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OBD codes p2104 and p2111

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Old 04-17-2011, 02:45 PM   #1
coal miner
 
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OBD codes p2104 and p2111

I have these 2 codes showin up on my scanner, my explorer will not even hit when i try to start it, p2104 is TAC system forced idle, and p2111 is TAC system stuck open, ive took the throttle body off and cleaned it, replaced the throttle position sensor, anyone else know of anything else it could be before i go buy a new throttle body

THANKS
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Old 04-17-2011, 03:12 PM   #2
2002GreyHD150
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what year, model/trim, & engine? 2wd, 4wd or AWD?

Some Ex/Monty's have a traditional IAC which is a small cylinder attached just after the TB on the intake or intake elbow.

'04-'05 4.6L have a drive-by-wire (DBW) TB. these have the IAC built into the TB.

we need more info as to what you have, mileage, etc.

Rob
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Old 04-17-2011, 03:14 PM   #3
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its a 2004, 4.0, SOHC, 65,000 miles, 4wd,
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Old 04-17-2011, 03:24 PM   #4
2002GreyHD150
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roughly 10 posts down on the main page.

http://www.explorerforum.com/forums/...d.php?t=313893

very common needing a good cleaning & fresh gasket.

its not the TB itself its how it gets air to idle... Throttle Air Control or Idle Air Control, essentially the same thing. If you take the IAC off & can move the lil plunger by your finger, its likely ok. clean the IAC and the ports where it bolts to.

Rob
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Old 04-17-2011, 06:37 PM   #5
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my explorer does not have the IAC
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Old 03-14-2013, 07:23 PM   #6
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I have a 2004 Mercury Mountaineer 4.0 v6 AWD no Flex Fuel. today on the interstate I entered fail safe mode. I pulled over to the side and the engine died out and would not start back up. I had it towed. the codes read p2111 throttle body stuck open. another code read P2104 Throttle Actuator Control System Forced Idle and P2135 Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation
P2106 Throttle Actuator Control System - Forced Limited Power

Any idea what this couple be. Im thinking Throttle body needs replacing, as do some of my friends. We are not mechanics obviously.

Thanks in advance for your advice.
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Old 03-14-2013, 09:52 PM   #7
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Your throttle position sensor is probably fried. It's just plastic and a little spring so it is pretty fragile. I'd start there.




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Old 03-15-2013, 01:24 PM   #8
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just got throttle body replaced. codes went away and it started right up. It rides better than it did before.

Thanks for your advice!
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