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You could clean the throttle body or check what else I found...

P2104 - Throttle Actuator Control (TAC) System - Forced Idle

P2112 - Throttle Actuator Control (TAC) System - Stuck Closed.

P2104 was set because the pcm had to step in to set the idle. The TAC system is in the failure mode effects management (FMEM) mode of forced idle. P2104 is just an informative code, set because of P2112. P2112 possible causes: Binding throttle body, stuck closed or

Damaged PCM

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16y ago
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Q: What does the 2005 ford F150 diagnostic code p 2104 mean?
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