Question about Mercedes-Benz 300-Class

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I have a 1992 E300 gas mercedes 4 door sedan. Always started and ran great until recently. Just had motor mounts and fan belt mechanism replaced. Car starts ok initially but after 5 minutes if i stop the car, it won't restart. Turns but just won't catch. I just replaced the fuel pump relay but that didn't help. Have a buyer but he will be hesitant unless I remedy or at least know what problem is. Thanks for any help/advice.

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Check spark plugs and eventually replace air filter.
Is it an injection or carburetor model?
If it injections it is probably a dirty injector or a computer problem.
If it is carb you need just to regulate carburetor.

Posted on Jul 22, 2008

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I have a 1992 toyota camry tha wont crank. and just for simplicity i will write a time line of what has gone on with the car. -Replaced timing belt(year ago) -Replace broken motor mounts(3 months ago)...


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while they hold kek in crank position tap the starter motor with a hammer to free the crrap... that shuld do it!

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1 Answer

E300 sprodic starting


When you get this kind of problems, you always start replacing plugs, and eventually air filter and fuel filter if they are dirty.
Once you exclude this simple causes, usually is either an injectors problem, or an ECU problem.
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YOu cannot test or fix the ECU at home, it must be connected to a machine that controls computer and check fuel flow at the same time, you need to do this in a garage.
Start doing the simple things, and eventually go to a mechanic if problem keeps going.

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