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| bob neville Member Since: 30 Apr 2009 Location: Marbella Posts: 3247   
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If you have had clutch work done recently my first area to check would be the crankcase sensor.
That will cause the lumpy running, I know as mine was missing the spacer ! Take it out and see if there is any damage to the end. Pure guess is that the knocking may be related ? Bob 2015 Jaguar XE240 R Sport - goes like ....... !! 2013 Defender 90 CSW - sold 2009 Defender 110 Double Cab - sold 2001 TD5 90 CSW - offroad project - sold to a forum member 2011 Porsche Boxster - for the sunny days ! |
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3rd Jan 2014 7:04pm |
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| Tom DCab Member Since: 13 Jun 2013 Location: West Sussex Posts: 33  
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Thanks Bob, I will give that a try tomorrow.
I am trying to find out whether the 'oil in the loom' symptoms might be similar to what I am experiencing. I know that rough running is a symptom so i will check the ECU as well as the crank sensor. |
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3rd Jan 2014 7:14pm |
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| bob neville Member Since: 30 Apr 2009 Location: Marbella Posts: 3247
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Oil in the loom will cause rough running as well.
It is the tapping bit I can't work out. Bob 2015 Jaguar XE240 R Sport - goes like ....... !! 2013 Defender 90 CSW - sold 2009 Defender 110 Double Cab - sold 2001 TD5 90 CSW - offroad project - sold to a forum member 2011 Porsche Boxster - for the sunny days ! |
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3rd Jan 2014 7:17pm |
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| Tom DCab Member Since: 13 Jun 2013 Location: West Sussex Posts: 33
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The engine is still misfiring constantly at tickover and at all revs.
Called the AA out this afternoon to look at car. He was unable to diagnose the fault as his diagnostic computer (OBD) was unable to communicate with the ECU properly. (which he said he had never experienced before) His hunch was that it might be an injector problem, although it made no knocking sounds which may or may not have changed his opinion on what the problem might be. Decided to take it to a garage I had spoken to earlier. On the drive there is did not do the knocking sound at all but unfortunately by the time I got to the garage they were closing - so were not able to look at it. I could have left it with them but they said they were very busy and would not able to look at it until next week. So I decided to drive it home again rather than leave it there for 5 days. During the drive home it started to make the engine knocking sound, exactly as it had done on the motorway. It is quite a loud, fast knocking (3 or 4 knocks per second) but irregular. It is dependent on engine speed, not road speed. I am trying to decide what is the best course of action is now: Do I purchase my own Landrover dedicated fault reader, such as Britpart Lynx / Hawkeye / Nanocom EVO and try and diagnose problem myself? Take it to a Landrover independent, although I have to say that I am struggling to find one nearby (does anyone know of one near Haslemere Surrey?) Or bite the bullit and take it to Landrover Main Dealer...  Out of desperation!
Be very grateful for further advice... (engine temp fine, oil level fine, no oil in red ecu terminal, no smoke, starts easily, just a misfire and odd engine tapping which is intermittant) |
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7th Jan 2014 9:05pm |
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| adseybear Member Since: 08 Oct 2009 Location: Vancouver, Canada Posts: 260 
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The nearest I can point you in the direction of, and recommend myself would be Challenger 4x4 in Tongham (near Farnham/Aldershot).
I have used them several times. 2003 Defender 90 Td5 CSW Belize Green - "Betty" 1958 Series IIA 109 Station Wagon - "Randolph" - Awaiting Restoration 2019 Jeep Wrangler JL Rubicon - SOLD 2006 Volvo V70 D5 - Ocean Race Edition, SOLD 2003 VW Passat Estate 1.9TDI - SOLD 2008 BMW 320D M Sport Estate - SOLD 2001 Defender 90 Td5 Hard Top - SOLD |
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9th Jan 2014 1:33pm |
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897  
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My guess from personal experience is to change the injector harness (whether it shows oil at the connector or not) and fit new injector seals.
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9th Jan 2014 1:50pm |
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| Tom DCab Member Since: 13 Jun 2013 Location: West Sussex Posts: 33
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Thanks Guys,
I managed to get a diagnosis done today at More4x4 (Kingsley) near Bordon who have been excellent. Autologic diagnostic found that the cylinder balance on cylinder 2 was incorrect. On inspecion the injector is jamming up and not allowing the spring loaded injector spindle to return to its raised position when the cam lifts. This was what was causing the intermitant knocking sound - the cam slapping the top of the compressed spindle. New injector will be fitted tomorrow so hopefully problem solved. |
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9th Jan 2014 7:37pm |
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| Ruari Member Since: 10 Dec 2013 Location: Ayrshire Posts: 50 
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Remember your new injector will need to be coded to the ecu.
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13th Jan 2014 1:04pm |
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