P0340 code

Asked by jrvs427 Apr 14, 2017 at 11:11 AM about the 2003 BMW 3 Series 325Ci Convertible RWD

Question type: Maintenance & Repair

I've changed the intake and exhaust camshaft
position sensors, crankshaft position sensor, fuel
pump and filter. Car still stalls in the afternoon but
not in the cooler morning hours. I've also checked
the wiring. Any ideas?

2 Answers
220,785

Rowefast answered 7 years ago

P0340 BMW - Camshaft Sensor Inlet Signal...Possible causes; Faulty Camshaft Position Sensor, Camshaft Position Sensor harness is open or shorted, Camshaft Position Sensor circuit poor electrical connection, Faulty starter motor, Starting system circuit Dead (Weak) battery...Sometimes and in some models, low battery voltage or a weak starter can can trigger a Camshaft Position Sensor code. BMW 3 Series (E46) 1999-2005 - Intake camshaft position sensor testing P0340 DIY - how to diagnose...https://youtu.be/eZIr-rp1FSc

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ray answered 3 years ago

This is very crazy make sure to look through all wires when you have code p0340 , searched and searched for weeks till I pulled everything Out of computer section And found this very bad corroded wire which cause very low voltage to pcm

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