1997 GMC Jimmy high oil pressure

1997 GMC JIMMY
15,000 MILES • 6 CYL • 4WD • AUTOMATIC
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RJCNOV11
  • MEMBER
  • 1 POST
pressure gage reads to the high side and i have a check eng light on performance is slugish
Feb 23, 2010 at 8:48 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
if you don't put a emchanical oil gugae on to check you have just a general idea on it. 50-60p.si. at 200 or so rpm is normal. and 20 p.s.i. at idle is ok too. You need to get the codes read to see where the problem is for the service engine light.
Feb 23, 2010 at 11:44 AM
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