Two problems related to check engine light on have been reported for the 2002 Mercury Sable. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Mercury Sable based on all problems reported for the 2002 Sable.
2002 Mercury Sable LS. Consumer states problems with fuel injector and damaged valve the consumer stated when the check engine light illuminated, the vehicle developed an engine miss. The problem was diagnosed as a faulty #5 fuel injector. Codes po305 and po316. The cost of the repair was $800 plus dollars. When the consumer retrieved the vehicle, he was informed there was some carbon deposits present and the vehicle might run a little rough until the carbon burned off. One week later, the check engine light illuminated again. It was the same two codes from a previous repair. The dealer informed the consumer of a damaged valve and the cost would be anywhere from $1600-$2000. The consumer filed a complaint with the attorney generals office and was refunded his money from the previous repair.
My car (2002 Mercury Sable) continues to fail smog inspection due to faulty oxygen sensors. I have taken it to the dealer and it costs at least $200 each time I take it in and they never completely fix it stating it is an ongoing problem with this car. The check engine light is always on.