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New Middletown, OH
sounds like a faulty alternator or broken vacuum line to the pcv.
thats the upper ball joint.be very carefull.easier to fix then then bottom ball joint.dont hit pot holes or railroad tracks or better yet,dont drive it.it a $25 dollar part to replace as long as a dealership or independant shop doesent replace it.
posible bad ground connection to pcm and bcm.those codes show loss of communication to both computers.
in your case its usually not the egr valve itself.check for restrictions in the piping heading to the egr valve.
its the wheel seal.little bit labor intensive but if you got the tools and some car savy then no prob.
top drivers side of engine regardless of sohc or dohc.
its best to use a set of a/c manifold guages to recharge the system.its safe and accurate.those other recharge kits are just a hack way of refilling the system.its potentionally unsafe n can ruin your a/c system.
thats the tire pressure monitoring system light.(tpms)have your tire pressure checked for proper inflation
agree with answer #1. the 2.4 gas engines for toyota have a timing chain.however if its a diesel,then it would have a belt.
after post cat o2s reading 2.125 volts i back probed the input wire going to the pcm. they showed .2-.3 knowning o2s cant report hihger then 1 volt, i replaced the pcm n thanks to autocomuterexchange.com.i got a new pcm cheap.problem fixed.forcing it lean n rich scanner data looks good.