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» Northern California Ford Owners     » Automotive   » Tech Talk   » New motor is in but car idles funny when I press the clutch pedal.

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Author Topic: New motor is in but car idles funny when I press the clutch pedal.
WhiteGT306
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The car is a 1990 GT 5.0 and we just finished installing a completely stock 5.0 motor out of another 1990 5.0 GT. The car runs fine but the only problem is that when I press the clutch pedal the cars idle goes way down and sometimes shuts off. Also everytime I start the car the idle jumps up to 3500RPM's and eventually it comes back down to 900 RPM's. Not sure if the two problems are related.Thanks

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1990 White GT

Posts: 24 | From: San Jose | Registered: Nov 2004  |  :
GOTULKN
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had the same prob with my car..... turned out tp be the nuetral safety switch on my pedal

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Happiness is being stroked and blown

Posts: 732 | From: Nor Cal | Registered: Oct 2004  |  :
166 Merlo
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u got a good ground?

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'89 - Boss Coupe
'70 - Drop Cutthang
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Posts: 3954 | From: Thebay | Registered: Jul 2002  |  :
CDT
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might want to do the minimum idle procedure

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Custom Dyno Tuning
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Posts: 1053 | From: Hayward | Registered: Nov 2004  |  :
Eddie510-
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quote:
Originally posted by Mr JoCo:
u got a good ground?

good question joe. hey dude . i had the same problem with my shit when i instaled my motor also. ill start up the car and it idels arond 3k rpm. and then if you put the clutch in it would idle normal. lol. and no one knew what it was. then i sold it and dude found out that i diddnt connect this ground and problem was fixed!so you should check it out dude [patriot]

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"I like to be more politicaly correct than what I really believe so I can get more frinds here on CaFords"-Cummings "TIPICKLE"

Posts: 6556 | Registered: Jan 2003  |  :
WhiteGT306
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Thanks for the help.

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1990 White GT

Posts: 24 | From: San Jose | Registered: Nov 2004  |  :
Eddie510-
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so did you fix it?what was it? [patriot]

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"I like to be more politicaly correct than what I really believe so I can get more frinds here on CaFords"-Cummings "TIPICKLE"

Posts: 6556 | Registered: Jan 2003  |  :


 
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