I have a 2001 bmw 330i which has a check engine light on so i went to monument and bought a new crankshaft position sensor (thats what the code read) and the symptoms were excaxt to how my car is running. After hours of frustration i got the new cps in and the code still continues to come up and my car is not really running much better. It actually seems to have a miss now. What else could it be?? Please help.
This could come from a variety of places... in no particular order... the "new" CPS is bad (get another one)... The battery is weak or has low voltage (replace battery)... The DME may need an update / DIS CD 30.0 or higher... dealer or good Independent shop can do this) last one to look at is the fuel filter (replace)
SOURCE: 318is 1997 e36 m44
If there is a ticking noise on the engine it may be that your engines hydrolic valve lifter's may be failing. The reason why it may be a running problem is that the valve lifters are part the VANOS system witch is BMW's answer for variable valve timing. you have the M44B19 engine witch only has VANOS on the intake cam shaft. I cant be shure with the infomormation I have if this looks right and you require more assistance.
Please Ask.
SOURCE: BMW 328 i 1997: Start up problems / Stuttering / Engine Light
change the pcv valve its under the intake manifold
SOURCE: 2000 BMW 323i Check Engine Light Problem-10 codes!!! Help!
I would first check for a vacuum leak. Common areas of intake leaks are: 1. The crankcase vent valve located under the intake. 2.Check the intake boot at the throttle housing. You will find that there is an elbow where a small hose goes to your idle valve. Using your hand feel in the elbow area for a hole in the rubber. Your tech can use brake cleaner and spray the intake to check for leaks or use a smoke tester. 3.Possible failing Mass Air Meter.At idle, in park, and a/c not on the meter reading should be appr. 18-22 hz
SOURCE: ABS and anti skid tracking control lights stay on in my BMW 523i
Unfortunately there are several possibilities that are common to causing the light to come on. I would suggest taking the car in to a dealer and having them read out the fault memory. Such possibilities are a failed speed sensor, a binding DSC/ACS actuator cable, or faulty DCS/ASC control unit. If you know how, you can disconnect the speed sensors, and check for voltage output across the the terminals inside the connector going to the speed sensor while rotating the wheel. A dealer should charge you about an 1hour fee to check out your system. Due to the cost of parts involved, I would recommend having it checked before just guessing.
SOURCE: BMW 740iL 1996 OBD fault codes p1036, p0156 or BMW 12 & 20
sorry but in this case the dealer is correct,ONLY oe cats will solve this problem, have worked on dozens of the cars no aftermarket cat i've seen has worked. you can chase this problem all over but it will still go back to the cats ,sorry no better answer
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