why my engine start coming on?

1992 BUICK REGAL
185,000 MILES
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JOE1953
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after i replace a coil my engine Light start coming on and i scann the computer it had a code #26 why the engine Light start coming on?
Jan 6, 2012 at 7:50 PM
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SATURNTECH9
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Does your scan tool list code history data like what rpm the code set etc?That code has a lot of parts on its circuit.
Jan 6, 2012 at 7:58 PM
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JOE1953
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i don't unstand what you mean about scan tool list code history data
Jan 6, 2012 at 9:45 PM
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SATURNTECH9
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Do you have a scan tool your using to read the codes?Or are you just flashing them out of the check engine light?If you had a scanner that was more advanced it shows you event details on the codes set like rpms engine temp etc.
Jan 6, 2012 at 10:02 PM
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JOE1953
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i am going by the flashing Light
Jan 6, 2012 at 10:06 PM
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SATURNTECH9
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Thats what i thought what size engine do you have?
Jan 7, 2012 at 3:02 AM