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Emmisions problem

(1999 Hyundai Elantra)
in Pflugerville, TX on January 28, 2010
Engine was replaced and now computer will not register. What needs to be done.
Will get no response from a computer that reads it. no check engine lights or anything. Where would the connection be?

Displaying 1 answers & 2 comments
Popular Answer
on January 28, 2010
What exactly do yo mean by the Computer will not register?? Does the Check Engine Light come on when you turn on the key key but not start the motor? Can you get any codes out of the computer? Changing the motor should not effect the Computer at all, meaning replacing the Engine Long Block. You use the exact same sensors and wiring. Maybe some thing is not connected correctly or at all.
on January 28, 2010
Will get no response from a computer that reads it. no check engine lights or anything. Where would the connection be?
on January 29, 2010
Will get no response from a computer that reads it. no check engine lights or anything. Where would the connection be?

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