2.0 8v turbo problem - Engines Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: 2.0 8v turbo problem

pugheaven

Seasoned Pro

Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #1

hi my mate has the 2.0 8v turbo engine in his 205 which a few of you may have seen at the pompey rr day.
Its been running ok but then he put an adjustable fuel pressure reg on, he set it for 3.5 bar and then the car started to mis-fire at 3k rpm.
He then took it off and it still misfired, so he got a new standard fuel pres reg,spark plugs new coils new injectors and its still doing it.
He has also checked icv and was told that it wont be the crank sensor or lamba.
Any one have any idea what else it might be.
Thanks
Ollie

Posted 2nd Oct 2009 at 00:25

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6neil

Newbie

Location: Gloucester

Registered: 18 Aug 2009

Posts: 35

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Post #2

has he got a fuel pump that can supply enough fuel? upping the pressure for a bit may have killed the standard one off? not sure what the standard pressure is tho?

Posted 2nd Oct 2009 at 00:33

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sosmotorsport

Regular

Location: falkirk

Registered: 24 Jun 2009

Posts: 339

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Post #3

does the car rev past 3k

if so is there any mis fire after 3k when on boost ?

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 00:49

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #4

yes it does it as soon as the boost kicks in. Its only runnin standard boost and has got an uprated fuel pump. Thanks ollie

Posted 2nd Oct 2009 at 01:34

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sosmotorsport

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Location: falkirk

Registered: 24 Jun 2009

Posts: 339

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Post #5

have u checked the vacuum pipes going to map sensor etc ?

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 01:37

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allesclar

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Location: Sheffield

Registered: 17 May 2009

Posts: 4,254

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Post #6

no leak is there?

________________________________________

Team allesclar ®

Posted 2nd Oct 2009 at 01:41

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #7

he hasnt checked them yet as he doesnt know where they are, he is new to that engine and i dont know anythink about them so where would he find the map sensor and where do the vacum pipes go to, inlet mani?

Posted 2nd Oct 2009 at 01:48

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sosmotorsport

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Location: falkirk

Registered: 24 Jun 2009

Posts: 339

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Post #8

should be a pipe on the top of the inlet beside the one that feeds the fuel reg

the pipe will feed the map sensor which is in the 8v turbo ecu make sure he aint split it or took it off by miss take

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 01:52

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

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Post #9

ok thanks.
ill get him to have a look, if not what else could it be.

Posted 2nd Oct 2009 at 01:59

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sosmotorsport

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Location: falkirk

Registered: 24 Jun 2009

Posts: 339

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Post #10

if he has changed all the above as you said am pretty sure its a map sensor fault hard to say without seeing it only speaking from experience

plug leads if not tried that

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 02:04

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #11

ok mate ill get him to check, will that be picked up on diagnostics think he is takin it to his nearest garage tomoro

Posted 2nd Oct 2009 at 02:07

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sosmotorsport

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Location: falkirk

Registered: 24 Jun 2009

Posts: 339

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Post #12

does he have a diag port wired in to the 205 with that engine ?

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 02:09

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

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Post #13

probably not!! lol
Ill let you know how he gets on.
cheers anyway
Did you sell the turbo,cam and kms from your old engine?

Posted 2nd Oct 2009 at 02:12

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sosmotorsport

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Location: falkirk

Registered: 24 Jun 2009

Posts: 339

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Post #14

no worries if he gets stuck ill fire u as much ideas as i can at u let me know how he gets on

ye mate sold the lot a while back was a good match of stuff i had worked very well

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 02:13

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

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Post #15

He was putting the engine in when you had that for sale, he still kicks himself for not buying it, some times i kick him aswell just for the fun of it tho.
will keep posted mate.

Posted 2nd Oct 2009 at 02:16

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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

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Post #16

Has he got the right fuel reg? I was under the impression that when using a turbo you needed a rising rate fuel pressure regulator that increased fueling as boost rises, this is done by taking a pipe from the inlet manifold to the diapragm side of the regulator. I have an FSE reg and there is a small tail coming out of the top of it for use on boosted engines.

Make sure he reconnected all of the pipes when he changed the reg, and that everything that should have been there in the first place is still present.

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars

Posted 2nd Oct 2009 at 02:19

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #17

he has gone back to the standard 3 bar (i think) one to try and get rid of the problem

Posted 2nd Oct 2009 at 02:19

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sosmotorsport

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Registered: 24 Jun 2009

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Post #18

pugheaven wrote:

He was putting the engine in when you had that for sale, he still kicks himself for not buying it, some times i kick him aswell just for the fun of it tho.
will keep posted mate.

ye would have been a good buy and good power for the money

sometimes wish i had kept it LOL

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 02:33

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #19

well if you want to sell the 16v turbo let us know. i wish!!

Posted 2nd Oct 2009 at 02:37

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sosmotorsport

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Location: falkirk

Registered: 24 Jun 2009

Posts: 339

Status: Offline

Post #20

pugheaven wrote:

well if you want to sell the 16v turbo let us know. i wish!!

everything is for sale at a price Cool

how come you never went turbo Sad

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 02:43

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #21

well i got taken of shift at work and afgan tour was put off for a while so didnt have much money.
just brought euan's throttle bodies.
goin to afgan for four months in march so might look into a new engine then but want to build the n/a 6 first.

Posted 2nd Oct 2009 at 02:49

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sosmotorsport

Regular

Location: falkirk

Registered: 24 Jun 2009

Posts: 339

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Post #22

ah got ya

ye a knew u bought euans throttle bodies they will work well on your engine

afgan for 4 months doesnt sound as good tho hahahah

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 02:58

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pugheaven

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Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #23

well the money is stupid so cant turn it down, get good pay as im not in services.
im treatin my self when i get back.

Posted 2nd Oct 2009 at 03:04

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sosmotorsport

Regular

Location: falkirk

Registered: 24 Jun 2009

Posts: 339

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Post #24

what we do for money lol

treat your self good then hahahahahah

________________________________________

SOS Motorsport
www.sosmotorsport.co.uk
450bhp 205 16v Turbo
www.facebook.com/pages/SOS-Motorsport/159917677353556

Posted 2nd Oct 2009 at 03:06

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pugheaven

Seasoned Pro

Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

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Post #25

if only you where closer and not the other end of the island, wouldnt mine knowin how you get your money, male escort? lol

Posted 2nd Oct 2009 at 03:09

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