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Author Rough idle
GTM
Member

Registered: 24th Nov 08
Location: Kingswinford, West Midlands
User status: Offline
7th Apr 10 at 17:03   View User's Profile U2U Member Reply With Quote

As of late my engine is running rougher than usual. Seems to be revving like ive put pressure on the accelerator when my foot isnt on it. Sometimes it chokes under acceleration and at times i can smell petrol although i cant find any leaks.
It can be rough on startup aswel and a few times it wont start unless i hold my foot rite down on the accelerator then turn the key.

Any ideas?
Any help would be great.
pteflint
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Registered: 22nd Dec 08
Location: trimdon station
User status: Offline
7th Apr 10 at 18:24   View User's Profile U2U Member Reply With Quote

is the eml on pal
GTM
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Registered: 24th Nov 08
Location: Kingswinford, West Midlands
User status: Offline
7th Apr 10 at 18:44   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by pteflint
is the eml on pal



No mate.
Piér
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Registered: 4th Jan 10
Location: Gloucestershire
User status: Offline
8th Apr 10 at 16:57   View User's Profile U2U Member Reply With Quote

Sounds like the EGR but the EML normally comes on though in my car and it runs like a bag of crap!
check for air leaks in the induction system but apart from that, the only thing I can think is the EGR or it might even be the CTS (coolant temp sensor) that can cause problems, although I've never experienced it before.
johnhara1
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Registered: 19th Oct 06
Location: Newcastle upon Tyne
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9th Apr 10 at 05:37   View User's Profile U2U Member Reply With Quote

Get a can of WD40, turn the engine on and spray it all over the inlet \ throttle body area. If the revs rise, you have an air leak.

RE the fuel, it could be over fuelling, check the wiring to your CTS sensor for breaks at the plug and\or replace the CTS, it's only £10.


[Edited on 09-04-2010 by johnhara1]
sparkyunlimited
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Registered: 30th Dec 04
Location: Cleveleys, Lancashire
User status: Offline
9th Apr 10 at 10:54   View User's Profile U2U Member Reply With Quote

definitely check for air leaks, mine was doing something similar after i had been working on the engine - turned out i had disturbed the rubber donut on the intake so it was pulling in un-metered air.

 
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