Wrench Light On - Codes P2111 & P2104 - Ford Mustang Forum
 
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post #1 of 8 (permalink) Old 03-27-2011 Thread Starter
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Wrench Light On - Codes P2111 & P2104

P2111 Throttle Actuator Control System - Stuck Open
P2104 Throttle Actuator Control System - Forced Idle

Will replacement of the TPS solve this issue ?

A couple months ago I noticed erratic idle, cleaned MAF & sprayed a little cleaner in the Throttle Body, seemed to work briefly until today when I went to take the Witchstang out for a Sunday drive, didn't make it out the driveway, threw these codes and went into limp mode.

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post #2 of 8 (permalink) Old 03-27-2011
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I had exact same issue after i retuned it. Turns out that my spring inside of my throttle body poped outta place. I readjusted it into its proper place and it fixed everything, hopefully thats the case this time too

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post #3 of 8 (permalink) Old 03-28-2011 Thread Starter
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Thanks, yes hopefully will be same issue. Do I have to remove the TB from the intake to get to that spring ?

I recently boosted the dead battery after it sat for about 3 weeks last Fri (overpriced Optima POS), ran fine. Then on Sun this problem ocurred. Any coincidence between the two ?

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post #4 of 8 (permalink) Old 04-22-2011 Thread Starter
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Quote:
Originally Posted by hotshot View Post
I had exact same issue after i retuned it. Turns out that my spring inside of my throttle body poped outta place. I readjusted it into its proper place and it fixed everything, hopefully thats the case this time too
Can you please indicate where this spring is ? I pulled the TB off last night, removed the TPS, going to put a new one in. Is the spring inside the housing where that little motor is ? I was told not to tamper with that.

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post #5 of 8 (permalink) Old 04-22-2011
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I had the same problem and the answer is to REPLACE THE TPS (Throttle Position Sensor) which bolts to the passenger side of the throttle body...

There is a definite procedure used to remove the bolts which need a T-20 torq screw bit and your electric drill...

I replaced my TPS which I bought at Autozone for $60.00. Ford wanted $123.00 for the OEM part TPS...

No need to remove the entire Throttle Body...

Dave
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post #6 of 8 (permalink) Old 04-22-2011 Thread Starter
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Quote:
Originally Posted by discofan View Post
I had the same problem and the answer is to REPLACE THE TPS (Throttle Position Sensor) which bolts to the passenger side of the throttle body...

There is a definite procedure used to remove the bolts which need a T-20 torq screw bit and your electric drill...

I replaced my TPS which I bought at Autozone for $60.00. Ford wanted $123.00 for the OEM part TPS...

No need to remove the entire Throttle Body...

Dave
Thanks for the info. I replaced the TPS with the aftermarket version (Standard), but to no avail, it did not fix the problem. The vehicle is doing the same thing; irratic idle (up & down, never smooths out), then throws the dreaded wrench code. I suspect its that Idle Speed Motor on the other side of the TB. Do I replace the entire TB or is there an aftermarket motor available ?

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post #7 of 8 (permalink) Old 08-19-2011
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Quote:
Originally Posted by Witchstang View Post
Thanks for the info. I replaced the TPS with the aftermarket version (Standard), but to no avail, it did not fix the problem. The vehicle is doing the same thing; irratic idle (up & down, never smooths out), then throws the dreaded wrench code. I suspect its that Idle Speed Motor on the other side of the TB. Do I replace the entire TB or is there an aftermarket motor available ?
Did you ever figure out what caused it? Mine just started doing this after I installed a new throttle body :-/
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post #8 of 8 (permalink) Old 11-21-2011
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Djmessick

I am dealing with the same nightmare & I'm hoping we figured it out.. I was told to check the serial number on the e-force & see if it was an older model throttle body + not to mention all the issues with the K&N filter. I will know more soon. Any luck with yours? Happy Holidays to ALL!!!!
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