JafaDiscoIV
Member Since: 16 Sep 2019
Location: Swindon
Posts: 41
  
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I've got a 3 litre diesel discovery 5 that suddenly shutdown while driving. When scanning the codes, I had an "injector circuit short to ground". With injector 6 electrical connector unplugged, the car would then start again.
Replaced the injector with one of the same part number and year, but now I'm getting an issue of long crank times when it's been sitting overnight, followed by (for lack of a better word) misfiring at partial throttle causing jolting while driving until the car has reached operating temperature, at which point it's back to normal.
If I unplug the MAFs everything goes back to normal and it drives perfectly minus the occasional long crank time when sitting overnight. No sign of any vacuum leaks.
Both MAFs have been cleaned, and live values are consistant with my other discoveries but the injector hasn't been coded - I've switched injectors before and never found it necessary. Could this all be due to a bad injector?
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 7th Sep 2023 10:59 am |
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Pimpintgepidge
Member Since: 17 Sep 2019
Location: Glossop
Posts: 123
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As process of illumination I would definitely get the injector codes. I changed 4 in a transit in January and I’ll ran ok for 2 days then it started playing up and it turned out the injectors needed to be coded. Engines now are very cleaver and are learning new values overtime. 2015 D4 HSE Loire Blue
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| 8th Sep 2023 5:57 am |
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