Changed coil pack changed wires still not firing on 2 cylinders
SOURCE: my 2004 dodge neon 2&3 cylinder are not fireing
It seems like it may not have compression, where as all you need to do to test it is get an engine compression tester, which is a gaudge with a long extension on it to check your cyllender compression. remove all 4 spark plugs, have someone crank the engine over as you hold the gaudge in place. (it may make a pop noise ot a quick hiss if you don't hold down on the tester enough and sometimes when you release it) and if you have the new parts, and the plug is getting the spark, then it may be a head or heade gaskit issue. If you don't have a compression tester, you can usualy rent them at any advance auto parts or autozone. All you do is pay for the tool upfront, and when you return it you get all your money back.
Hope this helps!
SOURCE: 2004 dodge stratus first and fourth cylinder
could be a fuel problem like a plugged injector
SOURCE: 2002 dodge caravan with 3.3
In some cases it may be the injector but it could be the electrical in nature. You may want to inspect the wiring harness of the injector. In some year and models it can be bent near the power steering reservoir. Other than that it could be the injector itself.
A good look at the spark plugs may also give us clues as to what is happening.
SOURCE: 2001 dodge grander caravan sport misfire cylender 1
have you checked fuel injection may have faulty injector, or vacume leak. asuming you have good compression on #1 clynder
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