I know that there are a number of posts regarding this (I have scoured the net) but I am at a loss. What began as an intermittent issue now has my car dead in my driveway. I scanned the car and received the crank shaft position sensor circuit A fault error. I changed the sensor with an aftermarket sensor and nothing changed. I then put in a bmw sensor and still no change. I have no pressure at the fuel rail when the key is turned on. I can not hear the pump kick on when the key is turned to on. I have not yet checked for voltage at the pump. Is it possible to have a bad pump and not get the fuel pump error notification? The car turnes over and will sputter occasionally but will not idle. Can a fuel pump problem show as this code? I don’t want to beat a dead horse but my next stop is the shop. Any help is appreciated.
Yes you can have a bad pump with no code. You wont get a code on older cars. Check for voltage at the pump and go from there. Check fuses etc.
Aftermarket sensors can give you bad results too with no code,
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Assume the crank position sensor is properly seated. They can be a bear to get seated properly, with no indication it isn't in. Other than not starting.
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