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Old 07-06-2005, 05:57   #1 (permalink)
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frown ford ea 1990

1990 ea ford sudenly has a idle problem
when starting it reves high and slowly returns
accalerate and the revs stays up when driving
you have to brake heaverly to stop need help
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Old 07-07-2005, 08:32   #2 (permalink)
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Re: ford ea 1990

It sounds like your engine is being fed fuel regardless of how much throttle you give it. Check the fuel intake system and the throttle to, it could be sticking. Is the car Single-point or Multipoint fuel injected? If it is multipoint and parts need to be replaced, best get parts designed for an EBII or ED falcon, they should be interchangable, and more reliable.
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Old 07-07-2005, 18:23   #3 (permalink)
Two SC 61's = trouble
 
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Re: ford ea 1990

Leads plugs and cap o/k?
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Old 07-08-2005, 02:13   #4 (permalink)
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Re: ford ea 1990

its not a sticky accelerater cable is it?
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Old 03-23-2006, 00:44   #5 (permalink)
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Re: ford ea 1990

Try resetting your isc motor, i had the same problem when i disconnected the battery.The ea through to the ed are bad for it!
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Old 03-28-2006, 18:47   #6 (permalink)
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Re: ford ea 1990

I also expect that the problem would be in the idle speed contoller.

I had the same problem when I had a '90 EA. It got so bad that I would have to brake heavily against the engine to stop the car... then, after stopping, the revs would sometimes drop off totally and the car would stall. Then it was a pain in the rear to start it again, cos it would just rev for a second, then die again.

Can't remember accurately, but I think the ISC stepper motor ended up getting replaced.

Best bet is to take it to an auto-electrician so they can tell you for sure what's happening.
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