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05 F-150 wont stay running

9K views 5 replies 3 participants last post by  360ci 
#1 ·
ok i have a 05 F-150 4X4 with a 4.6 V8 it starts, but dies after a second or two. it was running fine then just all the sudden would not stay running. the only way it will idle is if i unhook either the throttle position sensor or the throttle actuator. code reader is showing codes 2104 TAC system forced idle, 2111 TAC system stuck open, and 2135 TPS pedal position sensor/switch a/b voltage correlation.
 
#2 ·
I'd start with replacing the TPS and IAC sensors, they can cause several different problems, especially if both sensors are shot.
 
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