Question about 2003 Pontiac Bonneville

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Oil presure is at 120psi. Oil level ok, not over heating, no strange sound. Could it be the Oil sending switch. One last point, It started saturday and I have put on over 250 miles.

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It could be the sender. hook up an manual gauge to verify the true psi..if it s 120psi you either have a spun bearing or blockage on the pressure side of the pump..possibly one of the passages on the lower end or a spun rod or main bearing somewhere.

bill

Posted on Sep 29, 2009

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