''Restricted Performance " driving me crazy!
Veteran Member
Joined: Jul 2015
Posts: 1,536
Likes: 790
From: Sacramento, CA
Don't get frustrated. I found a flashlight with a weak battery.
1st pic- comming out of cam cover.
2nd- under intake in valley. Yous may not be in the exact same place.
3rd pic- close up of it at the base of the throttle body. Its a T connection and the other end attaches to something else. It's attached to silver nipple.
4th pic- wider view showing the throttle body
1st pic- comming out of cam cover.
2nd- under intake in valley. Yous may not be in the exact same place.
3rd pic- close up of it at the base of the throttle body. Its a T connection and the other end attaches to something else. It's attached to silver nipple.
4th pic- wider view showing the throttle body
Thread Starter
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Member
Joined: Aug 2015
Posts: 97
Likes: 2
From: WV
Pic 1
I do have the outer part in pic one. The piece that looks ribbed and black plastic nothing sticking out though will have to check. I also have the one running in the valley by the knock sensor. Soon as I get the part number I'll get it on order. I greatly appreciate the pic and all the help from the forum. I used to pay to have all work done on my baby times have changed and I must say I enjoy it but it's a long way from the small block chevys I cut my teeth on.
David
David
Junior Member
Joined: Apr 2017
Posts: 2
Likes: 3
Fry
Hi, I have a 3.0D XF and I suffered with the DPF full and restricted performance mode messages for months and considered selling the car. I bumped into a guy who fixed his after sufferong from the same problems and told me a simple and 100% fix ,now my XF runs as new with no DPF or RPM messages at all now.Firstly add Redex complete diesel clean with a tank of full and run to low fuel message , this will not fix it but will start the cleaning process. Now add a shot of Redex diesel clean every time you fill up and this will fix the problem after around 6 fuel refills . I have been doing this for 6 months now and I am DPF and RPM message free and my car drives like new .
Hi all,
My 4.0 liter X308 is in restricted performance mode. It will start and idle just fine. If you drive it easy it runs fine if you get on it, it falls flat on its face. I am trying hard to work on this myself as I currently have two with an XK8 coming soon. I digress I've checked the coil packs at idle all seem to be firing. I've changed plugs, installed a new knock sensor as the other ones wiring was brittle and fraying. What should I check next. There was a time the wife was running regular gas if that matters the tank has premium now. Any help is appreciated as Jag mechanics in my area are few.
Thanks
My 4.0 liter X308 is in restricted performance mode. It will start and idle just fine. If you drive it easy it runs fine if you get on it, it falls flat on its face. I am trying hard to work on this myself as I currently have two with an XK8 coming soon. I digress I've checked the coil packs at idle all seem to be firing. I've changed plugs, installed a new knock sensor as the other ones wiring was brittle and fraying. What should I check next. There was a time the wife was running regular gas if that matters the tank has premium now. Any help is appreciated as Jag mechanics in my area are few.
Thanks
Joined: Dec 2011
Posts: 120,439
Likes: 17,003
From: Durham, UK
Fine for a diesel but not something I would consider with a petrol V8 engined X308.
Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some info about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.
Graham
Junior Member
Joined: Apr 2017
Posts: 2
Likes: 3
Welcome to the forum Andy,
Fine for a diesel but not something I would consider with a petrol V8 engined X308.
Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some info about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.
Graham
Fine for a diesel but not something I would consider with a petrol V8 engined X308.
Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some info about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.
Graham
