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displaying posts 1 to 5 of 5
| Author | Subject: Supercharger sooty plugs |
 Disco_Stu
Regular  Location: County Durham Registered: 09 Aug 2008 Posts: 243 Status: Offline |
Post #1
Hi.My lynx low boost supercharged 306 has a misfire. When I removed the spark plugs I found them all covered in dry black soot. The boost pipe was collapsing when it was a silicone bend near the supercharger, however I have now replaced it with a solid bend to stop that from happening. Any ideas what is causing it? ________________________________________ Peugeot 306 Gti-6 Track car (soon to be supercharged)Project page Blog |
 Posted 8th Sep 2016 at 20:25
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welshpug!
Capt Pedantic
 Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #2
too much fuel.what plugs? ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 8th Sep 2016 at 20:32
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rich_w
Seasoned Pro  Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline |
Post #3
Too much fuel or wrong grade plugs. They may not be getting hot enough to self-cleaning. If the car isn't getting driven hard or doing shorty journeys you may need to revert to standard heat grade. ________________________________________ Contact Details:rich@lynxpowerengineering.co.uk 07732 822546 |
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Posted 8th Sep 2016 at 21:01
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Disco_Stu
Regular Location: County Durham Registered: 09 Aug 2008 Posts: 243 Status: Offline |
Post #4
Thanks for the quick replies.I am using grade 7 spark plugs (NGK BKR7EIX) It has not been used very much at all, has been warmed up about 4 times (mostly on the driveway holding a few revs and once for a noise test). I was hoping to do a track day next weekend so was just making sure it was ready to go as the last time I had it started it had a occasional misfire. ________________________________________ Peugeot 306 Gti-6 Track car (soon to be supercharged)Project page Blog |
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Posted 8th Sep 2016 at 21:23
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #5
Give it a good hard drive, should sort it.  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
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Posted 9th Sep 2016 at 19:55
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