Question about 2001 Isuzu Trooper

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2001 Trooper turbodiesel oil pressure gauge

My 2001 Isuzu Trooper oil gauge won't budge and the oil pressure light will stay on after starting the engine. It takes time for these gauges to work.
Can you please advise me on this.

Thank you

Acer,

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Drop the small tin sump down and look at the longer of the pick up pipes for a bad O seal or cracking .
This lets the pump pull in air so you dont get pressure - some times they even fall right off .

Posted on Aug 27, 2009

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Check oil pressure with test gauge from near large engine oil filter and cooler assembly, to rule out sender unit issue, if same readings check oil pick up sucking air O ring leaking?
releif valves in oil filter cooler assembly, stuck/jamming open?
if vehicle has been sitting for a couple of days and this happens light should only stay on 1-2 seconds go out and then gauge starts reading
have seen this on older higher km vehicles bad ones have balance shaft centre journal in sump worn out (new sump)

Posted on Jul 27, 2009

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