5/29/2023 0 Comments Cen tech obd ii update drivers![]() ![]() Gear Selector Module. If you don’t see the gear indicator on the instrument cluster change from letters P to R to N when you move the shifter from Park to Reverse to Neutral, then it’s more likely that the gear selector module is defective.įuel issues. To check, make sure you have a fuel pressure gauge that has a Schrader valve adapter. ![]() ![]() You have to turn off the engine and connect the gauge to the Schrader valve test port. Once connected, start your engine and make sure you get around 60 psi that way even if you turn off the engine, the pressure is steady.Īlso, check the status of your fuel pump and the fuel pump relays. You should hear the fuel pump run every time someone turns the key in your ignition to position 2. If you don’t, then the issue is on your fuel pump.Įnsure that the fuel filter is also replaced as old ones tend to get clogged up.Ĭheck engine fault codes. Check the code that your Mercedez Benz will display using an OBD1 or OBD2 scanner, depending on the model of your Mercedes Benz.
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