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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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Injector swap are they coded? D5Views : 1558 Replies : 20Users Viewing This Thread : |
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Dec 5th, 2017, 21:39 | #11 | |
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Dec 5th, 2017, 23:01 | #12 |
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In a previous D5 I had, one dodgy injector only manifested itself as a rough idle but was fine under load. Makes sense as the increase in fuel pressure at higher revs would help mask any slight loss in output that would be more significant at low revs.
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2008 XC70 3.2 SE Lux with LPG conversion - current 2005 XC70 D5 SE Lux - sold 2004 XC70 D5 SE Lux - written off by another XC70 2001 V70 D5 - sold 2000 V70 Classic 2.4 - sold |
Dec 5th, 2017, 23:33 | #13 |
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On the leak test is it done on tick over and under 40mm per minute ok or rev to where it shakes?
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S80 P3 SE LUX D5 Auto |
Dec 5th, 2017, 23:56 | #14 |
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I did my leak-back test at idle, following the guidance of my favourite YouTube channel:
https://www.youtube.com/watch?v=bbQhKjj6jis I use a proper leak-back kit as it has metal fittings on the end of the hoses that connect to the top of the injectors. As far as I know, the common rail pressure stays the same at all engine speeds, and therefore the fuel back-leakage would also stay the same - in other words, I don't think you need to do a leak-back test at higher engine revs. I could be wrong though - happy to hear otherwise.
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V70 D5 185 SE Lux P3 (with rear integrated booster seats, which the kids love !!) |
Dec 5th, 2017, 23:58 | #15 |
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I did my leak-back test at idle, following the guidance of my favourite YouTube channel:
https://www.youtube.com/watch?v=bbQhKjj6jis I use a proper leak-back kit as it has metal fittings on the end of the hoses that connect to the top of the injectors. As far as I know, the common rail pressure stays the same at all engine speeds, and therefore the fuel back-leakage would also stay the same - in other words, I don't think you need to do a leak-back test at higher engine revs. I could be wrong though - happy to hear otherwise. RE: engine shake.....my D5 185 produces about the same amount of vibration regardless of engine speed (in my case, not much vibration). It's a manual.
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V70 D5 185 SE Lux P3 (with rear integrated booster seats, which the kids love !!) |
Dec 8th, 2017, 19:17 | #16 |
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fault code P155185 - injector cylinder 1 - signal to high - permanent.
Got this fault which keeps coming back. Had an oscilloscope on the injector wiring and all looks good no missing signals etc. Called the local injector diesel place about the fault who suggested swapping injector 1 with another and see fault follows the injector. If i do this will any codes need entering? Are they coded to the car or to each cylinder position?
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S80 P3 SE LUX D5 Auto |
Dec 14th, 2017, 09:41 | #17 |
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No one got a clue on the injector swap between cylinders?
Has anyone got Dice to see if each injector is coded to a cylinder? Thanks.
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S80 P3 SE LUX D5 Auto |
Dec 14th, 2017, 22:29 | #18 |
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If its the same as earlier D5's then you should be able to swap them around ok, but if you're doing it by the book, you should replace the pipes and the clamps which is an expensive option just to move a potentially faulty injector to another cylinder.
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2008 XC70 3.2 SE Lux with LPG conversion - current 2005 XC70 D5 SE Lux - sold 2004 XC70 D5 SE Lux - written off by another XC70 2001 V70 D5 - sold 2000 V70 Classic 2.4 - sold |
Dec 14th, 2017, 22:31 | #19 |
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Got new clamps bolts and copper washers. Swapping to see if fault follows the injector.
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S80 P3 SE LUX D5 Auto |
Dec 15th, 2017, 19:57 | #20 |
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Swapped injectors today but the fault stays with number 1 so back to the drawing board.
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S80 P3 SE LUX D5 Auto |
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