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Flat spot 

 

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 Post subject: Flat spot
Posted: Fri Feb 02, 2007 6:26 pm 
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Hi All,
Just put in a xr6 ecu the car ran great for a week. Now the car has a flat spot on acceleration this happens more in the morning. Has any one got any ideas what could be the problem?

 

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Posted: Fri Feb 02, 2007 11:43 pm 
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I used to have the same problem in my EB. Not that that helps you...

 

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Posted: Fri Feb 02, 2007 11:51 pm 
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May need to clean the throttle body and the ISC valve. ????

 

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Posted: Sat Feb 03, 2007 12:03 am 
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Where is the ISC valve?

 

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Posted: Sat Feb 03, 2007 12:24 am 
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On top of the throttle body. Idle Speed Control Valve.

 

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Posted: Sat Feb 03, 2007 9:06 am 
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THe car idles fine it is when I take off fast or slow.

 

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Posted: Sat Feb 03, 2007 9:11 am 
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replace your leads & spark plugs to eliminate the possibilities.

 

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Posted: Sat Feb 03, 2007 10:38 am 
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First things first, reset it again.

 

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Posted: Sat Feb 03, 2007 6:48 pm 
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xr6 comp calibrated for different exaust valve sizes ?

 

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Posted: Sun Feb 04, 2007 1:28 pm 
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vibr8n wrote:
xr6 comp calibrated for different exaust valve sizes ?
nope dont think so

 

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Mods going on: Nizpro springs, bosch 040 pump + Walbro gss341, 600cc injectors, PWR transcooler, 20% Underdrives, 15psi Actuator, Kingspring SSL's, 15psi tune.....More coming

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Posted: Sun Feb 04, 2007 8:12 pm 
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Plug your old ECU in and run it for a few days, just to confirm it is/isn't coincidental with the ECU change.

 

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