Question about 1997 Mercury Grand Marquis
Engine light came on when down shifted accerate up hill in gruise control
The code is for the sensor for the EGR valve. The sensor is sending the computer a high voltage when it should be low.
The sensor and valve would need to be tested.
Posted on Jan 11, 2013
Common problem is the passages to the egr under the upper intake get clogged up with junk and tend to set codes such as this one.
Posted on Apr 14, 2013
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Posted on Jan 02, 2017
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