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97 suburban oil pressure

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New User

Aug 6, 2008, 10:04 AM

Post #1 of 2 (2422 views)
97 suburban oil pressure Sign In

1997 GMC
5.7 l v-8

My oil pressure gauge is acting up. When I first start it it's fine, but as I accelerate the pressure rises(up to 40psi), but if I slow down or stop it plummets to 0psi. Do I just have a gauge going out or do I need to look at an oil pump. Anyway to troubleshoot this, I'm not much of a mechanic outside of light maintenance.

Double J
Veteran / Moderator
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Aug 6, 2008, 10:53 AM

Post #2 of 2 (2419 views)
Re: 97 suburban oil pressure Sign In

Connect a mechanical gauge and take the reading that way.
This will determine if there is an engine oiling problem or just a gauge and/or sender problem.


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