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Tramies

Portola Valley, CA

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Question Answered: 

Hal is right...Is it a AAA battery? Not quality battires! Tom www.pvgarage.com


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Question Answered: 

An idle valve will not keep a car from starting. It controls air, not fuel or spark. ECU is very rare to cause an intermittent no start. You need to see if your no start is from lack of spark or fuel. Do you know how to do this? Do you have a test light? I would check for power on the coil with key on and then cranking. When not cranking, both sides of the primary side of the coil should be hot. when cranking, one side should stay hot and the other should pulse or blink. If both sides stay "hot" and don't blink, I would suspect a bad Hall sensor in the distributor...see http://www.youtube.com/watch?v=jJmqdhhduVc


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Question Answered: 

Exactly what Pushrod said. It has to be scanned to extract codes. Is it 4WD? The front wheel bearings can make the ABS light come on when they get excessive play. Also there are problems with the 4WD selector switch on the dash.


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Question Answered: 

Dumb question..Have you tried another key??? If yes... Professor G is correct. Don't do it yourself.


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Question Answered: 

If it is an aftermarket system then yes


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Question Answered: 

You need someone who has a factory scanner. We have the DAS tester and Autologic If you are in Burlingame, I believe Holland Car Care can help.. If not we can http://www.autologic.com/en-us/pages/homeproducts/autologic-solution/mercedes-benz-diagnostics


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Question Answered: 

What is the code on the smog report? It would be POXXX


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Question Answered: 

Have you checked fuel pressure? What is the fuel trim?


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Question Answered: 

Is the "Check Engine" light on when it is running? Common problem is the coolant temp sensor, usually a code is in the system for it.


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Question Answered: 

Vehicle is over-fueling. I would check vacuum hose that goes to the "map sensor"sor Fuel pressure regulator could also be sticking http://images.search.yahoo.com/search/images;_ylt=A0oG7m2S5otRa1UA4MRXNyoA?p=gmc+van+map+sensor&fr=robo&fr2=piv-web


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