1992 ford crown vic. chockes and tries to die out but doesnt. rough idel . i changed,and put or replaced these things new spark plugs,fuel cleaning injecter fluid , fuel cleaning done,and the engen light comes on .toped off all fluides. and still no difference .
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Not turning over with a good battery could be a bad ground connection, more likely though could the starter. As for running rough "like water in the gas" most likely is one or more of the "coil packs" over the plugs have gone bad. I recommend to first get the engine codes scanned even if the engine light is not on, the computer will store the codes. look for misfire detected in cylinder #__ . That way you can try using dielectric grease on that spark plug boot to see if it cures the misfire. If this does not cure the misfire you may want to replace the coil pack. However do not replace them blindly as they are in the $50 per unit range. I have had to replace one coil pack on mine and when a second misfire occurred I fixed it by cleaning the spark plug boot and using dielectric grease. I hope this helps.
Your fuel consumption will be affected by many factors, such as : - how you drive the vehicle - the condition and tune of the motor - driving conditions (traffic, city use, highway use etc) - tire pressures - type and grade of fuel used .
It is impossible for me to estimate what fuel consumption you can expect from your own particular car without a whole lot of information.
It's unwise to run the vehicle for long with no working fuel gauge.
i am trying to install an aftermarket temperature guage with capillary tube into my 1988 crown victoria ltd 5.0 efi. where does the capillary tube mount?
I would try to replace your spark plugs, and spark plug wires, My 88 Vic did the same thing...now it runs like a champ....you could also try fuel injector cleaner.
These things were replaced on my Crown Vic: The crankshaft sensor and the DPFE(?) sensor; the main cause of the missing, cutting out, etc., however, was due to the fact that the #8 coil had gone bad and was fouling the spark plug. I had to take my car to the dealership before the problem with the coil was discovered. They also cleaned my fuel injectors, but I believe the main problem was the coil and the spark plug. Let me know if this helps!! Good luck!
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