MK5 Golf GTI

All Things Mk5 => Mk5 General Area => Topic started by: E30Dom on July 20, 2012, 07:09:56 pm

Title: Running too rich?
Post by: E30Dom on July 20, 2012, 07:09:56 pm

Hi guys...

I know running rich is better as it cools the cylinders etc...

But, since getting my APR HPFP and EVOMS fitted my boot's been getting lots more soot deposits, and the tailpipes on my new BCS exhaust turn black very quickly... Its Revo Stage 2... B8T5F7

Pic...

(https://www.mk5golfgti.co.uk/forum/proxy.php?request=http%3A%2F%2Fdaz.co%2Fmedia%2Fv108%2Fax_vts_dom%2F2e9a810d.jpg&hash=472d7ee75781f03096d18650ed5378b8f6f76a75)

What do you reckon? Is this just normal?

Dom

Title: Re: Running too rich?
Post by: rich83 on July 20, 2012, 07:11:20 pm

Mine soot quickly too.. but have done every since Ive had the car (before mappage  :signLOL: )

Title: Re: Running too rich?
Post by: E30Dom on July 20, 2012, 07:12:56 pm

Quote from: richwig83 on July 20, 2012, 07:11:20 pm

Mine soot quickly too.. but have done every since Ive had the car (before mappage  :signLOL: )

Cheers Rich, just seems more than before the pump and map adjustments...

Dom

p.s. just twigged who you are on fb...

Title: Re: Running too rich?
Post by: DFish on July 20, 2012, 07:16:40 pm

Running too rich can be just as bad as running too lean. Clean them up and add a good metal sealant to make cleaning easy.

Fish

Title: Re: Running too rich?
Post by: rich83 on July 20, 2012, 07:17:11 pm

 :scared:

Title: Re: Running too rich?
Post by: E30Dom on July 20, 2012, 07:25:22 pm

Quote from: DFish on July 20, 2012, 07:16:40 pm

Running too rich can be just as bad as running too lean. Clean them up and add a good metal sealant to make cleaning easy.

Fish

That's what i'm worried about, concerned the valve seat will get clogged... The have been polished every weekend with AG metal polish...

Is this excessive?

Dom

Title: Re: Running too rich?
Post by: Russ_leeds on July 20, 2012, 07:46:19 pm

my exhaust gets sooted up very quickly aswell (mines only done it since having the bcs fitted but I have the hard edged tail pipes so no lip inside to stop it)

Mines black so I cant comment on the soot spots up the tailgate

Title: Re: Running too rich?
Post by: gazon69 on July 20, 2012, 07:51:12 pm

Its quite common for the tfsi's to run a little richer than normal, better rich than lean on these engines :happy2:

Title: Re: Running too rich?
Post by: jedi-knight83 on July 20, 2012, 07:52:19 pm

yeah thats like mine too.. done it even since my remap. I guess its just part of the game.

Title: Re: Running too rich?
Post by: bacillus on July 20, 2012, 07:56:03 pm

What are your plugs like?

Title: Re: Running too rich?
Post by: Saintsteve on July 20, 2012, 08:34:49 pm

Turbo seals?? What's your oil consumption like?

Title: Re: Running too rich?
Post by: E30Dom on July 20, 2012, 09:03:03 pm

Quote from: bacillus on July 20, 2012, 07:56:03 pm

What are your plugs like?

Not sure... They've done about 20k though and die at next service...

Uses hardly any oil... So nothing like that Steve, just running rich... I'm sure it's just normal... The tail pipes sit flusher with bodywork so maybe that's why...

Title: Re: Running too rich?
Post by: Poppa Dom on July 20, 2012, 09:58:13 pm

Dom,
Have you got Vagcom - if so log lambda and also look at your LTFT (long term fuel trim)

Dom

Title: Re: Running too rich?
Post by: E30Dom on July 20, 2012, 10:08:53 pm

I don't mate... Will get JKM to check out at her next service in a month or so...

Title: Re: Running too rich?
Post by: bacillus on July 20, 2012, 10:09:31 pm

Quote from: DomT on July 20, 2012, 09:58:13 pm

Dom,
Have you got Vagcom - if so log lambda and also look at your LTFT (long term fuel trim)

Dom

lambda is block 031
Fuel trim is block 032 (you can look at the two values without starting the car).  :smiley:

Title: Re: Running too rich?
Post by: jedi-knight83 on July 20, 2012, 11:54:17 pm

Quote from: bacillus on July 20, 2012, 10:09:31 pm

Quote from: DomT on July 20, 2012, 09:58:13 pm

Dom,
Have you got Vagcom - if so log lambda and also look at your LTFT (long term fuel trim)

Dom

lambda is block 031
Fuel trim is block 032 (you can look at the two values without starting the car).  :smiley:

what will this tell you? I can check mine tomorrow.