Question about Ford Crown Victoria

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I have 1998 crown vic and have had no problems at all except some coolant leak. I drove up the mountain today and car starting to misfire. It is cyl #4 misfiring (P0304). I am not a mechanic and don't want to pay for more than I have to in order to fix this problem. Any suggestions?

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If its been awhile since your last tune up you might just be do for new plugs and a tune up. If you remove the plug and check the condition of the plug it will give you a good idea if you need to replace them. If the plugs electrode is worn and the gap is excesive then you know to start there.

Posted on Aug 30, 2010

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My 1996 Crown Vic. recently started to buck and backfire a bit, turned out to be a misfire on #4, have been looking into it with a bit of progress but not complete success


I have faced the same thing with my car, this is not a single answer to this problem. It could be a bad boot on the coil pack, it could be a improper coil install, sometimes the spring does not sit in well, it could be that the intake manifold is leaking, it could be that the egr valve is stuck, it could the exhaust manifold is leaking, sometimes these issues are not caught by the OBD 2 sensors, you can try to move the coils around to see if that works out.

Mar 17, 2014 | 1995 Ford Crown Victoria

1 Answer

My 2002 crown vic is misfiring and the check engine light flashes when speeds of over twenty miles of hour are reached. Is it safe to drive. How can I fix this


you can drive it but it will damage your catalyst system, that is why the klight flashes to let you know other problems can develop. the car being a 2002 it has a misfire monitor in the computer. go to a local parts house and have them scan for misfire codes to see which cylinder is misfiring. make sure you check the intake at the #5 cylinder (which is the first one on the left side of the engine)to see if it is getting coolant in it from the intake leaking at the thermostat housing.

Jul 30, 2011 | 2000 Ford Crown Victoria

1 Answer

1998 crown vic Im having random misfires code po300 on cold starts it idle high then low and will stall unless i rev engine till it warms up


Now you go to a repair shop, and have it diagnosed

You have other codes for the coils,forget the PO300

You will need someone good with ford ignition issues,
to resolve the misfires, and possible do some other
preventative maintenance work,as the stalling is
another problem

Dec 20, 2010 | 1998 Ford Crown Victoria

1 Answer

I have a 98 Crown Vic, It feels like it has a


Maybe, Ford motors are sensitive to airflow changes, a slow responding MAF can cause delayed signals to real world conditions. An UNDERreporting MAF will ENLEAN the fuel charge as delivered to the injectors. This can feel like or perceived to be a misfire/coil problem, BUT ONLY UNDER A LOAD. Check all PCM inputs, condition of components.What is more logical: EIGHT (8) coils OR EIGHT (8) injectors failing AT THE SAME TIME? I would look at a single component scenario insteadwise, fuel pump? ACT sensor? TPS? EGR solenoids? MAF?

Feb 13, 2010 | 1998 Ford Crown Victoria

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Cant start my crown vic 1998


ignition switch or starter relay or a wiring problem

Oct 03, 2009 | 1998 Ford Crown Victoria

1 Answer

1998 ford crown vic sputters


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.

Jun 12, 2009 | 1998 Ford Crown Victoria

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