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Ask Ronnie Your Own Question
Ronnie, ASE Certified Technician
Category: Subaru
Satisfied Customers: 35599
Experience:  35 years as an ASE tech
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Ron this is with the 2006 2.5 t/ sti. after running the

Customer Question

Ron this is jerry with the 2006 2.5 t/b sti. after running the relearn 5 times the engine will run but surges and on throttle response I can disconnect the throttle body and the engine will idle at 1100 rpm and the throttle will respond only to 2200 rmp.
this rebuild has stage 2 cam shafts I have done 3 of the rebuild and have not had this problem after relearn steps thank you for your help
Submitted: 2 years ago.
Category: Subaru
Expert:  Ronnie replied 2 years ago.

Jerry , is the computer setting and fault codes?

Customer: replied 2 years ago.
fault codes
Expert:  Ronnie replied 2 years ago.

What codes are you getting?

Customer: replied 2 years ago.
p0107 p2109 p201 p0202
Customer: replied 2 years ago.
iam using a OBD 2 scan tool
Expert:  Ronnie replied 2 years ago.

The code P0107 indicates a low signal from the MAP sensor.

The code P2109 is indicating that the Throttle Position Sensor voltage did not return to the same spot under closed throttle. See the steps to check it in the link below.

Im not find any reference to the codes P0201 and P0202 and they may be due to disconnecting the TB while its was running. See if you can get the other codes resolved and see what resets.