Check Engine Light On, P030x Specific-Cylinder Misfire Code A cylinder specific misfire indicates that either compression, appropriate fuel mixture, or spark is missing. Start with a visual inspection, looking for a vacuum leak near the cylinder and any sign of wear on the spark plug wire. Check the compression on the target cylinder to ensure that the engine is mechanically sound. Use a stethoscope to listen to the suspect cylinder's fuel injector. Listen for distinctive clicks and compare to another cylinder.
SOURCE: when i start car it sputters and shakes until 45 mph.
spark plugs wires needs complete tune up also synthetic oil change not designed to run on regular oil then check bearings
SOURCE: locating the starter on 1998 Lexus GS400
sets below the intake manifold and takes about 5 hours to replace even if you are handy with cars it is a big job to take on.after doing over 50 or more for an old recall it still takes me about 2 hours to complete.
SOURCE: My 2001 Lexus LS430 was misfiring, riding rough,VSC light is on
go to auto zone, advanced autoparts, or a certified mechanic and ask if they can reset the codes, it should be free
SOURCE: 99 lexus es 300 misfire on p0302 p0304 p0306
Try this website to download a free manual
Trouble trees are listed for all makes in the manuals for dianogstics
http://ezinearticles.com/?Find-the-Free-Auto-Repair-Manual-You-Need-Online&id=92717
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