2000 Lexus RX300 Questions

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When you turn on the ac the light blinking on & off but no air is blowing
My 2001 Lexus RX300 idels rough & has 169k mi and just today we changed the plugs and coils on it. When we started it up it rans smooth and accelerated smooth like a new car again then took it for a lap around the subdivision and pulled into the driveway and the check engine came back on then it started flashing then it went solid again. Code b4 the plugs and coils said bank 1 misfire but the coil was still good but to be safe we replaced all 6 plugs and all 6 coils and havent pulled the codes yet because everywhere is closed on Sat. night and running short of ideas of what it could still be. I did notice a foul smell when idling when we returned to the driveway but then it went away. Please help Lexus mechanics we dont have money to be guesssing anymore:(
What seems to make the problem better or worse? Cold
How long have you had this problem? 2 weeks
When I turn on the A/C the air only flows through the defrost. No air is coming from vents
I was told by the dealer they have a new design that prevents excessive oil use. However we have about 190,000 mile on it. Starts up with excessive smoke when cold and seems to clear up after warm up. Uses a lot of oil when traveling long distance on highway.
In the dash....sounds like a mini machine gun. Usually when AC is on but can do it with nothing on. Was told it may be an actuator door?
Need to glue it back
I replaced knox sensors, sprark plugs, gas cap,thermast, diagrapham and still have a check engine light come on. Why? Also over drive sometimes works and othertimes it does not engage. Why
Could be a draw but would have to further diagnose
When I turn head lights on the center console dims. I just put a new battery in. It has never did this before.
The only way to get vehicle to go into gear is to manually do it from the switch under the truck. This has happened several times what is the problem
How can i fix screeching noise in fan area when starting car-goes away after 1 minute
have only had it for 3 mos, put 3,000 miles on it and had trani serviced and checked and said i should have no problems and all i would need is oil change. mechanic today said oil and water are fine. each time i start vehicle white smoke comes out of exhaust, after running for awhile it subsides. has only happened twice, once this am, not after i filled it w gas, and then 15 minutes later after a 5 min pit stop it did it again? help...throwing no codes?
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