C_O_R_S_A___B
Member
Registered: 17th Jul 06
Location: Thornley, County Durham
User status: Offline
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ok not sure if it is or not - heres my problem:
- mpg has dramatically decreased
- when i press accelorator down the engine makes a kinda sucking noise before the exhaust rumbles (as if you sucked air into your mouth - do it - it sounds exactly like that - is that normal)
- backbox is black with soot/dust
- stinks of petrol
pretty sure it is running rich just wondered if anyone on here knew and if they knew how to solve it or diagnos it proply without taking it to garage at the moment - any help will be muchly appreciated
Cheers,
Jon
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dan_almond
Member
Registered: 27th Sep 05
Location: Salisbury, Wiltshire
User status: Offline
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what engine u running mate? Spec aswell?
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C_O_R_S_A___B
Member
Registered: 17th Jul 06
Location: Thornley, County Durham
User status: Offline
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sorry people its a 99 sport v-reg with 1.4 16v so woteva engine that will have!! it has a cone air filter on n thats the only mod at present
hope that helps!!
Jon
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Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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Does it puff out black smoke?
X14XE btw
[Edited on 28-02-2007 by Monster]
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pdwhelan
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Registered: 25th Sep 06
Location: Wigan
User status: Offline
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The sucking sound would be the air filter mate.. it obviously would suck air in before you heard the rumble.. it needs to go through your engine first etc etc.. im not very technical.. but check for any split pipes. check all your spark plugs aswell incase they are not sparking as well as they should be
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C_O_R_S_A___B
Member
Registered: 17th Jul 06
Location: Thornley, County Durham
User status: Offline
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no it aint buffing out black smoke at all
i thought the sucking sound was normal and i realised what i had said after i posted it about the sucking befor the rumble of zorst!! haha!! never mind i sounded thick as didnt i!!
will have a look for split pipes and check plugs at weekend as need to do some other bits
has anyone else got any tips or do they know for defo if it is over fueling or not
cheers for replies so far guys - much help
Jon
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Superlite Ltd.
Member
Registered: 9th Jan 07
User status: Offline
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Do paperclip test to check fault codes
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C_O_R_S_A___B
Member
Registered: 17th Jul 06
Location: Thornley, County Durham
User status: Offline
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done that only comes up with EGR which has been on a while just aint got that fixed yet - it couldnt be that could it
?!
Jon
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lozacorsa
Member
Registered: 19th Feb 07
Location: Bristol, Avon!
User status: Offline
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Mine was exactly the same.. Stank of petrol and used to get SOO much of it unburnt filling up in the back box all the time.. I used to get like 20mpg if that! I did the paper clip test and it showed up EGR.. Asked on here 'Warren.G' adviced me to change the EGR Valve which i have done today its its fine now! 
Good luck mate
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C_O_R_S_A___B
Member
Registered: 17th Jul 06
Location: Thornley, County Durham
User status: Offline
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cheers for that bud - will have a look
Jon
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topshot_2k
Banned
Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
User status: Offline
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EGR, Lambda
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C_O_R_S_A___B
Member
Registered: 17th Jul 06
Location: Thornley, County Durham
User status: Offline
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whats the lambda like to change?! where in the engine is that to be found then?!
Jon
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Superlite Ltd.
Member
Registered: 9th Jan 07
User status: Offline
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exhaust downpipe
but its prob EGR
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C_O_R_S_A___B
Member
Registered: 17th Jul 06
Location: Thornley, County Durham
User status: Offline
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cool cheers evrybody
Jon
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Vaux Lad
Member
Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline
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Mpg reduced, stink of petrol may be a fuel leak.
Have you removed the engines sprark plugs? Do they look like its been running rich?
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