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displaying posts 1 to 17 of 17
| Author | Subject: Fuel pressure regulator |
 mocinim
Seasoned Pro  Location: The Darkside of bedford :) Registered: 09 Jan 2015 Posts: 2,307 Status: Offline |
Post #1
Hi gents which is best 3 or 4 bar / more suitable / or just the correct one Cheers ________________________________________ BLACK RALLYE - phoenixWHITE RALLYE - valliant http://public.servicebox.peugeot.com/ https://www.gov.uk/check-mot-history |
 Posted 11th May 2017 at 20:10
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deeturbo
Regular  Location: Leighton Buzzard Registered: 22 Feb 2003 Posts: 283 Status: Offline |
Post #2
I was under the impression that they were 4bar as standard. |
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Posted 11th May 2017 at 20:12
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sageman
Regular  Location: Norwich Registered: 23 Jan 2016 Posts: 114 Status: Offline |
Post #3
i recall reading the same somewhere ________________________________________ 1976 Reliant Kitten1985 Reliant Fox Tandy campervan 1998 GTI-6 1993 Citroen XM sei V6 (barn find) |
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Posted 11th May 2017 at 21:08
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pug_306
Seasoned Pro  Location: Great Hockham Registered: 28 May 2013 Posts: 1,592 Status: Offline |
Post #4
3bar is fine for standard engines buddy. I think late xsara vts was 3.5bar ________________________________________ 1998 Supercharged White Rallye1992 205 GTi6 205 Turbo 340bhp |
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Posted 11th May 2017 at 21:10
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #5
3 bar standard, without mapping its pointless adding more pressure.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th May 2017 at 22:32
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sergioiacobucci
Senior User  Location: High Wycombe Registered: 27 Nov 2007 Posts: 526 Status: Offline |
Post #6
What would be the best to go to if you are mapping? 3.5 or 4?________________________________________ Phase 1 silver track car335i daily |
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Posted 11th May 2017 at 22:35
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #7
3.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th May 2017 at 22:59
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sergioiacobucci
Senior User Location: High Wycombe Registered: 27 Nov 2007 Posts: 526 Status: Offline |
Post #8
welshpug! wrote: 3. Trying to work out if you're joking  ________________________________________ Phase 1 silver track car335i daily |
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Posted 11th May 2017 at 23:15
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #9
not at all, basically unless youre running lots of boost there's no point running more fuel pressure.if you need more fuel get bigger or more injectors. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 12th May 2017 at 08:20
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mocinim
Seasoned Pro Location: The Darkside of bedford :) Registered: 09 Jan 2015 Posts: 2,307 Status: Offline |
Post #10
Cheers guys appreciated ________________________________________ BLACK RALLYE - phoenixWHITE RALLYE - valliant http://public.servicebox.peugeot.com/ https://www.gov.uk/check-mot-history |
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Posted 12th May 2017 at 10:12
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russbez
Seasoned Pro  Location: Inverness-Shire Registered: 19 Dec 2005 Posts: 7,459 Status: Offline |
Post #11
it worth replacing these wee things?they dont clog up or that? ________________________________________ TEAM HIGH BOOST SUPERCHARGED RALLYEMy Rallye project thread |
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Posted 12th May 2017 at 10:27
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #12
no, very reliable, unlike all the adjustable tat.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 12th May 2017 at 10:48
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mocinim
Seasoned Pro Location: The Darkside of bedford :) Registered: 09 Jan 2015 Posts: 2,307 Status: Offline |
Post #13
russbez wrote: it worth replacing these wee things? they dont clog up or that? Refurbing the rails x3 scrub down strip to steel repaint !!! ________________________________________ BLACK RALLYE - phoenixWHITE RALLYE - valliant http://public.servicebox.peugeot.com/ https://www.gov.uk/check-mot-history |
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Posted 12th May 2017 at 11:43
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miki4
Regular  Location: Cologne Registered: 09 Nov 2015 Posts: 390 Status: Offline |
Post #14
I replaced mine at 160k miles as you could smell fuel on the vacuum hose. I guess they start leaking sometime.As long as you don't run out of fuel flow / don't get your injectors to work on 100% during mapping I would just use the standard 3 bar FPR. The higher you go pressure-wise, the more you need to lower the time the injectors are powered to get the same amount of fuel into the engine. -> you lose time resolution. pug_306 wrote: 3bar is fine for standard engines buddy. I think late xsara vts was 3.5bar Ryan, is it the same map with the 3.5 bar FPRs? |
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Posted 12th May 2017 at 17:39
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pug_306
Seasoned Pro Location: Great Hockham Registered: 28 May 2013 Posts: 1,592 Status: Offline |
Post #15
Hi buddy . They run completely different ecus ( multiplex ) injectors are different also. Hope your well ;-) ________________________________________ 1998 Supercharged White Rallye1992 205 GTi6 205 Turbo 340bhp |
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Posted 12th May 2017 at 17:51
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #16
yeah the phase2 xsara was quite a step forward in ecu's, twin lambda system as well as different injectors though mostly the same, they are much better on fuel than the older MM1AP10 ecu.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 12th May 2017 at 18:14
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miki4
Regular Location: Cologne Registered: 09 Nov 2015 Posts: 390 Status: Offline |
Post #17
Ah okay, interesting. Thanks for that info. I'm well, hope you too.  |
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Posted 13th May 2017 at 02:07
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