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turquise1

04-02-2011 11:17 AM

x5 stalling problem persists..

So, this stalling problem persists after so many fixes and replacements. I have a nearly new intake, new transmission, new (ebay) MAF as well..

My X5 (2001, 4.4) when slowed down (at a stop sign for example) would stall and even die sometimes (not all the time but frequently). She has no other performance problems. No error codes. This is a very annoying! problem that I could not find the reason for.

What do you guys think? Would this have something to do with fuel supply system?

Ozzie

Nik	04-02-2011 12:04 PM

there is something called Idle control .. that can be dirty and might need cleaning. not sure about the name though. What I am sure is that it can be cleaned.

jst2878

04-02-2011 04:01 PM

Cam position sensors? Get a gt1 diagnostic.

tomgtv

04-02-2011 05:59 PM

Exhaust Cam sensor

Quote:

Originally Posted by turquise1 (Post 815960)

It's either the intake or exhaust cam sensor for VANOS system. I screwed around with all kinds of attempts before I figured it out. They are not too hard to put in as they are on top of Valve cover. About $100 or so each.

killcrap

04-02-2011 07:36 PM

Quote:

Originally Posted by Nik (Post 815970)

there is something called Idle control .. that can be dirty and might need cleaning. not sure about the name though. What I am sure is that it can be cleaned.

no such device is installed on any x5 v8 engine.

killcrap

04-02-2011 07:38 PM

Quote:

Originally Posted by turquise1 (Post 815960)

consider having the fault memory read out. i know you said no error codes, did you check the EGS fault memory for a stuck torque converter lockup?

turquise1

04-02-2011 11:18 PM

I believe the torque converter was changed during the transmission rebuild process (no errors were mentioned by my mechanic). I will take a look at the mentioned sensors and let you guys know..

Btw, during 5-6 hrs of city driving today, my X5 did not repeat the problem many times. I still hope it was a problem with the transmission and it was fixed..

Thanks for all the help.

Ozzie

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