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hd

hd 10/4/2010

1984 Mercedes Benz 300D Base 5 Cyl 3.0L

Engine

Car starts but won't turn off

This started last week - daughter took it to the mall and it wouldn't turn off. Had her bring it straight home. Anyone know what might cause this?

5 Answers


Dave

Dave 11/15/2010

Whenever I work on the fuel filter, I invariably knock off a vacuum line near the firewall. Each time I do it, the car won't shut off. It's easy to get to. Almost definitely a vacuum problem.

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1
yboy82

yboy82 10/4/2010

It is possible that your ignition switch and/or ignition module is defective.

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0
tvandeve

tvandeve 10/20/2010

Try the link below. Lots of diesel information

http://dieselgiant.com/repairyourshutoffvalve.htm

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0
Ryan D

Ryan D 10/25/2010

I know this problem well, it means you have a significant vacuum leak somewhere. If you open the hood, there should be a shuf off switch that you can push and hold for a moment; it is located near the valve cover and air cleaner.

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0
Oxides

Oxides 10/25/2010

your car has a vacuum leak somewhere, probably at the hose on the ignition switch.

try locking your doors when you want to shut the car off. just try it. door locks are vacuum controlled and they usually do the trick.

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0

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