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  #22  
Old 27-09-2018
anths  anths is offline
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Sounds exactly what mine was doing a few years ago , turned out to be a faulty Map sensor in the inlet manifold... try cleaning if not replacing
  #23  
Old 03-11-2018
croitoru  croitoru is offline
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ok...life doesn't seem to give me a break... work was mad but most annoyingly, got the gearbox fixed for about 8 weeks then...
XJ 1998 VM - stopped going into 3rd - again - stripped fork. They replaced pressure plate, said take in again after 500 to 1000k for check.
Original problem- on original topic - got a Bosch scan from SCE Lawton today (no engine check light if course that picked up P1660 , which seems consistent with behaviour.
This guy seems yo have travelled yhe path...
http://jeep-club.co.uk/viewtopic.php?t=6623

Another bad news is that my ZJ is making rear end noises, lent it to my gf for a week got way worse...diff oil spilling out of rear...will have to take a look.

I hate when people post and ask for advice then once their issue is solved they never post back... so yeah, I'm slow on progress updates, but I WILL post back until the issue is solved.
  #24  
Old 03-11-2018
croitoru  croitoru is offline
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@laydback40 - I think you're right ... I've thrown away everything I know about petrol and trying to learn diesel...It would be fun if it wouldn't be so painful at the moment �� Thank you, it's the right mindset change...
  #25  
Old 03-11-2018
croitoru  croitoru is offline
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Quote:
Originally Posted by anths View Post
Sounds exactly what mine was doing a few years ago , turned out to be a faulty Map sensor in the inlet manifold... try cleaning if not replacing
Can I ask how did you clean it please?
  #26  
Old 03-11-2018
croitoru  croitoru is offline
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ok... p1660 FM details are at odds with the link posted above...
http://zinref.ru/avtomobili/Jeep/100...NGLISH/623.htm
wonder if I should just get a complete pump? Anyone has a good second hand one?
Love the truck but it's driving me nuts instead of me driving it nicely...
  #27  
Old 03-01-2019
croitoru  croitoru is offline
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Spare MAF swapped. drove disconnected for test, drove like crap, so not that.
Fuel cuttoff valve changed - code didn't come back...so not that
Fuel and air filter changed - fuel filter bled - so not that.
Oil and oil filter changed - so not that
Injector #1 resistance is 117 Ohm, so probably not that.
Currently running diesel cleaner and acetone in tank.
Still throws back like a rubber band when going uphill and hitting ~2000 rpm - loss of power... don't have to downshift, seems to be self regulating, I can climb in 4th and 5th but at at steady ~2000 rpm and 60-80 kmph.... if it's to high will slow down then kick power back in and climb steady as long as it stays around 2000 rpm.
I'm running fast out of ideas and research. It obviously only happens on incline or under engine load - seems relatively fine on flat and definitely a rocket with the even slightest downhill...

Last edited by croitoru; 03-01-2019 at 04:27 PM.
  #28  
Old 03-01-2019
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amlav  amlav is offline
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I've just replaced my injector no 1 and next I want to measure the signal level coming from the needle sensor coil with an oscilloscope (just so I know ).
There is a chance that your signal from the needle sensor doesn't gets to the PCM (wiring broken in the loom maybe or loose contact ).
Before replacing pump have a good look and see how you go .
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