New member to forum..with emissions problem
#1
02-18-2014 | 12:09 PM
Thread Starter
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Junior Member
Joined: Feb 2014
Posts: 11
Likes: 2
From: Ramsgate , kent
New member to forum..with emissions problem
Hi, I have a 1997 Jaguar XJR, it has done 90k miles, I enjoy driving it greatly. I have had her since Jan 2012 and have been steadily working through routing repairs and upgrades, notably new discs all round, inner driveshaft bearings and stainless exhaust.
My current problem is causing me grief...
Failed MOT due to high CO and hydrocarbons on fast idle, idle level is fine. Have replaced lambda sensors, plugs and all coils.
Currently misfires badly at idle and less so at faster engine speeds.
I have access to code reader, no fault codes..
My current problem is causing me grief...
Failed MOT due to high CO and hydrocarbons on fast idle, idle level is fine. Have replaced lambda sensors, plugs and all coils.
Currently misfires badly at idle and less so at faster engine speeds.
I have access to code reader, no fault codes..
#2
02-18-2014 | 12:51 PM
Joined: Dec 2011
Posts: 120,461
Likes: 16,874
From: Durham, UK
Welcome to the forum Lunnmax,,
Good to have you with us at Jaguar forums.
Very surprising to have a misfire but no codes.
Follow this link XJ X300 / XJR - Jaguar Forums - Jaguar Enthusiasts Forum to the X300 forum for help, advice and information. The 'HOW TO' thread at the top is a good place to start for info on regular issues.
Please remember to add vehicle details to your Signature to help others to give relevant advice. Go to the User CP button on the left of the top menu bar, then Settings & Options under Your Control Panel. Select Edit Signature and enter the details.
You can also visit the UK Region forum by following this link UK - Jaguar Forums - Jaguar Enthusiasts Forum to find other members in this country.
Enjoy the forums.
Graham
Good to have you with us at Jaguar forums.
Very surprising to have a misfire but no codes.
Follow this link XJ X300 / XJR - Jaguar Forums - Jaguar Enthusiasts Forum to the X300 forum for help, advice and information. The 'HOW TO' thread at the top is a good place to start for info on regular issues.
Please remember to add vehicle details to your Signature to help others to give relevant advice. Go to the User CP button on the left of the top menu bar, then Settings & Options under Your Control Panel. Select Edit Signature and enter the details.
You can also visit the UK Region forum by following this link UK - Jaguar Forums - Jaguar Enthusiasts Forum to find other members in this country.
Enjoy the forums.
Graham
#5
02-18-2014 | 08:20 PM
Joined: Oct 2007
Posts: 117,934
Likes: 6,379
From: PHX some of the time
Welcome to Jaguar Forums Lunnmax,
Good to have you with us.
Enjoy the forum.
If you haven't done so already you should add your car details to your signature to help others to help you.
If you need help with getting around and using the forum follow this link for some help Forum Help
Good to have you with us.
Enjoy the forum.
If you haven't done so already you should add your car details to your signature to help others to help you.
If you need help with getting around and using the forum follow this link for some help Forum Help
#6
02-19-2014 | 04:21 AM
Hi there and welcome aboard....
Re your problems - an Italian tune up may help you, its cheap and worth a try?
You say you've receplaced the 02 sensors......all of them or just one?
Were they replaced with OEM originals or a cheaper aftermarket part......it could be an issue!
Have you thought of a Terraclean to decarbonise the engine?
Again in may help
I've added a few links below for you to consider
https://www.jaguarforums.com/forum/x...ght=terraclean
See the video in the link below and look at around 6m 34secs
https://www.jaguarforums.com/forum/x...ght=terraclean
Hope it helps
Good luck
Jim
Re your problems - an Italian tune up may help you, its cheap and worth a try?
You say you've receplaced the 02 sensors......all of them or just one?
Were they replaced with OEM originals or a cheaper aftermarket part......it could be an issue!
Have you thought of a Terraclean to decarbonise the engine?
Again in may help
I've added a few links below for you to consider
https://www.jaguarforums.com/forum/x...ght=terraclean
See the video in the link below and look at around 6m 34secs
https://www.jaguarforums.com/forum/x...ght=terraclean
Hope it helps
Good luck
Jim
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