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1993 ford aerostar idles high
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robertpatriquin
New User
May 1, 2010, 6:53 AM
Post #1 of 6
(1935 views)
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1993 ford aerostar idles high
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I have a 1993 ford aerostar that when first started will idle rough ,but when it gets to operating temperature it idles high and when I try to restart it will not. I have replced fuel filter and vacuum lines with no success
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Hammer Time
Ultimate Carjunky
/ Moderator
May 1, 2010, 7:28 AM
Post #2 of 6
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Re: 1993 ford aerostar idles high
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Is the check engine light coming on at all?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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robertpatriquin
New User
May 1, 2010, 8:57 AM
Post #3 of 6
(1920 views)
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Re: 1993 ford aerostar idles high
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yes the engine light does come on
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nickwarner
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/ Moderator
May 1, 2010, 9:21 AM
Post #4 of 6
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Re: 1993 ford aerostar idles high
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what are the codes?
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robertpatriquin
New User
May 1, 2010, 9:25 AM
Post #5 of 6
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Re: 1993 ford aerostar idles high
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I don't have any codes nor do I know how to retreive them
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nickwarner
Veteran
/ Moderator
May 1, 2010, 11:32 AM
Post #6 of 6
(1911 views)
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Re: 1993 ford aerostar idles high
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the connector is under the hood near the master cylinder. It is black and probably says something like EEC-IV on it. You need an OBD-1 scanner with a Ford adapter. There are two tests, KOEO and KOER. They stand for key on, engine off and key on, engine running. The KOER test needs the engine warmed up first. Do the KOEO test first, followed by KOER. That will tell you the codes that are present. With the problems you are having we need those codes or its like walking around a house in the dark.
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