P0304 code ... help asap

[tvalentino]

so i ran my obd2 scanner nd got the code missfire in cyl 4 .... car idles rough and hesistates while driving... so far today i changed.... maf, tps, cps plugs, wires, coil, egr, maf is in good working condition.. and stuck on what it can be... need help asap id appreciate it! thanks

 

[tvalentino]

anyone?

 

[2000StreetRod]

Engine misfire procedure

You may want to click on the Engine Misfire Procedure link in "My Helpful Threads" link at the bottom of this post. I suggest a fuel pressure test and a compression test before replacing anything else.

 

[tvalentino]

thanks man!... yea my next thing i was going to do 2m was a compression test and fuel pressure test... i hope its nothing serious... not looking foward to low compression or head gasket... im going for injectors... i hope

 

[tvalentino]

FML.... cracked cylinder head.... might as well jus rebuild the whole engine or get rid of her....