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2003 bmw 325i: have 3 obd 2 codes need 2 know parts 2..p1345

Resolved Question:

have 3 obd 2 codes need 2 know parts 2 get 4 a 2003 bmw 325i the codes are p1345 p1071 p1349
Submitted: 5 years ago.
Category: BMW
Expert:  Steve replied 5 years ago.
Hello and welcome to JustAnswer BMW,

My name is XXXXX XXXXX it will be my pleasure to assist you today. How is the car running?
Customer: replied 5 years ago.
it is miss firing and is slugish in gaining speed
Expert:  Steve replied 5 years ago.

are you sure it isn't p0171 instead of p1071?

 

Customer: replied 5 years ago.
no its p1071 p1345 p1349
Expert:  Steve replied 5 years ago.

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P1345 - Misfire Cylinder 2 with Fuel Cut-Off

 

Most likely a bad plug or coil on cylinder 2. You can swap the plug and coil around to different cylinders to see if the fault follows either. If not the plug or coil, possibly the injector.

 

P1349 - Misfire Cylinder 4 with Fuel Cut-Off

 

Same as above

 

P1071 is a valve timing code. It is too generic to provide insights. You will need to have the car scanned using a more sophisticaed tool in order to determine what is causing this code. There is no way to diagnose a timing issue using a P code I'm afraid. The timing system on this is car is hugely sophisticated so trying to use a p code reader to diagnose this would be like using a mid 1990s motorola cell phone to try and launch the space shuttle.

 

If it is indeed P0171 then that would indicate an intake air leak.

 

It might be worthwhile solving this issue prior to chasing the above misfires as they could be related. Also, would be worth clearing the codes and seeing which come back, this may be an old code that just was never erased.

 

I hope that is helpful, please let me know if you have further questions, or if I can clarify anything for you.


It has been my pleasure to help today and I wish you the best of luck with the vehicle.


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thank you in advance.

 

Steve

 

 

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