displaying posts 1 to 12 of 12

Author Subject: MI16 running rich
peugeot96

Regular

Location: verdal

Registered: 14 Sep 2011

Posts: 218

Status: Offline

Post #1
My tuned 2.0 mi16 running very rich at startup, also when fully warm. Have to throttle it for a while and the its ok.
Any ideas?
Posted 1st Oct 2012 at 15:36
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,839

Status: Offline

Post #2
CTS.

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Posted 1st Oct 2012 at 15:49
peugeot96

Regular

Location: verdal

Registered: 14 Sep 2011

Posts: 218

Status: Offline

Post #3
welshpug! wrote:
CTS.


Changed it today and no better. It was a used one but l dont think both of my sensors are gone.
l suspect the ecu.
Posted 1st Oct 2012 at 17:51
yippeekayay

Seasoned Pro

Location: wilts

Registered: 27 Oct 2008

Posts: 4,144

Status: Offline

Post #4
Air leak off the inlet manifold?

________________________________________

306 less for first time in nearly 7 years. Lets keep it that way... please refuse any offers i make to buy your 306 ( doctors letter supplied by request)

Marmite and cheese sandwiches anyone???

Burns and Mcrae will be forever missed.
x box "yippeekayaymofo"
Posted 1st Oct 2012 at 17:55
peugeot96

Regular

Location: verdal

Registered: 14 Sep 2011

Posts: 218

Status: Offline

Post #5
yippeekayay wrote:
Air leak off the inlet manifold?


One of the first thing l looked for. But its running ok after 30sek or so. Its also a bit lumpy at tickover, but its fitted with bodies,cams and a 5kg flywheel. Maybe thats the reason for the lumpy tickover.
Posted 1st Oct 2012 at 18:07
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,839

Status: Offline

Post #6
poor mapping?

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 1st Oct 2012 at 18:16
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #7
welshpug! wrote:
poor mapping?


This was my first thought. Yes

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 1st Oct 2012 at 19:39
peugeot96

Regular

Location: verdal

Registered: 14 Sep 2011

Posts: 218

Status: Offline

Post #8
stan_306gti6 wrote:
welshpug! wrote:
poor mapping?


This was my first thought. Yes


lts spot on when you drive it. Pulls strong up to 7500 . The mapper have had this for a livin for about 15 years. He`s a very good mapper and he`s a very good mechanic. But he prefer to map aftermarked ecu`s . He also told me there was a strange smell when he opened the ecu. Smelled burned .
Posted 1st Oct 2012 at 20:35
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,839

Status: Offline

Post #9
get a wideband lambda fitted, he probably needs to spend more time getting it right.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 1st Oct 2012 at 20:38
peugeot96

Regular

Location: verdal

Registered: 14 Sep 2011

Posts: 218

Status: Offline

Post #10
welshpug! wrote:
get a wideband lambda fitted, he probably needs to spend more time getting it right.


lts been on the rollers twice. Today we mapped it on the road. The afr was very good all over the place. But the warm startup is so strange.
But l can tell you one thing. Tomorrow lm gonna buy a DTAs40 because l m sick and tired of this.
Posted 1st Oct 2012 at 20:47
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,839

Status: Offline

Post #11
good move!

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 1st Oct 2012 at 20:49
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #12
DTA is a good way forwards, I use an S60 Pro and can't fault it. Thumbs up

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 2nd Oct 2012 at 07:32

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