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Home > Technical > Rough cold idle - what's the diagnosis?

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Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2638

yikes, the problem is getting worse! this morning on startup, there was a large white cloud of smoke, which didn't go away for at least 5 min, even while driving. I ran a scan and there were a lot of faults about injectors: Click image to enlarge and also these: Click image to enlarge Now my battery is dying, could a low battery cause this? -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ Last edited by Naks on 22nd Jun 2017 9:50am. Edited 1 time in total

21st Jun 2017 6:41am

dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586	Sorry Naks but I can't see the photos.... Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition IID Pro MV License
21st Jun 2017 6:22pm

dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586	Naks wrote: yikes, the problem is getting worse! Now my battery is dying, could a low battery cause this? Normally not, the Defender isn't "battery sensible" like the D3 or D4 go or no go..... Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition IID Pro MV License
21st Jun 2017 6:25pm

Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2638

Dammit, I was hoping it was just the battery. In any case, the battery is 7 years old and is busy dying, so replacing it won't hurt. I will report back once I get the car back from the auto electrician. -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

22nd Jun 2017 9:51am

Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2638

update: replacing the battery had no effect on the smoky startup waiting for a slot at my indie to have the VCV replaced. -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

23rd Jun 2017 8:03am

jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8029	did you solve this? my 90, 2.4 69k miles has same symptons as original post under same conditions. had do i check VCV and Fuel pressure rail relief valve?? MAP and MAF are good. Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop
12th Sep 2017 8:45pm

Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2638

Not yet James, landy is in the shop this week for the glow plugs & injectors to be removed & tested while I'm going to Singapore. I will report back once the tests have been done. -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

13th Sep 2017 3:53am

jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8029	ok, so its obviously not a show stopper from using it then considering the time. Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop
13th Sep 2017 4:53am

Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2638

James, that is correct, I have been driving it like this since June. BUT, if the injectors are fubar and leak too much diesel, you run the risk of burning holes through the pistons. There is also the risk of the engine oil being diluted too much, which can cause the crank to snap. I have avoided doing any long distance driving (anything over 40km) just in case. -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

13th Sep 2017 7:43am

jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8029	she is not burning excessive diesel or loosing it and engine oil is all good. would that indicate more likely to be the PRRV? Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop
13th Sep 2017 1:10pm

Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2638

Just heard back from my indie: injectors were tested and are fine. Glow plugs are also fine. Not sure where to go from here. -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

19th Sep 2017 11:32am

jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8029	EGR? Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop
19th Sep 2017 1:15pm

Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2638	no, the EGR is shut via the remap. -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
20th Sep 2017 5:28am

DavinaTree Member Since: 23 Jun 2019 Location: East Sussex Posts: 14

im having somewhat similar issues to those in this thread so im watching this too. loss of power and low down torque- occasional pulsing or lumpy idle, checked a lot of things and autologiced etc etc, wrote it off as a minor gremlin on mechanics advice but I definitiely think im going to change the VCV - does anyone who has done it think they could write a tutorial or does anyone have a link to a video or summat? TIA Merry Christmas n all that..

29th Dec 2019 9:35pm

skidrov Member Since: 06 Oct 2013 Location: Melbourne Posts: 55	Just did mine, the most useful post I found was: https://www.defender2.net/forum/post743584.html#743584 The only thing I'd add is to make sure you get a good quality VCV - there are suggestions in the linked thread. As it happens, I got mine from BAS, which worked out well for me. Finally, most of the linked thread is around the 2.4, can't comment on relevance to the 2.2.
30th Dec 2019 7:13am

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