2005 Mustang V6 TPS and ODB II codes - Ford Mustang Forum
 
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post #1 of 9 (permalink) Old 03-17-2011 Thread Starter
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2005 Mustang V6 TPS and ODB II codes

This is my first post and the Mustang is my mom's.

My mom call me that her Mustang stalled a couple times and she went to the nearest parking lot. She tried to start it and it would stall right away several times. I went to get a can of gas just to be sure she was not empty. I was able to start it up and the check engine light, wrench light and limp mode(?) light was on. I turned it off and waited a few minutes to start it again and this time only the check engine light was on. I drove it home and hooked up my ODB scanner and got the following codes: P2104, P2106, P2111, P2112, and P2135. All the code were related to throttle actuator control system and throttle position sensor.

I went to Advance Auto and got a new TPS. I disconnected the battery cable first, unplugged the sensor and removed the 2 screws. I put the new one on, plugged in the sensor and connected the battery. I tried to start the car and it would run for about 2 seconds and stall. I connected the scanner again and got the following codes: P061F, P2104, P2106, and P2111.

What did I miss or do wrong? A couple forums I researched suggested a PCM flash. If I have to do a PCM flash, what is it and how do I perform one?

It is a stock V6 convertable, no mods at all.

Mike


2005 V6 convertable auto trans
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post #2 of 9 (permalink) Old 03-17-2011
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Okay, well. I've got the 2006 V6 as well. I'm not exactly sure what a TPS is lol. I'm not the most car literate, but I know that with the wrench light; my car just needed the sensor on the side of the throttle body. I replaced the throttle body, the motor, and wiring before I realized I needed the sensor. I'm reasonably sure its just the sensor that lets the computer know where the valve is. I would try a Ford dealer, I haven't had much luck with reliability sensors from parts "specialists" on main street. I'd go to a Ford dealer and tell them that you need the sensor on the side of the throttle body.


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post #3 of 9 (permalink) Old 03-19-2011 Thread Starter
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TPS is throttle position sensor. I called my mechanic and told him what happened and what the codes were. He told me to check the gas pedal as it may have a postion sensor also.

2005 V6 convertable auto trans
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post #4 of 9 (permalink) Old 03-19-2011
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kinda sad that a foot pedal needs a sensor isn't it?? pretty soon we're gunna have sensors that detect if we like the radio station we're listening to or not and automatically change lol

2006 Mustang V6 Pony Package Vista Blue with a 5-speed (Michele)
Go: BBK 70mm throttle body, BBK CAI, single custom exhaust (maxflow muffler) with polished 4" tip, SCT Tuner w/ 91 RT, SR TB Spacer, Custom made cold air bucket, Spec Stage II Clutch and SF66A Flywheel
Show: White rocker stripes, Kaenen Mach 1 Style hood, painted underhood parts/covers, Muffler tip, white stripes after heat reduction ports.
Own but not insalled- Polished Shorty Headers
Future-looking for 2007-08 F150
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post #5 of 9 (permalink) Old 03-19-2011
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Quote:
Originally Posted by Mike2005V6 View Post
TPS is throttle position sensor. I called my mechanic and told him what happened and what the codes were. He told me to check the gas pedal as it may have a postion sensor also.
it does have one

05 V6 auto,
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post #6 of 9 (permalink) Old 03-19-2011 Thread Starter
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Thanks for the info amustangrocks

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post #7 of 9 (permalink) Old 03-20-2011
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Quote:
Originally Posted by Duane2009 View Post
kinda sad that a foot pedal needs a sensor isn't it?? pretty soon we're gunna have sensors that detect if we like the radio station we're listening to or not and automatically change lol

In the old days your gas peddle was connected with a cable and spring to your carb/throttle body. It was a mechanical connection, you pressed the peddle which pulled the cable that opened the throttle body and you accelerated. When you lifted your foot off the pedal the spring returned the accelerator pedal back to idle.

Many of today's cars have drive-by-wire systems. In short the cable is gone that connected your accelerator to the throttle body. There is a sensor on the gas pedal to sense how far your pressing it. That sensor in turn communicates with a sensor on the throttle body to tell it how much fuel to inject into the engine.

It's obviously more complex than the old days, and like anything that's controlled by software it's only as good as it's been tested (i.e. the claims against Toyota for unintended acceleration).

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post #8 of 9 (permalink) Old 03-22-2011
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Yea, I would much prefer a cable than a sensor that can go wrong. Because everything is built on top of everything else when you bring electronics into the mix. A cable can just be replaced, but look at this situation, the reader tells you its something with the throttle body; okay, well, is it the throttle body itself? does it need cleaned? does it need a new motor? does it need a new sensor? do you need to work on the pedal? is there a short in the wiring? is the computer just confused? all these variables come to light when things are electrified and controlled electrically. Hence, this is why some of the old clunkers are still clunking lol. They use mechanical controls which are fool proof unless its got 200k and its worn or you broke the cable (100k or more from my experience). now, look at my car; 60k and the tps went out, my thermostat housing is cracked (stupid plastic), and I think my pedal is starting to wonder if I'm actually pushing on it or not (revs up to 2k sometimes when I'm not near the accelerator).

2006 Mustang V6 Pony Package Vista Blue with a 5-speed (Michele)
Go: BBK 70mm throttle body, BBK CAI, single custom exhaust (maxflow muffler) with polished 4" tip, SCT Tuner w/ 91 RT, SR TB Spacer, Custom made cold air bucket, Spec Stage II Clutch and SF66A Flywheel
Show: White rocker stripes, Kaenen Mach 1 Style hood, painted underhood parts/covers, Muffler tip, white stripes after heat reduction ports.
Own but not insalled- Polished Shorty Headers
Future-looking for 2007-08 F150
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post #9 of 9 (permalink) Old 05-05-2011
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TPS Calibration

I just had this same problem with my stang. I replaced the TPS and found out that there was a newsflash sent to mechanics that when replacing the TPS the car will need to be calibrated to update the computer programming. Thought this might help with someone having problems after installing the TPS.
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