Hi I have been here since 04 and love the site. I have been able to maintain my deisel myself and kept her out of the scrap yard. Recently I have a puzzling problem that I have not been able to correct. First the car started running rough. I had been runing a little filtered wvo with deisel about 15% wvo. So I figured I had clogged a fuel filter. I changed both. No help. I checked the tank screen no help. I ran deisel purge through from the tank hose (straight not blended with fuel) Ran great! I then refilled (partially) the fuel tank with straight deisel. Back to the same problem. I checked the hoses on top of the injectors to be sure I had no leaks no help. I had changed the oil recently and put in 15w 50 royal purple and a new filter. The car has no power and can't be taken on the road(stranded twice) It seems to get to a point where it will start run rough and then die. Any help? I love this car and want to keep driving her. I am starting to wonder if its the injectors or the injector pump. But this happend pretty suddenly. Thanks for any assist.
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1982 300td wagon with 424,000 miles running strong
1983 300 coupe with 279,000 not running.
1984 300sd with 200,00 running well
1995 S420 with 156,000 running well but sitting until OPEC gives me a break.
1993 Ford crewcab with new 7.3 international with 190,000 miles.
In sunny south FL. Mostly with wvo on the diesels.
I have been told there is no adjustment left in the valves. But why would this happen so suddenly. I mean like overnight? I did notice that my primer doesnt seem to be working either. Would a bad primer cause this?
As I said all the screens/filters have been checked an/or replaced,that would seem to be the obvious solution though. The deisel purge ran great and I had more power when it was in the fuel line.
I run +35% WVO in 4 cars for the last 5 years and had no problem with the engine.
It actually run better.
Next to check is the ALDA and there is a great post explaining that procedeure.
Vehicle: '83 300SD-daily driver '84 300CD-weekend car
Location: central Va
Posts: 1,089
Quote:
Originally Posted by gdstealth
I have been told there is no adjustment left in the valves. But why would this happen so suddenly. I mean like overnight? I did notice that my primer doesnt seem to be working either. Would a bad primer cause this?
If you have a 617 engine, you can adjust the valves. Don't know why you would run out of adjustment.
Yes, a bad primer pump will cause your symptoms.
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