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Philip Adler

Frozen Gas Pedal

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This is kind of strange because I don't think what I did yesterday has anything to do with the problem 
I experienced today.

 

Yesterday, I did some routine maintenance on my 1999 Boxster. I changed the air filter.
Added some hydraulic fluid [Pentosin CHF 11S], And tried to change the drive belt, but couldn't
budge the nut on the tension wheel, so I left it for another day.

 

This morning I got in to the car only to find that my gas pedal was frozen. I couldn't push down on it.
If I moved it a certain way [or my foot on the pedal] I could just push it down but the motion wasn't smooth,
and there wasn't any resistance. Either the cable was stuck, or their was too much pressure/resistance to move it.
Driving the car was impossible. I opened everything up to retrace what I've done, but couldn't figure that anything 
I did would affect the pedal.

 

I went over the parts diagram, went to Bentley, started to research on line but their isn't enough on the subject,
pedal mechanism, pedal to engine, how it works, etc. to even start to put scenarios together. Also I can't find enough on 
even replacing the pedal [with another Porsche pedal, not a fancy Rennline].

 

Clutch and shifts are fine.

 

If anyone has run into this situation please help! I'm stumped and have no idea where to begin! Thanks!

 

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As the car is a 1999, you have a cable driven throttle.  I would suggest starting there, disconnecting both ends of the cable and seeing if the problem is in the cable, the pedal, or the throttle body.

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I think you will find the cable has come off the cam on the throttle body. This was what happened to my '99 Boxster when I had the same symptoms.

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