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White smoke coming from tail pipe(2006 Nissan Sentra 1.8s)
vladtherad
Member Posts: 1
I've already checked the coolant and oil levels seem fine. Bought to shop nearby and they said was the piston rings and to replace is going to be 1200-1300 dollars. I'm looking for a second opinion. Do you guys have any other advice on what i can check for. I bought this car last year, haven't had a tune up yet. can it be the spark plugs that have gone bad?
thanks for your input in advance.
thanks for your input in advance.
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Testing for a bad head gasket is pretty straightforward by using a cooling system pressure tester, applied to the system while extracting the spark plugs and looking for coolant on them, or in the cylinder (using a boroscope).
Testing for bad rings can be down by a Cylinder Leakdown Test.
If your shop has done neither of these tests, then they are probably guessing, and I wouldn't open up an engine based on a guess.