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P2104 Diagnostic Trouble Code Discussion for July 2010

ETC System Malfunction - Forced Idle


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Trouble Ticket Help Requests for DTC P2104
Help Request Posted
2004 Mercury Mountaineer 4.6L Poor Idle Quality, MIL Lamp on VIN: 4M2DU86W44
P2104: TAC system forced idle. vehicle came in with no gas pedal response "check engine" & wrench light on - has same codes & same problem as previously repaired for but now no 5volt reference to TPS or APP sensors. checked all powers & grounds to PCM & also resistan...
July 28, 2010
2004 Mercury Mountaineer 4.6L Poor Idle Quality, MIL Lamp on VIN: 4M2DU86W44
P2104: TAC system forced idle. vehicle came in with no gas pedal response "check engine" & wrench light on - has same codes & same problem as previously repaired for but now no 5volt reference to TPS or APP sensors. checked all powers & grounds to PCM & also resistan...
July 28, 2010