Lexus ES300 Questions

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The acceleration works perfect until the car temperature gets to the middle i feel short power in acceleration & the check engine sign is lit

The manual said to see dealer.
Any easy fixes, or approx. cost to repair?

I bought a pioneer head unit and bought the wire harness only had one plug and the stock Lexus radio had 2. I'm looking for harness on eBay that has 2 ports but all of the have the 1 port with wires.

Faint whine when shifts from 1st to2 nd,whine is unnoticeable after upshift to 2nd,this problem is one I just began to hear.

i had my two rear tires for my lexus es 2002 replaced and the after a few days the traction , vcs ,abs and brake light warning symbols appeared on my gauge. can this be related. the symbols stay on consistently. no check engine light.

the key will not turn at all no more so im gonna remove it and have a locksmith re-tumble the cylinder itself

The smell and smoke comes through the air vents and pollutes the car. It's misfiring and burns through gas very fast. Sometimes it turns off completely and I have to wait to try to turn it back on. It usually would go back to driving perfectly when I put Lucas fuel injector into the gas tank. It's 4 months later and that has stopped working. Now it smokes with the injector included. So far I've oh have the wires , sparks , rotor cap replacements. The mechanic that fixed it thought it was a faulty ECU ECM but I don't think so. Now it's at another shop undergoing diagnostic . Also there is loss of power and and it will barely drive while smoking.

after i did the water pump the timing jumped and it has two cams

the check engine light is on and car wont start

when driving around 40 mph the rpm's will drop and the car will like bog down and sound like it is retarding or something like that then if I push the gas it will kick pack in and go ? it doesn't do it all the time I will drive it one time and be fine and then I will drive it and it will do it all the ever few minutes , I changed the throttle positioning switch and it dint help

While idle chugging sound. No power while driving unless I floor it

Car stalls cut of when head light are on new catialyc convertor new battery new alterntor new speed sensor

got new catialyc coverter new alterntor new battery new speed sensor new spark plugs

I changed both speed sensors and is still not working, any clues

I used to hear a squealing noise (like a belt going bad) but, that was when AC was still working. The noise completely stopped and coincidently so did the cold air.... Is this my compressor? I hope it's something else....