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Old 11-14-2011, 08:53 PM   #1
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Default oil pressure guage jumps

Could anyone give me a answer to why my oil guage jumps between 18 to 35? I just replaced the sending unit because the guage was pegged at 120 all the time. The engine is a 2000 3800 supercharged. Please help. I'm getting very worried it may be something bigger than the car is worth.
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Old 11-14-2011, 08:56 PM   #2
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Does it fluctuate when your rpms go up and down?
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Old 11-14-2011, 08:59 PM   #3
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Yes, but it also goes up and down at a steady idle
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