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Old 02-17-2003, 09:33 PM
firstdiesel's Avatar
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Join Date: Sep 2002
Location: South Florida
Posts: 238
idle problems

I have a '80 300TD and I have been experiencing poor to very poor idle when the tank is less than 1/4 full. The rest of the time it idles just fine. I have also been experiencing fuel leaking from the injector bypass lines and around the black plastic ring around a couple of injectors after prolong driving. Any suggestions?
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Old 02-17-2003, 11:59 PM
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Join Date: Apr 2002
Location: Northern Va.
Posts: 129
You need to replace the braided bypass lines and check all injector connections...leaks are not good and should repaired. I would also change the fuel filters. Maybe you have some crap in your fuel tank or the pick-up in the tank has a problem.
1983 300SD 343K everyday car
1983 300SD 285K from junk yard-tooks parts from deer car- runs great. Brothers car.
1984 300SD parts car-Hit deer
1979 300D 175K non-turbo "Doctor"
1979 300d parts car
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Old 02-18-2003, 12:18 AM
'82 300TD-T
Join Date: Oct 2001
Location: SoCal
Posts: 276
regarding the idle and fuel tank level, read about my experience:

My First Cause for Concern

short answer to the above question: check your fuel tank screen (in addition to what CHAPP said...)
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