F30 320d erratic idle and loss in boost

[Dre]

hi guys,

hoping somebody can point me in the right direction with diagnosing the cause of this problem.

The car is generally smooth.
However I have noticed the following:
* engine noise at idle is louder (when standing around engine-bay with bonnet closed)
* boost is lower than normal (this comparison was done in SPORT MODE, after driving +-20km to work on Freeway)
* At random the idle gets lumpy..it's almost like a misfire (sometimes after sitting in traffic; but yesterday it happened when I started my car around 5pm to go home)...but if I drive along, it resolves itself.

Car details:
* 2012 f30 320d with 105 000kms

I've seen posts online regarding possible causes:
* DPF clogged
* EGR jamming
* Damper pulley

 

[momo1]

hi guys,

hoping somebody can point me in the right direction with diagnosing the cause of this problem.

The car is generally smooth.
However I have noticed the following:
* engine noise at idle is louder (when standing around engine-bay with bonnet closed)
* boost is lower than normal (this comparison was done in SPORT MODE, after driving +-20km to work on Freeway)
* At random the idle gets lumpy..it's almost like a misfire (sometimes after sitting in traffic; but yesterday it happened when I started my car around 5pm to go home)...but if I drive along, it resolves itself.

Car details:
* 2012 f30 320d with 105 000kms

I've seen posts online regarding possible causes:
* DPF clogged
* EGR jamming
* Damper pulley

try this cheap fix first, by yourself some injector cleaner (R100) throw it in your tank before filling up, go for a nice long spirited drive.
let the car idle before switching off, start it up again the next morning and see if any difference.

 

[Dre]

Thx, will give this a try this weekend.
Is there any particular brand you recommend; or warn that I should avoid.

 

[momo1]

Thx, will give this a try this weekend.
Is there any particular brand you recommend; or warn that I should avoid.

I Normally use the Wynns Diesel Injector cleaner about R80, but I would recommend the Liqui Moly R100 , Goldwagen normaly stock it.
I throw a bottle every 6000km-8000km.

 

[S1NGH 911]

Change the fuel filter


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[Dre]

Thx guys for the help. A bottle of Wynn's diesel cleaner (orange bottle) has resolved the problem. Also tried the petrol version on the wife's car and it worked excellently.

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[momo1]

Thx guys for the help. A bottle of Wynn's diesel cleaner (orange bottle) has resolved the problem. Also tried the petrol version on the wife's car and it worked excellently.

Sent from my Redmi 3S using Tapatalk

Awesome :clapper: