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1998 Jeep Cherokee FUEL PRESSURE SPECS

Tiny
BARRACKVILLE
  • MEMBER
  • 1998 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 141,000 MILES
IF I CYCLE THE KEY AFTER SETTING OVERNIGHT FUEL PRESSURE READS 10 PSI CRANK, CRANK, NO START, CYCLE KEY AGAIN 50 PSI. IT STARTS FINE AFTER THAT. WHAT IS THE RUNNING PRESSURE SPEC, I READ 48 PSI JEEP RUNS FINE.
Wednesday, September 29th, 2010 AT 10:22 AM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Fuel pressure should be 44.2-54.2 psi
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Wednesday, September 29th, 2010 AT 10:29 AM
Tiny
BARRACKVILLE
  • MEMBER
  • 8 POSTS
SHOULD PRESSURE BE TO SPEC ON INITAL START, IS THIS A REGULATOR PROBLEM OR PUMP PRESSURE PROBLEM, I WILL REPLACE WITH COMPLETE PUMP MODULE
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Wednesday, September 29th, 2010 AT 10:41 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Pinch the return line the fuel pressure should double if not replace the fuel pressue regulator
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Wednesday, September 29th, 2010 AT 10:44 AM
Tiny
BARRACKVILLE
  • MEMBER
  • 8 POSTS
DOES THIS HAVE RETURN LINE?IS THE REGULATOR IN PUMP MODULE ASSEMBLY?
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Wednesday, September 29th, 2010 AT 10:48 AM

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