car makes a knocking noise
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2002 Nissan Altima Question: have a p011 code is this the cam sensor and what does it consist of in replacing
Answer #1Greg's Orange Auto (10926 Answers) , Orange, CA - (714) 361-9355globalhelper October 11, 2012, 06:37Master
ck oil level 1st this is very common whn oil is low or dirty
Answer #2ziptie12 October 13, 2012, 16:50Master
Along with answer #1 , maybe have 'knocking noise' diagnosed if oil level is okay.May be faulty t-belt tensioner ,or other internal engine problem , making the cam sensor code a secondary issue.