Question about 2003 Lincoln LS
Replaced Cylinders 1-4 plugs and coils, still misses after it is warmed up. Checked spark from each Coil with a grounded spark plug and it is getting spark. Could this error code be wrong and it is another cylinder on the drivers side Cyl (5-8) ?
It might be getting spark but that spark might be out of the allowed timing signal that triggers it. You can not tell without a scope.
Posted on Dec 30, 2013
Testimonial: "Also, it seems to run fine no miss at cold start up (wisconsin) but soon as it warms up, it then misses and has a foul smell coming from the exhaust."
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Posted on Jan 02, 2017
It could be a fuel injector problem on cylinder 5. Sounds like a failed injector. Run a compression check on that cylinder to make sure you have at least 100psi. Anything less than that would lead to either a burnt valve or a piston ring issue. Doing a compression check first will save you a lot of money.
Posted on Apr 10, 2009
Hello I need a help.
I have 1999 lincoln town car 4.6L V8.They have check engine light on. P 0303 cylinder 3 missfire.
I was changed spark plugs,fuel filter. check compression test 150psi. fuel pressuer 50.
swiching cylinder 1 to 3 fuel injector and coil. but they still have engine code
Posted on Apr 12, 2009
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