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carbon build up

frank ramon's Avatar
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07-19-02, 07:32 AM   #1  
frank ramon
carbon build up

please advise me on the most economical way to remove carbon build up on the pistons. my son purchase a 1991, toyota camry station wagon, 6 cylinder. it had been parked for several weeks.
he tried to get it inspected but it would not pass due to this problem.any input will be greatly appreciated.

frank ramon

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07-19-02, 08:35 AM   #2  
What are the gas readings?


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07-19-02, 09:32 AM   #3  
Larry's got you covered. If carbon is building up like that (how you would know without taking the engine apart is a bit of a mystery to me ), it could be the EGR system, it could be in need of a tune up, etc.

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