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2003 chevy trailblazer_ls
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Discussion Starter #1 (Edited)
Hey guys engine light came on and got these codes: P1515, P0105, P1516, P1512. The reduced engine power came on as well and truck won't go over 20 mph. Also weird grinding sound coming from engine. It says replace throttle body. Anybody had these issues?
 

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P1515... TPM..... Control Module Throttle Actuator Position Performance | The Throttle Actuator Control (TAC) system
P0105... BMAP or MAP bad/no/low signal
P1516... Throttle Actuator Control Module Throttle Actuator Position value not expected.
P1512... KOER/KOEO.... the Powertrain Control Module (PCM) detects an incorrect Intake Manifold Runner Control (IMRC) Monitor (valve closed) signal.

I don't see anywhere it says "replace throttle body"
 
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