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Iid advice
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3
Iid advice

Hi everyone
Can i use the iid tool to determine whether i have a faulty O2 sensor?
No codes relevant to the sensor are showing but i am getting very strange values accross all of my injectors causing a misfire /stall (new injectors fitted yesterday but missfire still present)
The missfire is bad at idle and amooths out with higher revs and seems to come and go
Tried everything i can think of but just cant pin point why its idling so badly and why injector values are all over the place and high readings move from cylinder to cylinder
Thanks
Lee
 ....................................................................................................


If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #18858762nd Dec 2017 7:01 pm
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Aerialmark
 


Member Since: 21 Jun 2015
Location: Burnley (Where the M65 is cobbled)
Posts: 5189

England 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Has the butterfly valve been removed when you had the egr,s blanked Lee ? That was my problem with the misfire at low revs. When Mick removed it all was cured. I had paid for new injectors and they were not the problem Big Cry By the way all the same symptoms as you have Thumbs Up
 The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have. 
 
Post #18858792nd Dec 2017 7:07 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Bought 2 years ago mark and egrs were blanked
Car has run faultlsly for 24 months now missfire/stalling/ injector values all over the place, then it runs fine, then reverts to being a Censored
The pipework is still in place
No idea if butterfly valves there or not
What is the check/remedy mate?
 ....................................................................................................


If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #18858822nd Dec 2017 7:11 pm
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Aerialmark
 


Member Since: 21 Jun 2015
Location: Burnley (Where the M65 is cobbled)
Posts: 5189

England 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

You would have to open the throttle body and its inside there Thumbs Up It made a lot of difference to mine Lee Thumbs Up Have a word with Mick Flack he sorted mine during the cam belt change. Good luck fella.
 The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have. 
 
Post #18858862nd Dec 2017 7:21 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Cherrs bud worth a shot👍
 ....................................................................................................


If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #18858882nd Dec 2017 7:23 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Removed butterfly valve today Mark👍
After which all injector values looked bob on (all near 1000) on iid
But soon went back to erratic and missfire/rough running was there all the time
Worth a try though pal
 ....................................................................................................


If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #18862913rd Dec 2017 8:16 pm
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Aerialmark
 


Member Since: 21 Jun 2015
Location: Burnley (Where the M65 is cobbled)
Posts: 5189

England 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Thumbs Up
 The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have. 
 
Post #189060315th Dec 2017 2:56 pm
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