This is topic new motor won't idle in forum Tech Talk at Northern California Ford Owners  .


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Posted by Don (Member # 938) on :
 
I just got my new motor together and it will not idle. I tried a different Mass Air but it did not make a difference. It surges a couple times and then dies. What else should I look at? It runs fine above 1500rpms.
 

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Posted by 99gt-UJSTLST (Member # 584) on :
 

quote:

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Originally posted by Don:
I just got my new motor together and it will not idle. I tried a different Mass Air but it did not make a difference. It surges a couple times and then dies. What else should I look at? It runs fine above 1500rpms.

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have you tried your TPS sensor, make sure all connections are good

[ September 26, 2002, 09:05 PM: Message edited by: 99gt-UJSTLST ]
 

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Posted by PeNiNsula302 (Member # 1061) on :
 
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 . Dont let it fool you that it cant be something as simple as this....

[ September 26, 2002, 09:08 PM: Message edited by: PeNiNsula302 ]
 

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Posted by fiveohmike (Member # 1437) on :
 
Also check the idle set screw.......if the idle is too low it will buck and then die

Mike
 

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Posted by Yellow94GT (Member # 431) on :
 
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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Posted by Don (Member # 938) on :
 
It is an E303.
 

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Posted by Yellow94GT (Member # 431) on :
 
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.

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

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Posted by PunkINa5.SLOW (Member # 10) on :
 
check your grounds
 

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Posted by PunkINa5.SLOW (Member # 10) on :
 
all of them
 

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