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  Australian Politics Forum › General Discussion › Chat › Car - Auto and Diff fluid changes
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Car - Auto and Diff fluid changes (Read 3895 times)
Sprintcyclist
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Re: Car - Auto and Diff fluid changes
Reply #30 - May 2nd, 2015 at 9:25pm  

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....Ammar was able to recreate the bouncy RPM problem by disconnecting his throttle body wire. He already cleaned the throttle body the day before,... but there was already quite a bit of oil there (car has about 212,000 km),... so we cleanned it again with CRC ThrottleBody cleaner.

Bouncy RPM could also be caused by oil in main wiring harness from leaking cam sensor getting to sender unit of post cat O2 sensor. Bouncy RPM could also be caused by bad or dirty MAF sensor. Cam sensor magnet has been changed and pig tails installed and there is no sign of any leaking oil,... main wiring harness plugs are clean at ECU. We took the MAF Sensor out of and cleaned it with CRC MAF Sensor Cleaner,.... MAF Sensor was reasonably clean to start with but there was quite a bit of oil downstream in the tubes closer to that infamous %#@*& clamp.


Read more: http://mbworld.org/forums/c-class-w203/454900-car-revving-up-down-no-throttle-response-po120-2.html#ixzz3YymnYSt3.............


http://mbworld.org/forums/c-class-w203/454900-car-revving-up-down-no-throttle-re...

A spray of 'throttle body cleaner' sounds a cheap try
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Modern Classic Right Wing
 
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Sprintcyclist
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Re: Car - Auto and Diff fluid changes
Reply #31 - May 2nd, 2015 at 9:43pm  

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Got my ride back today....it was the airmass sensor that was causing the revs.....got that switch out to a new one and it seems fine now....The guy at the dealers didnt really know how to explain the reason for the perculiar behavior but he said that it was the massair sensor that messed up the throttle....so as long as everythings fine, im happy now


http://www.benzworld.org/forums/w204-c-class/1389598-help-engine-revving-its-own...

I have heard of 'air mass sensors ' causing problems.
Though that'ld be a more permanent fault.

I don't think this solution is correct
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Annie Anthrax
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Re: Car - Auto and Diff fluid changes
Reply #32 - May 3rd, 2015 at 9:18am  
Sprintcyclist wrote on May 2nd, 2015 at 9:16pm:
theres a few other causes for it there.

maybe moisture got in somewhere with the rain.
Can you leave it in the back yard when the sun is out tomorrow with the bonnet, doors and boot open and let it all 'dry out' for 3 hours ?


Thank you for your help, Sprint. It's outside now in the sun, but I hadn't thought about opening the bonnet. I'll do it now.

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