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Old 07-08-2011, 12:36 AM
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Join Date: Jul 2011
Posts: 1
400se , LH-SFI code, no clue ..

Hello benz lovers am new here ,

I have a big problem , after 36 months i was able to start my car but theres some problems now , is hard to turn the engine on and if i press the gas pedal to fast the car will turn off ,i can note that theres a small misfire or jump once i a while .

I pull some codes and the most importants are these :

Socket 8 :voltage suply for LH-SFI control module interrupted

Socket 17 :magnets for crankshaft position sensor not recognized

I have replace: fuel pumps , Maf , wire harness , fuel pressure regulator , spark plugs , caps , rotors ,crankshaft position sensor , all filter and fluids
including new gas .

Thank you very much i hope you can help me
Ps : is a 1992 400se m119 engine

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Old 07-08-2011, 08:17 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Most likely the fuel needs to be drained & the fuel filter replaced before doing anything else at all!
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Old 06-12-2013, 03:44 AM
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Join Date: May 2013
Posts: 6
Is the problem resolved ?

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