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  #1  
Old 09-20-2006, 11:43 PM
 
Join Date: Sep 2006
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Default Pedal position sensor

I have a 2000 s80 t6 and recently I have been getting a obd code of p0121, pedal position sensor. Is this related to the AMF or the throttle box? Is this a DIY fix.
Thanks,

Andy
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  #2  
Old 09-21-2006, 12:28 AM
 
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Default RE: Pedal position sensor

Sorry for not having an answer, but it never ceases to amaze me how many freaking sensors there are in this car! [:-]

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  #3  
Old 09-21-2006, 08:40 PM
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Default RE: Pedal position sensor

Is that in the engine or ABS?

Does it say Brake pedal sensor?

My cheater book says it is throttle position sensor related to the throttle body.
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  #4  
Old 08-05-2007, 03:44 PM
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Default RE: Pedal position sensor

i found out i have a brake pedal position sensor fault. my question is why would it turn on a "check engine light'? how are they related?
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Old 08-05-2007, 04:24 PM
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Default RE: Pedal position sensor

As Tech said, P0121 is a throttle sensor code. The check engine light comes on because the throttle unit requests it to alert the user.

How you have a brake pedal sensor fault with that code is a mystery.
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1987 744GLE, Manual.
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1994 940T Wentworth, Auto.
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  #6  
Old 08-05-2007, 04:47 PM
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Default RE: Pedal position sensor

I dont know the code for brake pedal postion sensor. According to the mechanic yesterday, when he scanned the codes with hookups to his laptop, he found a faulty mass airflow sensor . Mass airflow was replaced. The other fault showed brake pedal position sensor fault. He cleared the check engine light,which came back on later in the day, which most likely would be brake pedal postion sensor.My question is ,why would it turn check engine light on? How are they related.
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Old 08-05-2007, 04:57 PM
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Default RE: Pedal position sensor

Because if that sensor is bad it cuts the cruise control off.
That is how it is related to the engine module.
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  #8  
Old 08-05-2007, 05:04 PM
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Default RE: Pedal position sensor

Thank You Tech for your info, greatly appreciated! Keep up the good work!
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  #9  
Old 08-06-2007, 01:30 PM
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Default RE: Pedal position sensor

Do you know where the brake pedal position sensor is located and approx. price? Also what obd code p1181&p1171 means? Thank You
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  #10  
Old 08-06-2007, 06:10 PM
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Default tranny shudder

Forgot to mention transmission shudders between 2nd & 3rd gear.I called the volvo dealer about soft ware update, he said since there is no recall, it will cost $160.00 if soft ware is accepted. .If not accepted around $90.00. I understand there is Tech Service Bulletin on this numerous issue, why volvo won't cover the cost is disturbing. How often is it an sth issue, from your experience? The issue of soft ware acceptence or non acceptence, what does that mean? Thanks
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Old 08-06-2007, 06:10 PM
 
 
 
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2000, 25tdi, accelarator, boxer, brake, p0121, pedal, peugeot, position, repair, s80, sensor, throttle, volovo, volvo


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