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Old May 4, 2005 | 08:29 AM
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My oil presure is running at 129-130psi, should I be alarmed or could this be normal, I just changed the oil and it is the same.
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Old May 4, 2005 | 09:08 AM
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Sounds like the oil pressure sending unit decided to die. Its located at the back of the intake manifold, it’s in a tight location. This is kind of a common problem.
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Old May 4, 2005 | 09:15 AM
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Mine did the same thing this morning on the way to work, 115- 120psi. 65psi when engine isn't running. Needs oil pressure sending unit like he said.
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Old May 4, 2005 | 09:01 PM
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That makes sense, thanks a lot.
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Old May 4, 2005 | 09:47 PM
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Mine has the same issue. I replaced the senosr with a GM PartsDirect one and it lasted less than a day. Tried to get it warrantied, no-go, unless I agreed to a $80 diagnostic.

BTW-The service rep said this could not be a common C5 problem or he'd have a shot full of vettes needing OP sensors, what
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Old May 5, 2005 | 07:40 AM
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part #12573107 about 30 bux at gmpartsdirect.com
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Old May 5, 2005 | 09:39 AM
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It's a common problem. I'm on a 3rd one now and gave up on dealer. I'm not paying another $150 to replace.
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Old May 5, 2005 | 09:44 AM
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BTW-The service rep said this could not be a common C5 problem or he'd have a shot full of vettes needing OP sensors, what [/QUOTE

]

Typical answer from a service adviser. As a long time member of the C5 registry, I have seen this topic come up many times over the years. I do not know his definition of “common”, but I would have no problem using that term.
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