Gauge Adjustment?

By flopeyeman
April 8, 2008 in Ask A GM Technician

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flopeyeman

Posted April 8, 2008

Is there any way to adjust the readout of the gauges on my 1988 Chevy 5.7? When the truck is parked engine off key on the Oil pressure gauge reads 30llbs and the speedometer reads 10 mph! With the engine running oil pressure gauge is pegged!

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