One problem related to car will not start has been reported for the 2002 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Mercury Grand Marquis based on all problems reported for the 2002 Grand Marquis.
: the contact stated the vehicle did not always start. When it did start the engine stalled while idling. To alleviate stalling the accelerator pedal must be pumped hard while starting the vehicle. The vehicle has been to the dealership multiple times and they were unable to duplicate the problem. The iac valve was replaced, and the computer was reprogrammed. Neither of these efforts repaired the problem.