Question about 1989 Ford Mustang

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1989 mustang gt starts revs really high then dies

The car will be hard to start have to give it gas but when it does start it revs to about 4k rpms and then dies. The longest it has lasted is about 15 seconds

Posted by eddie madrigal on

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1 Answer

Marty Veach

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  • 53 Answers

Sounds like the idle control valve. The same thing happened to my Mustang and that was my problem.

1989 mustang gt starts revs really high then dies - 1_15_2013_4_59_36_pm.jpg

Posted on Jan 15, 2013

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5 Related Answers

Anonymous

  • 398 Answers

SOURCE: Cold days 94 f-150 high rpm start

probably is a emissions sensor problem, lots of these parts are plastic. check out the throttle cables, lub em wd40. there is a type of valve somewhere on top of engine, it may be cracked, pcv valve stuck. lots of possibilities, almost too much for solution online. something emmissions with an electronic sensor is acting up.

Posted on Feb 25, 2009

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Anonymous

  • 95 Answers

SOURCE: 1994 mustang gt cuts out

have you been tuning it? look for the vacuum hose you knocked off.

Posted on Mar 20, 2009

Anonymous

  • 10 Answers

SOURCE: 1985 ford f250 351 runs then dies

you could put in a balest resistor on the positive wire going to your coil it will keep the coil from geting hot trust me it works

Posted on Jun 29, 2009

Anonymous

  • 18 Answers

SOURCE: engine starts but will not idle, i give it gas but will not sustain in running afyer 2 seconds engine dies

check all spark plugs and wires also check mass air flow senser located on intake tube if all is still in good working condition check the throttle position sensor if that is good then it may be your fuel pump please update when possable.

Posted on Aug 07, 2009

Anonymous

  • 18 Answers

SOURCE: Hi, I have an 86 Mustang GT. At idle the engine

It could be your idle air bypass valve. They get sticky with age and don't let enough air around the throttle body to keep the car running when it's at idle.

Posted on Mar 01, 2011

Testimonial: "Hi Nick, I took it apart and soaked it with intake cleaner spray and it worked! I also replaced the gaskets in the throttle body. Thank you. :-)"

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