i change spark plugs, and da engine oil on my 94 buick lesabre -that engine require 4.3 quote -idid put 5 quote in it but now the car make a (pop) sound when i reveve da eng like it backfire-is that extra oil can make it do that -one funny style mechanic make me buy a stop leakn-burn oil product ,nothing change then tell me -it,s a valve that,s bad--the car did not use to make that noise before.what should i do
2007-09-29
13:47:03
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4 answers
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asked by
widner a
1
in
Cars & Transportation
➔ Maintenance & Repairs