Question about Mercedes-Benz Cars & Trucks
The light sometimes goes off and comes on again while driving send to a mechanic sorted out the light but comes on after a day
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Posted on Jan 02, 2017
SOURCE: 01 Beetle turbo - ESP light
There must be faults if these lights are coming on. Check these first. (Scanner needed) Sounds alot like a boost hose is pierced or loose. Check all of them from the turbo to the intercooler and then to the motor. Also check closely the intercooler might be pierced too so small you won't see. Check all the clamps are tight around all these hoses. Many times both lights come on if your map sensor on the intercooler isn't getting good readings but rarely is the problem the sensor.
You might have a strange air sound at first then the car will go into limp mode and you loose all power.
If everything is good there check the mass air flow sensor.
Posted on Oct 31, 2008
I had the same issue with my '05 A4 1.8T. Turns out it was the RPM sensor. Audi tried to tell me it was teh fuel pump and the cam-shaft positioning sensor. Paid for teh fuel pump replacement and it died 6 blocks from the dealership. Then they replaced the RPM snesor, works great now... Except it's still an Audi.
Posted on Apr 19, 2009
Sounds like you're not running on all 4 cylinders all the time. Could be one or more dirty spark plugs, bad ignition coils, etc. You'll ruin the engine when you don't get it fixed quickly, even after repairing you might notice a significant hp-decrease.
My advice would be to take it to the dealer asap and have them troubleshoot. Since they can read the faultcodes from the car's ECU, it should give a good pointer to the cause.
Posted on Aug 17, 2009
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