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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: Shudder in GT4
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Sun, 08 May 2005 00:58
 
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I don't think this is a fault at all.
The ECU has control over:
-ignition timing
-boost limit
-fueling etc.
So if Toyota wanted to protect the engine whilst it was cold they could easily program the ECU to retard timing, limit boost and dump more fuel into it.
People who change over to aftermarket management don't seem to experience this problem... it could still be a fault with the AFM as 99% of people who go over to after market management would ditch the AFM in favour of a MAP sensor, however, I don't think it is likely for the AFM to be causing this problem.
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