Question about 2002 Mercedes-Benz M-Class
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Posted on Jan 02, 2017
our shop work on alot of ml320 the noise you are describing is a bushing in the rear suspension,on the torque bar.
Posted on Jul 17, 2009
The accelerator is a potentiometer connected to a pedel and the wires go directly to the ECM. If the AWU( accelerator Working Unit) was bad the engine would run constant at 1800-200 rpm. Do any codes come up? I will do some more research and repost.
Posted on Sep 03, 2009
Check your TPS Throttle positioning sensor. Sounds like it has a dead spot in it or it is failing. May also be a wiring harness issue or loose connection at TPS too! If its intermittent then it will soon go out completely. It should be located on your fuel pedal. Remove it and check it with an ohm meter. Check resistance all the way thru from 0-100 percent. When it is not working it should do nothing and show no resistance. When it is working the resistance value will increase and or decrease as you turn the sensor.
Posted on Feb 22, 2010
There is a TSB (Technical Service Bulletin) for this problem:
Engine - Accessory Drive Belt Noise Diagnostics/Tool
This particular vehicle had an issue with pulley alignment, particularly the power steering pulley. Take a look at the shaft the pulley is pressed onto. If the end of the shaft isnt flush with the pulley, it is out of line and will cause a squeal.
It is recommended that you discuss this TSB with your dealer (not local mechanic).
I hope this helps.
Posted on May 19, 2010
Tips for a great answer:
No need to panic rush through this procedure, just do it right. Haste makes waste.
1. Simultaneously depress and release brake and accelerator pedals 1 time.
2. Insert an original Master Key into the ignition but do not turn it.
3. Within 15 seconds depress and release accelerator pedal 5 times.
4. Within 20 seconds depress and release the brake pedal 6 times and remove key.
5. Within 10 seconds insert New Key into ignition but do not turn it.
6. Within 10 seconds depress and release the accelerator pedal 1 time.
7. Now sit and wait for about one minute until the security light in the center counsel stops blinking and turns off.
8. Remove new key and depress and release brake pedal 1 time.
9. Test your key now. It should work if you followed the instructions. If not, you may want to try the following instructions:
This procedure is for 2002 Camry and most other models in this year of Toyota. In the future always give the model as well as year and make. Thanks
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