Mechanics

OIL PUMP

1998 Jeep Cherokee

Engine Performance problem
1998 Jeep Cherokee 6 cyl Four Wheel Drive Automatic 160000 miles

DOES THE MOTOR HAVE TO COME OUT TO REPLACE THE OIL PUMP?
ALSO I HAVE CHANGED THE SENSOR PRESSURE WHEN WARMED UP IS 10 @ IDLE AND GOES TO 40 WHEN DRIVING. WHEN COLD IT STAYS @ 40, UNTIL IT WARMS UP. AM I LOOKING AT THE RIGHT THINGS.
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RODM
November 20, 2008.



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