ECM REPAIR HOW TO

The fuel pump is grounded by the ECM ECU and when it fails it will no longer control the fuel pump. Any help would be appreciated.ДЄnswer: Yes, this is a very common problem with the S550. The part number is A2731535679 and the original control unit part number is A2731535079. The fuel pump will not operate anymore due to a bad computer. Mercedes Dealer is guessing and I just need a proper answer. Dealer replaced: crankshaft sensor, aux battery, fuel throttle, fuel pump, fuel relay, fuel pump. I've Taken it to dealer and spent over $3500 in repairs and now they say another 1400 for the m.e. Please give some enlightment to my dilemma. Lately Ive found it helpful opening the hood and lightly hitting the ECU and apparently that works perfect. When its warm or Ive driven it for 20 to 30 mins my vehicle will not start. When the vehicle is cold it runs like a champ. SCN coding with star diagnostics or Auto Logic for Mercedes Benz will be required if you order a blank ecu. Programming is additional and we will require your original ecu in order to transfer all the information: Vin number, mileage, immobilizer etc.ДЄ2731531191 $1275.00 A2731536591 $1275.00 A2731535679 $1275.00 One of the most common part numbers to fail is A2731535079 ans A2721532579. The programming service we provide will eliminate the need for dealer programming / adaptation. Programming and SCN coding is additional $90.00. If your part number is not listed please call us at 31 to discuss your options. To get started simply locate your S550 computer, part number in the list below. We offer the same quality service as your local Mercedes Benz dealership without the ridiculous price tags. This will ensure that you will not have to go to a dealership for overpriced programming. We offer replacement auto computers and we can flash program your ecm and ignition key. Order a fully programmed S550 ecu for less.

ECM REPAIR HOW TO

S550 ECU REPAIR - CONTACT US - S550 COMPUTER - HOW TO REMOVE ECU

Ecm repair