2000 Mercedes Benz ML320 Car Wont Start

2000 MERCEDES BENZ ML320
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YOMAS
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2000 Mercedes Benz ML320 Four Wheel Drive Automatic 122000 miles

My car works well however, when I get in to my car and drive it. ...I will turn off the car and return and find it will not start back up again. Sometimes I have to wait anywhere from 10 minutes to an hour before it starts back up again. I have replaced the battery but this problem continues. Please help?
Dec 27, 2009 at 1:44 PM
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RASMATAZ
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Do below to determine whether it's a spark or fuel problem:

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it
Dec 28, 2009 at 12:21 AM