2001 Isuzu Trooper low oil pressure

2001 ISUZU TROOPER
63,000 MILES • 6 CYL • 2WD • AUTOMATIC
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A_J_BUSE
  • MEMBER
  • 1 POST
Hi,
I just purchased a 2001 Isuzu trooper. My question is, what is the oil pressure suppost to be? When cold it is at 85 psi, driving and at idle. Than when it's warm it drops down to about 40 psi while driving and 10 psi at idle. Is this normal? I put synthic 10w 30. What oil should I use?

Annette
Oct 14, 2008 at 3:55 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Oil pressure okay- Use 5W-30
Oct 14, 2008 at 4:26 AM
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