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Author Car running lean?
James_H
Member

Registered: 16th Sep 07
Location: Slough, Berkshire
User status: Offline
3rd Apr 08 at 17:57   View User's Profile U2U Member Reply With Quote

Hi, if any of you went to the rolling road this year at TOTD, the staff there who dyno'd it said it was running lean, its a 1.0 12v, i have changed the 02 sensor and i put a agila 1.2 afm on if thats different or anything but it didnt do anything?
I have put it on tech 2 myself and its says 'lean exhaust' and thats it!

Any ideas??

Thanks, James
DAZ1985
Member

Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
3rd Apr 08 at 18:00   View User's Profile U2U Member Reply With Quote

lambda sensor?
luke85
Member

Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
3rd Apr 08 at 18:08   View User's Profile U2U Member Reply With Quote

Is it single point or multi point injection? could be fuel filter or a partly blocked injector. ECU will ignore lambda sensor on full throttle so if it was lean on the rolling road then I doubt its the lambda
James_H
Member

Registered: 16th Sep 07
Location: Slough, Berkshire
User status: Offline
3rd Apr 08 at 18:09   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by jahunt
Hi, if any of you went to the rolling road this year at TOTD, the staff there who dyno'd it said it was running lean, its a 1.0 12v, i have changed the 02 sensor and i put a agila 1.2 afm on if thats different or anything but it didnt do anything?
I have put it on tech 2 myself and its says 'lean exhaust' and thats it!

Any ideas??

Thanks, James
Paul_J
Member

Registered: 6th Jun 02
Location: London
User status: Offline
3rd Apr 08 at 18:11   View User's Profile U2U Member Reply With Quote

you cleared the ecu code from before?

James_H
Member

Registered: 16th Sep 07
Location: Slough, Berkshire
User status: Offline
3rd Apr 08 at 18:11   View User's Profile U2U Member Reply With Quote

Multi, changed the fuel filter, if it was the injector surely it will be gutless all the time?
James_H
Member

Registered: 16th Sep 07
Location: Slough, Berkshire
User status: Offline
3rd Apr 08 at 18:13   View User's Profile U2U Member Reply With Quote

Yup cleared the code, then i drive it and you can feel it holding back slightly, and somtimes the eml comes on randomly and its the same code, wish i worked for vauxhall
luke85
Member

Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
3rd Apr 08 at 18:17   View User's Profile U2U Member Reply With Quote

Have you had the fuel pressure checked? regulator could have gone weak or a poor pump

It could just be one injector thats not flowing as much as it should

[Edited on 03-04-2008 by luke85]
James_H
Member

Registered: 16th Sep 07
Location: Slough, Berkshire
User status: Offline
3rd Apr 08 at 18:18   View User's Profile U2U Member Reply With Quote

yeh they did it at the rolling road and its not dropping off or anything so its not the pump.
Dan295
Member

Registered: 9th Oct 06
Location: London
User status: Offline
3rd Apr 08 at 19:04   View User's Profile U2U Member Reply With Quote

Could be the coil pack, or its the AFM mate. You sure the Alega one is OK?

This is pow btw
James_H
Member

Registered: 16th Sep 07
Location: Slough, Berkshire
User status: Offline
3rd Apr 08 at 19:16   View User's Profile U2U Member Reply With Quote

oh dear lol, i think so it was on our courtsey car, but it could be a diff part number, i dont think it is the coil pack but you never know..

[Edited on 26-04-2008 by jahunt]

 
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