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Old 03-22-2009, 09:27 AM   #10
TurboQueef
Scooby Specialist
 
Member#: 86700
Join Date: May 2005
Location: Otsego, MI
Vehicle:
2005 STI
FP Red:[email protected]

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Quote:
Originally Posted by andya View Post
The P2100 code is caused 90% of the time by the throttle control relay which is mounted with the fuel pump and ASD relay set.. Pass side kick panel by the glove box. It is a round metal relay with the black wire connector.
It is possible for your other code to be set as well if the points are burnt causing a low ripple voltage to the MAP sensor.
Good lead... by chance do you know the part number for this relay? It may be worth a try to just replace it.

Thanks,

Jeff B
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