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The P0507 is for the idle speed being too high (possible causes are throttle valve is sticking or there are leaks in the air intake system).
Is your code reader a basic model, or did it tell you which code set the CEL? The other codes are fuel trim related, so if you're having an intake leak (past the MAF sensor) then the fuel trim is going to show that it's compensating for the lean condition by forcing the fuel trim to be rich (in order to balance out things).
P1128 is for Bank 1 being adjusted rich due to a lean condition at idle. P1130 is for Bank 2.
The easiest thing to do is to check for vacuum leaks first before ripping into things.
Don't reset the codes -- let the DME reset them after it does its testing.
DME = Engine Mgt Computer.
Regards,
paul...
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07 Boxster S, 03 MB E320 (wife's car), 10 Subie Forester X
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