after running a while the engine shuts down and you have to wait 15-20min to restart

2005 MERCEDES BENZ 430E
100,000 MILES
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MPL 123
  • MEMBER
  • 1 POST
runs great, after running a while the engine will turn off and wont restart. If you wait about 15-20min it will start up and run great again for a while and repeats
Feb 6, 2012 at 9:32 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Start by checking and monitoring the fuel pressure-fuel pump could be failing
Feb 6, 2012 at 10:34 AM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
Have it scanned for codes while the problem is occurring. Check spark when the problem is occurring. Check the fuel pressure when the problem is occurring. Make sure the injectors are being properly pulsed when the problem is occurring.
Feb 6, 2012 at 10:37 AM
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