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1999 Jeep Cherokee Jeep Grand Cherokee- starts terrible

Tiny
BDCURTIS
  • MEMBER
  • 1999 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
My ZJ doesnt start well if I dont drive it less than a couple hours before is try to start it, it just rolls over not firing untill I turn the key back then start again and usually starts, but I go to school in the u.P. And im worried about issues during winter.
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Tuesday, September 15th, 2009 AT 12:12 AM

1 Reply

Tiny
EXTRUDEDCOW
  • MEMBER
  • 27 POSTS
The 4.0L engine's fuel system has a habit of losing pressure while it's parked. Turning the key to the on (but not start) position once or twice for a few seconds (you should hear the pump turn on then off) before attempting to start it will allow the fuel pump to pressurize the system. If it starts quickly after this procedure, you don't have anything to be particularly concerned about.
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Tuesday, September 15th, 2009 AT 6:38 PM

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