P0521 or P0523
December 22nd, 2016, 4:13 PM
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P0521 or P0523
Hi I have a chevy impala 2008. the above codes are displayed when I had my service engine light diagnosed. Please let me know what this could mean. I had an oil change about 5 weeks ago. I don't know if that is significant info. Help!!! please. High oil pressure. What does this mean?
Last edited by dgtownsendrn; December 24th, 2016 at 6:40 AM.
