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New Middletown, OH
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.
i hooked my autel up to read pid data on my friends new truck and post cat o2s are reading 2.125 volts.pre cat o2s are switching + and - .5 volts as normal st fuel trim at zero as it should.engine is strong at any rpm,all data looks good.im shocked at the post cat o2s reading a solid 2.125 volts,thoughts?
tell them no thanks on the $160 flush.used motor oil has better lubricating ability then the solvent which is what that engine flush consists of.just have the oil changed n all will be ok.
theres also a maxi n mini fuse under the battery tray for that secondary air.
put 12 volt power n ground to the 85-86 posts,either way is fine.you should hear it click.in the meantime have a multimeter hooked to the 30-87 posts.you should have continuity n feel the relay click at the same time.if both happens then thats a good relay.
i agree with wetry totally.did that to my blazer one summer and now that is how my f-150 currently is.
start the engine then pull the fuel pump relay.that will relieve the pressure.