SES Light?
09-19-2005, 09:46 PM
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Join Date: Apr 2005
Location: Fort Worth, TEXAS
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SES Light? I have a 97 Mazda 626 with 98,000 miles on it. the SES light came on last friday and i took it to autozone to check the code. He used the actron code reader and the code was P0240, the catalyst system efficiency for bank 1 is below threshold for the current engine operating conditions. The guy at autozone said i might have a vacuum leak or and oil leak. He confused me. Does any one have any suggestions on what it could be? Thanks.
