Join Now
International Automotive Technicians Network

P2104 Diagnostic Trouble Code Discussion for September 2013

ETC System Malfunction - Forced Idle


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P2104
Help Request Posted
2008 Mercury Grand Marquis GS 4.6L No Start VIN: 2MEFM74V28
P2104: Tac system forced idle. ... tire blowout causing damage to the main harness,another shop tried to repair and did not have any luck. I removed the main harness from the left wheel well area and went thru every wire that was damaged and repaired them correctly.Alot of wires were damage...
September 18, 2013
2006 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on, No power VIN: 1FTNF21576
P2104: Throttle Actuator Control System - Forced Idle. ... complaint- yep no throttle control, Truck is running just over 1000 rpm and rough idle- seems to be missing. I looked at the cylinder contribution test and every cylinder was missing intermittently- seems to follow a pattern almost 2 cyl then 2 more and so...
September 24, 2013
2008 Mercury Grand Marquis GS 4.6L No Start VIN: 2MEFM74V28
P2104: Tac system forced idle. ... tire blowout causing damage to the main harness,another shop tried to repair and did not have any luck. I removed the main harness from the left wheel well area and went thru every wire that was damaged and repaired them correctly.Alot of wires were damage...
September 18, 2013
2006 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on, No power VIN: 1FTNF21576
P2104: Throttle Actuator Control System - Forced Idle. ... complaint- yep no throttle control, Truck is running just over 1000 rpm and rough idle- seems to be missing. I looked at the cylinder contribution test and every cylinder was missing intermittently- seems to follow a pattern almost 2 cyl then 2 more and so...
September 24, 2013