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john
john, The Car Guy
Category: Toyota
Satisfied Customers: 16290
Experience:  ase tech over 15 years in the field
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I have a Toyota 2002 Tacoma SR5 in which the check engine

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I have a Toyota 2002 Tacoma SR5 in which the check engine light does not turn off after replacing the whole emissions system any ideas?

can you tell me the code?

Customer: replied 29 days ago.
0442

did you replace the gas cap? is there any rust at the fuel filler neck?

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Customer: replied 29 days ago.
Its a brand new fuel filler neck and new Toyota gas cap