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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325   
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Recently the Defender seemed to develop a running issue at idle - but only after driving for around an hour.
It would cruise along quite happily but then when I came to a stop it would run roughly, almost as if it was running on three cylinders. Sounded like a Subaru on light throttle but then picked up again at higher revs. It felt as though one cylinder wasn’t getting fuel which was obviously apparent at idle but masked by the other cylinders/rotational mass at higher revs. After “the France incident” I suspected something wasn’t right with one or more injectors so figured this was a good place to start. A resistance test of each injector suggested they were all ok… I tested for signal at each injector harness connector using a noid test light which confirmed that each injector was getting power/pulse. Each fuel line to injector was getting fuel… So when the engine went into this rough idle state I pulled over and unplugged each injector one by one. Unplugging injector 1 caused the engine to almost die Unplugging injector 2 caused the engine to almost die Unplugging injector 3 caused the engine to almost die Unplugging injector 4 made no change to the running of the engine, it continued to run on three cylinders. Which suggested injector 4 was defective. I ordered a brand new (not reconditioned) Denso injector, fitted it, coded the ECU, got the engine up to temperature and did the injector learn process… Bingo, the engine has run lovely since so fingers crossed this marks the end of my engine woes? Time will tell… Interestingly when I removed the old injector the tip was bone dry, clean with slight rust - looked as though it had not been fuelling for quite some time. Probably since it stuck itself open in France! Moral of the story - don’t waste your time with reconditioned injectors, buy new.  Click image to enlarge Click image to enlarge > 110 XS Double Cab |
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18th Feb 2022 7:34pm |
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| Welshsurferdude Member Since: 23 Feb 2012 Location: Newport Posts: 2459
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Expensive lesson that with injectors!
New every time for me Glad it’s all fixed I’m still looking for my own puma 110 to replace the one I sold at 240k miles! 2011 Santorini Black USW XS. 2015 Discovery 4.5 Black pack Firenze red XS |
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19th Feb 2022 9:10am |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325
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Two 150 mile journeys done on the weekend. Defender is running well - plenty of grunt and no rough idle. Feeling hopeful that the injector was the last of the gremlins > 110 XS Double Cab
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28th Feb 2022 1:14pm |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325
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Cheers! Will keep eyes peeled for a Silver 110 USW and give you a wave
 > 110 XS Double Cab |
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30th Mar 2022 3:20pm |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325
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Three months on and with plenty of miles under my belt since faulty injector four was replaced... The engine hasn't missed a beat and the power delivery now its firing on on all cylinders is quite something. Hoping to do the North Coast 500 this year. > 110 XS Double Cab
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23rd May 2022 3:41pm |
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| L110CDL Member Since: 31 Oct 2015 Location: Devon Posts: 10983 
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That is good news Hank with not missing a beat
Hope you get to do the NC 500, you won't regret it  Clayton.
1996 Golf Blue 300Tdi 110 Pick up. Keeper. |
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23rd May 2022 8:53pm |
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| Welshsurferdude Member Since: 23 Feb 2012 Location: Newport Posts: 2459
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Just throw a 8HP and N57 in there and be done with it!
300BHP, that's where im gonna go with mine  2011 Santorini Black USW XS.
2015 Discovery 4.5 Black pack Firenze red XS |
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23rd May 2022 9:24pm |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325
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Look forward to seeing yours but for me it doesn’t make sense whilst the 2.4 runs well. Maybe one day if it dies a death.
NC500 looks great! Just need a second mortgage cover the fuel > 110 XS Double Cab |
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23rd May 2022 9:39pm |
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| Welshsurferdude Member Since: 23 Feb 2012 Location: Newport Posts: 2459
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N57 does 30+ mpg on a 8hp apparently
there you go! 2011 Santorini Black USW XS.
2015 Discovery 4.5 Black pack Firenze red XS |
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23rd May 2022 9:40pm |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325
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Injector cover has been cracked since I've owned the Defender which bugged me, but not enough to pay £55 for a new one. Recently picked up a genuine replacement from ebay
Click image to enlarge Click image to enlarge > 110 XS Double Cab |
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15th Jun 2022 6:10pm |
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| CarMan Member Since: 29 Nov 2010 Location: Cotswolds Posts: 1888 
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Result, assuming it was cheaper
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15th Jun 2022 6:36pm |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325
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Back in April
 my blower began to work only on speed 3 - suspected blower resistor pack failure.
I ordered a new JLR part 11th April but by mid June it was still on backorder so I cancelled and went for an OEM replacement. New part arrived within two days and I fitted it today - fiddly but ten mins later I now have blowers on speed 1, 2 and 3 again
New OEM part on the left, original one on the right Click image to enlarge > 110 XS Double Cab |
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21st Jun 2022 12:29pm |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325
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Sailed through another MOT this morning. Did have one advisory... "Oil leak, but not excessive"
I think this might be a weepy power steering reservoir hose - will investigate. The MOT tester did add "show me a Defender without an oil leak" > 110 XS Double Cab |
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29th Jun 2022 10:08am |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2325
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Fitted a new clutch switch which has cured the revs hanging between gear changes
Space is tight in there so I cut the ring off the old switch which allows you to remove the electrical connector and get a grip on the switch body to rotate it out with grips whilst holding the adapter fitting with a spanner to prevent it from unscrewing from the master cylinder JLR switch Click image to enlarge Cut the outer ring off the old switch Click image to enlarge This is what is left and can be turned out with grips Click image to enlarge > 110 XS Double Cab |
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4th Aug 2022 9:16pm |
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