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Old 07-07-2007, 13:01   #1 (permalink)
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96 Escort RPM problems

Hello,

I have a problem with my 96 Escort. It has a 1.9 in it. When I touch the gas the RPM's go to 3000 and stay there for about 6 sec. When the RPM's come back down the car wants to stall. Once in a great while the car has no power. I have to unplug the idle air control valve and it will go again but, won't idle. It still has the RPM problem. About 10 miles down the road, when I'm sick of stalling at stop signs I will plug it back in and it is normal besides the RPM's, this stays consistant.

That is my problem. This Is what I did to try to fix it. Changed the throttle positioning senser, idle air control value, mass air flow senser, fuel filter, cleaned the throttle body, sprayed down all the vacuum lines, intake, and injecters with ether. Found no leaks. There is no light coming on in the dash, only when I unplug my idle air control valve. I had two mechanics look at it and, had two scanners hooked up to it. All with no luck.

Now I'm leaning toward the map senser or the brain (computer). If any one has had this problem I would LOVE to hear how you fixed it. This is the only problem I have had with this car and 35 MPG is hard to give up.
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Old 07-08-2007, 19:12   #2 (permalink)
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Re: 96 Escort RPM problems

If its not a vacume leak its probably a faulty ecu.. I recomend getting a used one from ebay, or a junkyard if there are any close to where your located.
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Old 07-08-2007, 19:20   #3 (permalink)
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Re: 96 Escort RPM problems

What is an ecu?
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Old 07-09-2007, 10:05   #4 (permalink)
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Re: 96 Escort RPM problems

ecu= electronic control unit or the "brain" of the engine. Also check electronic conections under the hood for corrosion expecialy fuel injectors. Is there any hesitation/sputtering, or does black smoke come out the exhaust when this happens?
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Old 07-09-2007, 13:08   #5 (permalink)
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Re: 96 Escort RPM problems

Thanks for explaining that. The fuel injectors seem to be fine. No hesitation/sputtering or black smoke. This mourning that lack of power thing happened. I stalled it and when I started it back up it was fine except the RPM's. So I'm thinking the ecu rebooted. I'm going to try that next. Thanks again.
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Old 01-06-2009, 07:01   #6 (permalink)
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Re: 96 Escort RPM problems

I'd like to get that gas economy. My 95 1.9 can only get around 26. It has that goofy loopy idle issue as I see is common here, and a speedo that bounces around while driving, and an overheat problem that is common too.

I don't trust the fuel guage readings - it might be off.

Quote:
Originally Posted by clickduck View Post
Hello,

I have a problem with my 96 Escort. It has a 1.9 in it. When I touch the gas the RPM's go to 3000 and stay there for about 6 sec. When the RPM's come back down the car wants to stall. Once in a great while the car has no power. I have to unplug the idle air control valve and it will go again but, won't idle. It still has the RPM problem. About 10 miles down the road, when I'm sick of stalling at stop signs I will plug it back in and it is normal besides the RPM's, this stays consistant.

That is my problem. This Is what I did to try to fix it. Changed the throttle positioning senser, idle air control value, mass air flow senser, fuel filter, cleaned the throttle body, sprayed down all the vacuum lines, intake, and injecters with ether. Found no leaks. There is no light coming on in the dash, only when I unplug my idle air control valve. I had two mechanics look at it and, had two scanners hooked up to it. All with no luck.

Now I'm leaning toward the map senser or the brain (computer). If any one has had this problem I would LOVE to hear how you fixed it. This is the only problem I have had with this car and 35 MPG is hard to give up.
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