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I have a 1998 2.0L Ford Escort SE Standard transmission. The car starts but idles low then high and vise versa.

When I floor the gas while idling, the car chokes and misses then slowly the RPM goes up. Sometimes the car would choke until it backfires. When driving, I would move off and it would **** and **** so bad that it feels like the car will fall apart. I replaced the plugs, wires, oil, gas and oil filters, TPS sensor, took off ans cleaned the EGR and the idle control valve and still no result. I don't know what else to do, i took the car to 2 mechanics and they plugged the scanner in to see if any codes or bad sensors would come up but nothing showed up, as a matter of fact the meter read " SYSTEM PASS" but still jerks and chokes. Please help me, anyone.

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  • Leon Peters Feb 22, 2012

    actually this was happening before i changed the oil and filters, it just remains after i did. I went and check the wires to make sure they were correct and they were. I'm sorry when i said the car was backfiring, it wasn't coming from the exhaust, it was more like a POP...POP backfiring sound coming from the air intake area by the the air filter area. Someone told me it could be a vacum leak in the intake. What do you think?

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  • 37 Answers

More then likley,thortel cntrol switch is not working right.it will not show on the compu.disconnect power,reconnect,maybe it will fix it.

Posted on Feb 21, 2012

  • Leon Peters Feb 21, 2012

    OK, ill try that. thanks, i'll let you know how it goes.

  • Leon Peters Feb 21, 2012

    I replaced it with a new one and still no good results..I'm fed up and discouraged already!!! i'm just gonna get rid of this ****!!!! tried everything i can possibly think of and no results..just gonna get rid of the car!!!

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SOURCE: 93 TEMPO START CAR RUNS GOOD TILL TPS KICKS CHOKE

there is a tube coming off of the iac that causes that , it needs to be replaced

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Check fuel filter, Did this happen after you changed the plugs and wires or before?

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I just had the same problem with my '02 altima SE.
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The sensors themselves were about $44.00 a piece, but w/labor about $300.00 was the total. Hope this helps.....Now if I can just get the heater working!

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SOURCE: 83 s-10 2.8 engine needs choked to idle. Open choke

hi if your backfiring your timing is a little out also increase you idle speed on your carb by ajusting your throttle screw hope this helps if you find this useful please rate it thanks

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SOURCE: 2000 chev s 10, v6, 4wd, wont go above 40 mph. had

Had the same problem with my 1999 Blazer (S10) a baffle broke loose in the catalytic converter causing exhaust blockage while accelerating. When idling or driving slowly the baffle did not shift enough to cause a problem. Replaced the catalytic converter from Pep Boys (direct fit) for about $150. Had to get the gaskets at NAPA though. Runs like a top now. Hope this helps. PS: sell the catalytic converter to a recycling place. Good for a few bucks due to the platinum in the converter.

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1 Answer

98 escort high idle


check for vaccuum leaks.. try spraying brake cleaner around the lines and see if it changes anything with the idle spped.. if it sucks in some it will chug while you spray it.. That helps locate a leak..

Apr 22, 2013 | 1998 Ford Escort

1 Answer

Will not idle when cold


Its cold start issues:----
Go through the list of help links mentioned below:----

Click the link :----

Cold start problem and vehicle shudder around 2500 to 3500 rpms
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html
----------
Low idle when cold out side?
http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html
--------------
Ford explorer 4.0 will not idle when cold?
http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html
--------
Automatic transmission shift lever hard to move on cold mornings?
http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html
----------
Car won't start when cold?
http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html
-----------

It can be issue with IAC( idle air control valve) causing the problem.


There are many other possibilities causing these idle issues. Engine idles rough.

There are few help links with solutions to troubleshoot such idle issues.

I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

Ford Expedition IAC valve replacing

http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

-----------

Stumbling and stalling at idle after engine rebuild?

http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

------------

1999 Ford F-150 Idles rough and quits when gas pedal is pressed less?

http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

---------

Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

------------------

Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

-----------


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

-----------

GMC Sonoma Stalls and idles low

http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html

--------


GMC Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

-------------

1996 Camry intermittent engine failure while idle?

http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html

------------

Engine quits at idle?

http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html

-----------

Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

---------

High Idle Problem

http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html

-------

While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------

Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed?

http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html

--------

High rpm in neutral? Inconsistant high RPM in neutral?

http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

-------

Vehicle stumbling at idle and shows code 54?

http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html

----------

Rough idle, staling and Erratic shifting?

http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

-----------

While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------

These details will help.

Thanks.

Dec 14, 2012 | 1999 Jeep Wrangler

1 Answer

Ford escort 55 van cold start problem 1.8 diesel 2001


COLD START PROBLEM


Its cold start issues:----

Go through the list of help links mentioned below:----


Click the link :----


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

--------------

Ford explorer 4.0 will not idle when cold?

http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html

--------

Automatic transmission shift lever hard to move on cold mornings?

http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html

----------

Car won't start when cold?

http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html

-----------

These will help.

Thanks.

Nov 28, 2012 | Cars & Trucks

2 Answers

1993 ford escort with manual transmission. When the gas pedal is released the engine does not automatically slow down. It does slow down after a minute or two. Is there a spring that needs to be replaced?


There are usually return springs but it could just be that your car coast a long time when in high gear before it starts to slow down. My Jeep is the same way, if I'm running at 55 I can coast for a few miles before I slow down very much.

Jun 11, 2010 | 2000 Ford Escort

1 Answer

Won't idle


Yes it could be, take the solenoid off and clean it, does the idle improve? Hope this helps, let me know.

Jan 17, 2010 | 1994 Ford Escort

1 Answer

98 escort se 4cyl 2.4


Quite possible idle speed control valve. Take it off and give a good clean. Its more than likely oiled up and a bit sticky.

Aug 22, 2008 | 2000 Ford Escort

1 Answer

1995 ford escort idle problem


The IAC valve is usually the problem with the 1.9 Escorts ,causing a very poor engine idle at a stop. It is located on the side of the throttle body .

Aug 18, 2008 | 1993 Ford Escort 4 Door

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