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97 mercury mystique


dg0515
02-19-2005, 11:36 AM
Am curious as to why after replacing the egr valve and resetting the computer on this car i continue to get the engine light going on...Is there a way to reset this after i figure out the problem ? (myself) cost of resetting this code is the killer...Why could the light be going on for the same reason after fixing it ? They say at auto zone it could be another thing to do with egr...I am sure there is a solution to this problem...Car has 114,000 miles on it..4 cyl (gs) model.

lightmaker
02-19-2005, 04:09 PM
if you havent already, try disconnecting both battery cables wait about 5 min and put them back on. The light should go out. If the light happens to come back on, take the car somewhere to read the codes again, because the egr may have been a ghost code.

dg0515
02-23-2005, 02:23 PM
if you havent already, try disconnecting both battery cables wait about 5 min and put them back on. The light should go out. If the light happens to come back on, take the car somewhere to read the codes again, because the egr may have been a ghost code.


SO what is a ghost code ? I am at a loss there

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