

If left untreated the faulty ECU will become the cause of the BMW E90 not starting and communications to the engine management system may become impossible. Can a faulty ECU cause a BMW E90 not to start? The voltage at the analog input pin has been below the Error Low voltage for longer than one second.

Sensor voltage is going to 0V as part of normal operation but low voltage fault detection is not disabled (Error Low). If the problem goes away then the problems is with the pump and if it remains the misfiling device will need to be checked.

This problem can arise with older pumps where the nozzles are worn down or may be of the wrong size and do not press the release pins. Error Low setting incorrect.Ĭommon failure of the FRM3 footwell module will prevent ‘body’ functions from working such as headlights, indicators, hazards, heater/AC and more… This engine ECU for the BMW (E90) 3 Series will cause rough running and engine misfire across multiple cylinders and can ultimately prevent the vehicle from starting… Why is MY BMW 320d not filling up?ĭiesel nozzles are wider and cause the bar to release.
