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2001 Lexus RX300 Questions

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113
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Changed plugs. it seems to run ok till warmed up. Then it idles rough. Sometimes the power brakes do not work. VCS light is on. It was running rough on one cylinder till I had rear valve cover replaced. Now it is bad on four.
it’s locked even when I use key
I have the lower dash apart
I used to hear noise in the engine but after a while it stops when start the engine. But when the gear is engaged, the vehicle refused to move.
There is a clicking sound ( like a relay clicking ) above the fuse box on the drivers side when the car hits 20 mph, this causes it to mis-fire, which seems like maybe a tranny issue, but when i step on the gas the clicking stops and it fires and goes just fine until i hit about 40 mph.. then same thing.. sometimes when it warms up it can do it at more then those two speeds.. I did replace 5 spark plugs and 5 coils, but could not get the middle back one out.. Also before this started happening, the check engine light came on and VSC and the codes were tranny solenoid.. which check tranny fluid and it was a bit low, put some in and it worked fine for two weeks.. then it started doing this.. took to tranny guy.. he was not sure.. said take it to Toyota... hmm.. hoping someone would be able to help before doing that... car is not worth what they want to even look at it.. i am sure..
It must have been a while (for the past year?). Passengers have said that the car smells musty. I only recently found it thinking that it was due to the carpets being shampooed and not fully dried. I felt the floorboard and it was wet. The mats themselves were not wet. However, the underside of it was wet. For the past few days, I've taken out the floor mats and let the underside of it dry. Isn't that odd? I felt the floorboard and it was dry the next day. As of this morning, there was still a smell so I put some baking soda for the odor. I vacuumed it and felt the floorboard and it was wet again. I don't understand this. No noises or leaks from my car that I am aware of. Please advise.
Thank you.
JoAnn
No heating in winter. Heat stopped working - no heat at all. Lexus wants to charge $200 for diagnostics only.
WHEN CAR IS IN TRAFFIC OR AT LIGHT OR SOMETIMES JUST STARTING OFF.........NEVER WHEN MOVING OVER 5MPH.......THE CAR STUMBLES, NOT MOTOR OR ENGINE...... AS IF THE BREAKS ARE NOT RELEASING. THEN RESOLVES AND NO FURTHER PROBLEM UNTIL NEXT TIME......HAD ALL BRAKES, CALIPERS, ROTORS ETC. REPLACED ON ALL WHEELS. ACTS LIKE A CALIPER IS NOT RELEASING, BUT ALL ARE NEW. HAD TRANSMISSION REBUILT BUT DID NOT COME UNTIL LATER.....ALSO HAD A REAR AXLE CHANGED, BUT DID NOT COME TILL LATER......THANK YOU......
codes P0440 and P0446
It's knocking which doesn't make sense that it's a belt like I've been told. But if it's a chain it makes more sense. No check engine lights are on
started flashing a few time and now just stays on
battery has been draining when left for two three days also the lights VSC and check wont go out most of the time
I was putting terminal covers on the battery and i think i blew a fuse. everything is dead and i can't fine the blown fuse.
I suspect my lexus rx330 have sucked water after a heavy flood that covered my area, the engine was switched off and refused to start.
I bought this car like three months ago and the guy didn't change anything in it.
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