I got a 1995 grand marquis and when i put it to the floor warm weather mostly it will like choke itself out like it wants to go at first but then after that it deads down. if someone could help me out that would be greatt. thanks.
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Run self test on heater control head. With the key press off and floor buttons at the same time for 2seconds then release and press auto button for a second.this will put system into self test.if no code all the blend door actuators are ok and I would think vacuum leak from main vacuum, black line going through fire
You need to determine if it is fuel related or spark related. I have seen everything from a pick up screen in the tank to a crankshaft position sensor. Check the fuel pressure when the no start condition occurs, check for spark at the coils. Does all your electrical equipment in the car loose memory?
the vaccumm motors that actuate the mode doors are vaccumm driven.
if at idle all is ok then under accelleration mode doors change then there is a vaccumm leak in the system. look for a steel can (coffee Can) under the hood. trace the vacumm lines from there.
The bolts loosen up on the bracket that holds the shifter shaft to the cable. Look up from the floor board and look above the steering column in the shift cable area. Wiggle the shifter and you should see the problem. Tighten the bolts with a torx bit.
Fill the master cylinder with brake fluild unless its already full. f it was low or empty the system is leaking somewhere. If it's full it's a whole different story. You didn't say anything about warning lightsd on how long has it been this way and even thogh the pedal goes to the floor doesit still stop?