1985 Mercedes Benz 300se

Tiny
LEFER9
  • MEMBER
  • 1985 MERCEDES BENZ 300SE
Engine Performance problem
1985 Mercedes Benz 300se V8 Two Wheel Drive Automatic

My 1985 Mercedes 380 SE, will not start after its been driven buty wi9ll start after I wait 1 hour
Thursday, February 18th, 2010 AT 6:23 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Next time don't wait for nothing do below to determine whether it's fuel or spark issue.

Cranks but no start condition:

Fuel and Spark:
Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 3/16 away from ground -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.
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Thursday, February 18th, 2010 AT 7:32 PM

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