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Old 09-11-2022, 10:29 PM
BogfordGarage BogfordGarage is offline
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Join Date: Aug 2020
Location: Devon, UK
Vehicle: 1990 Volvo 940 TD & 1989 Volvo 760 TD
Posts: 59
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Hi. The timing tools you bought look good hopefully they fit okay. The sudden missing and holding itself back is probably fuel related, perhaps if you have a fresh fuel filter it is a bad injector or maybe a sticky delivery valve on the pump, more likely an injector though. One inexpensive thing you could try before spending silly money is get a new fuel filter or empty your existing one if it's almost new, fill it with a diesel injector cleaner or Automatic transmission fluid (ATF) screw it back on. Run her up for a good while and that should clear any small dirt or debris if that's what's causing the problem. Be warned some people don't like using ATF to do this, in my experience it works better than any crap injector cleaner you can buy. Also do you have the green book service manual for this engine? It may help you out a lot.
Cheers
Tristan

Last edited by BogfordGarage; 09-11-2022 at 10:36 PM.
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