I changed all my coil packs n plugs n it still keeps on telling me I have a misfire on cylinder number 3 n I change that one twice with new coil packs n plugs n it keeps telling me same thing it's a
are you changing the boot to?
Could also be faulty fuel injector for that cylinder. Might try some sea foam in your gas tank. This will clean your injectors.
Dandy's right, check the fuel injector for cylinder number 3. If it checks ok, compression test that cylinder. Could be a valve problem. HTH. -Jim
Where is valve located at?i don't know nothing about trucks n thanks for the help guys
The valves are located in the head. HTH. -Jim
The valve is an internal part of the head. Not something you can see without tearing the head apart. I do not advise that. But having a compression test done will tell you if it's operating properly and is not that hard to preform.
How do u do a compression test ?
http://www.popularmechanics.com/cars/how-to/maintenance/cars-101- how-to-do-a-compression-test-14912158 -- check this out
Swap the #3 fuel injector with another one on the engine to see if the miss moves with the fuel injector. Putting Seafoam in the tank will not clean an injector that is not passing fuel. When you get it fixed run some Chevron Techron fuel system cleaner once or twice between oil changes to help keep the fuel system clean.
Did any of these awnsers resolve your issues?
Hey did all of those things you said even went as far as new head still having same thing rule pressure test and new intake gasket still miss fireing any one with good ideas for me any thing would help thankyou
Sorry got nothing but wires left to try
I put brand new mad blaster coils new plugs new Taylor shorty wires still had a miss on#2 pulled plugs on #2 they never had fired. Put my old plug wire on That fixed it I got a bad new wire now Got to find out if they will make it good I mention MSD coils
It would be much less confusing if you other people with issues started your own question in a new thread.
Something else that may be useful in your search for the elusive miss is a compression test. It is possible that a valve spring could be broken or a pushrod be bent or something else in the valve train be in need of repair.
Amen, Bob!! After all this thread IS 3 years old!! Geeze!! -Jim
Yup, it started a long time ago and people really wrongfully added to it.
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