5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

idle problems

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Old

10-20-2009, 04:12 PM

#1

macdaddy1989

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Join Date: Oct 2009

Location: South Carolina(stationed in CO)

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idle problems

I have an 89 gt that idles fine when cold and check engine light on, but when warm and check engine light off, idles at 2000 rpm. I have already changed EGR valve, EGR position sensor, throttle position sensor and IAC. I have also cleaned the MAF. What do you think could be the problem?????

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Old

10-20-2009, 07:30 PM

#2

street dreams cc

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Location: NY

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whats the light on for? is there any vac. leaks anywhere?

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Old

10-21-2009, 07:03 PM

#3

macdaddy1989

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Location: South Carolina(stationed in CO)

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yes i just found one on the vac solinoid. maybe thats the prob i check thanks

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1995, 2009, 50, 89, check, cold, engine, ford, gt, idle, light, mustang, problem, problems

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