Code 1542 (Pedal Value Sensor or Throttle Position Sensor) - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 02-24-2009, 01:23 PM Thread Starter
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Code 1542 (Pedal Value Sensor or Throttle Position Sensor)

I have a 98 C43 AMG (a C class with the 430 motor). I have a new MAF sensor, just installed 2 weeks ago. Still I have a throttle problem.

I had it scanned, and the code is 1542. This is a Pedal Value Sensor or Throttle Position Sensor, depending who you talk to.

I called around, and I was told this is part of the "Electronic Gas Actuator Slide Valve" - whatever that is. The dealer said it was $1,500 for the part alone.

Can anyone tell me if they have had trouble with this? And what was the remedy?

The problem: Under hard acceleration (ie getting on the highway), the throttle goes into "safety mode". In other words, you can put the pedal all the way to the floor - it takes a few seconds, and then it gradually accelerates. Once I shut it off, and restart, it resets itself. HELP!
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post #2 of 2 (permalink) Old 02-24-2009, 01:38 PM
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I had the same symptoms with Pedal Position Sensor in my 97 E300D.
The code was different. The sensor (just bigger potentiometer) retailed at $470 but I got it cheaper from Internet dealers.
Good luck.
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