2002 Jeep Cherokee Engine Cranks But Wont Start Unless Peda

Tiny
SWEERES
  • MEMBER
  • 2002 JEEP CHEROKEE
  • V8
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
I have a 2002 Grand Cherokee, engine cranks but wont start when cold, but when the pedal is pushed to the floor, it starts. Any idea what the problem is?
Tuesday, March 17th, 2009 AT 10:48 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The coolant temperature sensor acts as a choke in a carbuerator to enrichen the A/F mix on a cold starts -Cold engine needs more fuel -check the sensor's resistances hot and cold if okay

Check the fuel pressure this will tell something about the fuel pump
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Tuesday, March 17th, 2009 AT 11:09 PM

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