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Leaking Fuel Injectors - '83 300SD
We are experiencing leaking fuel injectors and the motor will not shut off. I'd like to know if I need new injectors or can repair existing ones, and what other things you may recommend I check for fuel leaks. Any info is greatly appreciated.
Thanks very much! |
#2
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MB Family,
Leaky fuel injectors ( if U have them at all) have nothing to do with the engine (NOT MOTOR) shutting off. Fuel shut off on your engine is vacuum controlled and not shutting off is a vacuum problem. B TW, Where do U think your injectors are leaking? P E H |
#3
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Quote:
Check to see if you have vacuum from the pump, then pull vacuum somehow on the shut off valve to determine if it is working.
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83 SD 84 CD |
#4
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Some members have said disconnect the hose at the shut off on the IP and run a vacuum hose to the shutoff on the pump and put the end in your mouth and suck on it. If it shuts off there is a good chance the shut off valve is OK. Other wise take a good look at the vacuum lines chances are a plastic connector is broken or a hose came off. If you have a vacuum guage ($13-$18 at Harbor Freight) so much the better.
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84 300D, 82 Volvo 244Gl Diesel |
#5
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Hi Everyone,
Thanks very much for the info. After checking more closely, it does look like its the lines that are leaking. |
#6
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Quote:
I heard some folks run a line to just outside the hood, and suck on it. My SD just started doing this, all of a sudden, have checked the pump and valve. I'm afraid the ignition switch is the culprit.
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83 SD 84 CD |
#7
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MB Family,
Get a meter of return fuel line from MB and replace the lines that are leaking. Keep the spare leftover line in the car. Puting a little grease on the injector nipples will make it easier to put the new lines on. Make the lines about 3 cm too long and if they leak again, U can cut off the ends and reuse the lines. They usually only go bad near the end. P E H |
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