Rough Idle Update. Possible Solved.

Spy007

///Member

• Jul 27, 2010

• #1

As you all know I have had a bouncing Iddle for a few weeks. After meeting with the big Z we read codes cleared and waited 2 weeks to read again. We did this to c if any funny codes pop up.

So the other night we read codes and got 2D29 all pointing to some vacuum leak. Big Z also heard a "sucking Noise" and gave me some advice as to where to look.

So today got home let the car cool as I want this solved before saturday for Dastec and here is what I found.

this pipe was leaking

I have baught a shrot term replacement till the Am tom so that I can get the part from The stealers as the Midas one is a tad to big (1 /2 mm) and is still leaking and cuasing serious rough Iddle.

Once I got the replacement I will post to let you know if the problem is solved.

I hope this helps other out there. :wave:

 

Spy007

///Member

• Jul 28, 2010

• #2

Just quick Update. The part no is B 11157503524 at my stealer and they want R424.75 incl thats after 10% discount for that pipe. MMMM lets think about it. I already have a solution and will post as soon as it is fixed.

Overseas prices are
Eu = 19.50 (R186.80)
$ = 25.35 (R186.63)
BP = 17.16 (R197.09)

 

Lunatik

Member

• Jul 28, 2010

• #3

my car also has a rough idle. when i sent it for diagnostics those guys told me it was a O2 sensor
but if the O2 sensor is damaged wont the engine management light come on? :dunno:

I think i need to check my pipes

 

Yulz9081

Honorary ///Member

• Jul 28, 2010

• #4

Engine light is triggered for 02 sensor...fck all to do with idle as far as i know :dunno:
I have a rough idle but i think its caused from branches and freeflow
Will check that same pipe now though...seems more rough than normal, i always suspected MAF...

 

Spy007

///Member

• Jul 28, 2010

• #5

Ask him what code it gave when diagnostics were done.

---

I ahve been working on this for some time now with the help of Big Z

 

Z

zaleonardz

Well-known member

• Jul 28, 2010

• #6

Good man...

Keep us updated, and pop past again next week so that we can check codes

 

andrewbuch

///Member

• Jul 28, 2010

• #7

zaleonardz said:

Good man...

Keep us updated, and pop past again next week so that we can check codes

Click to expand...

Where is this magic place to check codes

 

Spy007

///Member

• Jul 28, 2010

• #8

I know people who know people who will do almost anything for WIMPY

 

Spy007

///Member

• Jul 29, 2010

• #9

Just quick update. Found heat wrap at ATS but man 399 for a roll.
So still shopping for it but the current replacement pipe seem to fixed the bouncing idle.

 

Z

zaleonardz

Well-known member

• Jul 29, 2010

• #10

imp:

 

Spy007

///Member

• Jul 29, 2010

• #11

The pipe that BMW wans R424.75 for

replacement. Pipe R31.00 Midas + 2 x clamps R8.

As I did this tonight I will report back as the vacuum leak seems gone but rich Petrol Smell in garage. Will c after tom's driving, sure PC needs time to reset.

Z will arrange to read codes very very soon.

 

Z

zaleonardz

Well-known member

• Jul 29, 2010

• #12

Spy,

A reset of the adaptive settings may solve that, remember that the motor has been overcompensating with the leak. Also driving a couple of km's (Say 200) and it should come right, although I am seriously speculating on this, but it sounds plausable that the engine could be overfueling.

 

Spy007

///Member

• Jul 29, 2010

• #13

I suspect this aswell as it was running rich.

Is there a short quick way to 'reset of the adaptive settings may solve that'

Il drive like I stole it in the am and c what happens. I also suspect these cats have GOT TO GO VERY VERY SOON

 

Z

zaleonardz

Well-known member

• Jul 29, 2010

• #14

Out of principle...

 

Spy007

///Member

• Jul 29, 2010

• #15

Ok Now have done the following. Addaptive reset..... Disconnected batery.....And went for quick drive. Had the consumption running at 20/100km/l. Wifes tales or not there is a definate better pull. Might be the pipe is now fixed or what ever.

But I know the Idle bounce is gone.


So lets give it some time, do Dastex and C.

 

Lunatik

Member

• Aug 1, 2010

• #16

spy007 where exactly is this pipe situated?
i can here a leak on my car but i'm not sure if its from the exhaust manifold or a vacuum pipe :dunno:

 

Spy007

///Member

• Aug 2, 2010

• #17

A2 Lunitic.

If you look at the first pic it is just above the Manifold. There is a funky plastic cover that you have to take off. Il find the pick with it on and hopefully that helps.

Below the cover next to the Dipstic (red).

Hope this helps.

---

PM sent. Please keep us Posted Luny.

 

R

ryanhouston_e46

New member

• Aug 19, 2010

• #18

Hi

Did the cover go back on alright? That replacement pipe looks a tad healthier than the OEM.. Also, did you come right with the heat wrap??

 

Spy007

///Member

• Aug 19, 2010

• #19

Cover went back no hassel. Just been to busy to find heat wrap. But will go shop again the weekend.

 

tai88

New member

• Jan 6, 2012

• #20

HAHAHA :biglol: My pipe looked exactly the same! That bugger really scared me, strange thing is the car was driving ok with it.. maybe it was compensating.

Nice pics though.