ODB codes P1343, P1345, P1347, P1349

[certifizel3]

What is causing obd codes p1343,p1345,p1347,p1349 with rough idle????

[clw740i]

What you have are a bunch of misfire codes:
P1343 - cylinder #1
P1345 - cylinder #2
P1347 - cylinder #3
P1349 - cylinder #4

These are all on the passenger side of the engine. If it was just one cylinder misfiring I would suspect a bad coil, but with all the misfires on the same bank, I would look a little deeper into the problem.

BTW, here's listing of BMW OBD II codes - http://www.obd-codes.com/trouble_codes/bmw/

[WarMachine7]

Possible passenger vcg needs R&R, have you checked for oil?

"There can never be peace without war"

[sigtwenty]

before throwing out generic information, get some details first.

the codes OP posted are generically labeled as: Misfire Cylinder (X) with fuel cut-off

this is not a typical misfire code. generic basic typical misfires are P0301-08, with these codes not present this potentially could be something deeper. for example on a toyota these codes have to do with the VVT system, so maybe its a vanos issue?

http://www.obd-codes.com/p0301

vs

p1340 camshaft positionsensor B circuit malfunction >> While this is not the code posted, like P0300 (generic misfire for any cyl) maybe the CAM sensor is going out?

[clw740i]

I agree with WarMachine, check your gasket for leaks. I had a similar problem when I "cleaned" my engine compartment once. Thought I was being careful, but somehow some water got under the coil cover. Removed the cover and saw water dampness. Just enough to cause some electical shorts.

[certifizel3]

Process of elimination what do u guys suggest I do first??

[WarMachine7]

Well i guess check for oil since all u gotta do is remove the coil packs and sparkies.

"There can never be peace without war"

[Mayorchuck]

Personally I would check for vacuum leaks first.

- - - Updated - - -

This is from another forum but I have shared his work here before on wheel sensors. It is written for E39's, which include our M62's. This goes into when the DME shuts off fuel and such.


http://www.bimmerfest.com/forums/showthread.php?t=500419

[dburt86]

what about a clogged cat on that side? Ive heard similar issues with a clogged cat

[E38bimmer]

Get some break cleaner spray it over the intake an manifold while car is idling for leaks cheap easy place to start

[WarMachine7]

People say carb spray, gas from a torch or a smoke machine is more effective though.

"There can never be peace without war"

[sigtwenty]

Folks this is his entire one side of the engine right? He has something big going on. A vacuum leak would be causing single or double misfires not likley the whole bank to have a uniform misfire and fuel issue.

[WarMachine7]

Folks this is his entire one side of the engine right? He has something big going on. A vacuum leak would be causing single or double misfires not likley the whole bank to have a uniform misfire and fuel issue.

How about an Ebox problem, both eboxes are independently used or no? But yea all of those things to look at are free to do so why not, but yes u r right though the whole bank is acting funny style.

"There can never be peace without war"

[Zedbimmer]

oil iin wells check first

[Airbrush It]

could also be guide rails.... I had a bunch of odd codes on my bank1-4 when the rails started to fail.. I would check for vacuum leaks first though, as that is the cheapest to fix and the most likely culprit..

[certifizel3]

OK guys I pulled off bremi coils on both banks and all are bone dry and I'm not leaking oil anywhere so I'm not sure if its valve cover gaskets now. Any other ideas

[WarMachine7]

Now check for vac leaks.

"There can never be peace without war"

[sigtwenty]

A vacuum leak isn't going to have a fuel shut off problem on an entire bank.
A vacuum leak will make the car run rough and dump MORE fuel

[WarMachine7]

A vacuum leak isn't going to have a fuel shut off problem on an entire bank.

Were just goin down the list of things said to check on the thread.

"There can never be peace without war"

[certifizel3]

ok i switched coil 4 with 8 just to make sure it wasnt coils before moving on and reset sel. car still ran rough so i drove about 25 miles then light came back on with new code p0011 the dreaded camshaft any help guys

[sigtwenty]

ok i switched coil 4 with 8 just to make sure it wasnt coils before moving on and reset sel. car still ran rough so i drove about 25 miles then light came back on with new code p0011 the dreaded camshaft any help guys

Like I have been saying this whole thread. Its a deeper internal issue. Vanos or chain guides.

Why don't people listen?

Stop throwing out stupid solutions people.

[certifizel3]

what should i do next?

[WarMachine7]

Like I have been saying this whole thread. Its a deeper internal issue. Vanos or chain guides.

Why don't people listen?

Stop throwing out stupid solutions people.

Lmao yea you got this one sig.

"There can never be peace without war"

[Airbrush It]

drain the oil, drop the oil pan and look for plastic chunks... also look up inside there while you have the pan off

[kouks]

I'm not sure you can do this on the M62TU engine, but swap the left and right camshaft position senors. If it moves to the other side, its the positon sensor. This is the easy part.

Then would come the oil pan search for parts.

I recently had a neighbor who had similar issues as yours, it was a timing chain issue. His chain jumped one tooth on the splines and he was getting misfires on only one side. His engine did not sound like a diesel like they normally do with a timing chain guide failure, so its possible you have the same thing.

And gents, Sig is right.