First, if you have a fuel pressure guage, attach it to the connector on the fuel rail and turn the ignition to on position.
If no pressure:
1. you should be able to hear the fuel pump running when you first turn the ignition to on position. It will run until adequate pressure is reached as determined by the fuel pressure sensor. This will be only a short period of time. The best way to do this is after the ignition has been off for at least 1 minute, giving the fuel pressure time to drop. In a quiet environment, turn the ignition to on. You should be able to hear the low hum of the fuel pump motor located in the fuel tank. You might even want to listen from the trunk area as you turn on the ignition.
2. If you hear the pump, change the fuel filter and check for any other blockage of the fuel line.
3. If you don't hear the pump, check all fuses and relays that control the electrical flow to the pump.
4. Replace the fuel pump motor.
A bad starter can cause a Mercury Grand Marquis to not start. A bad alternator or a problem with the security system can be the cause for the car not starting.
Maybe the chip in the key is defective.
Check the ignition coil on the Marquis. Check the crank sensor as well. One of these is probably bad.
changed sterring column changed crank sensor and fuel pump
First check spark, if you have, then check the fuel pump for pressure.
Might be you alternator. Happened on my 1997 grand marq a couple of weeks ago
pre-heat spark plug, if this works then replace it.
Likely the fuel filter is clogged so you need to change it. If you can keep the engine running by pumping throttle a few times at start up, and then it runs, check the filter; cost about $10.00. On My 1999 Mercury Grand Marquis I had to replace the Idle air control valve because it did stay running until it was warm
· Galaxie (Ford) · Geo (Chevrolet) · Golf (VW) · GMC · Golf (VW) · Grand Am (Pontiac) · Grand Cherokee (Jeep) · Grand Marquis (Mercury) · Grand Prix (Pontiac) · Gremlin (American Motors) · GTO (Pontiac) · GTX (Plymouth)
That's something you would have to look at yourself, we can't give you an answer unless you tell us in more... er.. detail.
To replace the heater core on a 1993 Mercury Grand Marquis, start by disconnecting the battery and draining the coolant from the radiator. Remove the dashboard and related components to access the heater core housing. Disconnect the hoses from the heater core, unbolt it from the housing, and replace it with the new unit. Finally, reassemble everything, refill the coolant, and check for leaks.
· Galaxie (Ford) · Geo (Chevrolet) · Golf (VW) · GMC · Golf (VW) · Grand Am (Pontiac) · Grand Cherokee (Jeep) · Grand Marquis (Mercury) · Grand Prix (Pontiac) · Gremlin (American Motors) · GTO (Pontiac) · GTX (Plymouth)