idle problems

you need a new oxygen sensor

Posted on May 31, 2009

mhamlin63
  • 138 Answers

SOURCE: idle speed for my 2002 corolla 4zz-fe engine is low and unevan

Sounds like fuel filter to me. Change that and see.

Posted on Jun 30, 2009

john631068
  • 172 Answers

SOURCE: where is the idle control valve on a 2001 ford

5165a16.jpgshould be located on the upper intake by the throttle body locate your throttle linkage and it will be in that area

Posted on Nov 16, 2009

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  • 215 Answers

SOURCE: 1998 ford ranger idles rough, high then low

does car have engine codes? sounds like your idle air controle valve is sticking. or possible egr problem

Posted on Feb 18, 2010

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Hi,

Appreciate the "Ask Me".

The technically proper diagnostic procedure would be to have the car's computer scanned and the readings interpreted for errors. The error codes would determine the "probable" defects.

To my knowledge, there were at least three (3) Technical Service Bulletins for '97 Escorts:
1. July '98 - wiring harness/loom for power control module;
2. Oct '98 - change IAC valve with a new design/version; and
3. Oct '98 - change power control module (PCM).

All of the above directly affects idling (among others) and are strictly dealer repairs. If however you would prefer a DIY (do-it-yourself), then you would probably want to focus on:
a. locate the PCM and connect a grounding wire to pin 28;
b. remove, check/clean/replace the IAC valve and the throttle body/assy with special precautions. Pls reference this page for additional information;
c. or it maybe as simple as a return spring out of position for the idle level. I believe their are available aftermarket idle repair kits for Escorts that are comparable if not better.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 13, 2008 | 1997 Ford Escort

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1995 ford escort idle problem


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