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» Northern California Ford Owners     » Automotive   » Tech Talk   » new motor won't idle

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Author Topic: new motor won't idle
Don
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I just got my new motor together and it will not idle. [Mad] I tried a different Mass Air but it did not make a difference. [Confused] It surges a couple times and then dies. What else should I look at? [Frown] It runs fine above 1500rpms.

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06 sti 2.5
95 GT 5.2
Posts: 962 | From: Manteca, CA | Registered: Feb 2002  |  :
99gt-UJSTLST
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quote:
Originally posted by Don:
I just got my new motor together and it will not idle. [Mad] I tried a different Mass Air but it did not make a difference. [Confused] It surges a couple times and then dies. What else should I look at? [Frown] It runs fine above 1500rpms.
have you tried your TPS sensor, make sure all connections are good

[ September 26, 2002, 09:05 PM: Message edited by: 99gt-UJSTLST ]
Posts: 2558 | From: SAN JOSE CA | Registered: Nov 2001  |  :
PeNiNsula302
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Check all the wires again. Im no genious, but my bud had the same problem when we were doing a simple bolt on install to the engine and we forgot to plug a sensor back in [Roll Eyes] . Dont let it fool you that it cant be something as simple as this....

[ September 26, 2002, 09:08 PM: Message edited by: PeNiNsula302 ]
Posts: 3423 | Registered: Mar 2002  |  :
90gtverrt
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Also check the idle set screw.......if the idle is too low it will buck and then die

Mike
Posts: 1199 | From: Livermore, CA | Registered: Jun 2002  |  :
Yellow94GT
Mr. 60 FT
Member # 431

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What cam is in the "new motor"? Sometimes it takes a while for the EEC to learn the profile of a new cam.

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AED

1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001  |  :
Don
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It is an E303.

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06 sti 2.5
95 GT 5.2
Posts: 962 | From: Manteca, CA | Registered: Feb 2002  |  :
Yellow94GT
Mr. 60 FT
Member # 431

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So you changed from stock to an E303? Yep, its going to take some time. My EEC didn't want to idle correctly for about 200 miles. You have to keep it alive and just deal with it for a while. If the problem continues, then we can go from there. [patriot]

[ September 27, 2002, 09:52 AM: Message edited by: Yellow94GT ]

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AED

1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001  |  :
PunkINa5.SLOW
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check your grounds

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OUTTA THA DRAMA

R.I.P. MIKE STARKEY MY BABY BROTHER
12/8/77-5/17/03
Posts: 2495 | From: MTZ | Registered: Sep 2000  |  :
PunkINa5.SLOW
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all of them

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OUTTA THA DRAMA

R.I.P. MIKE STARKEY MY BABY BROTHER
12/8/77-5/17/03
Posts: 2495 | From: MTZ | Registered: Sep 2000  |  :


 
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