elmac Posted May 21, 2007 Share Posted May 21, 2007 My wife and I own a 2000 RX300 2wd with 80,000mi. When we purchased the car, we were told it took regular gas...after about a month I noticed pinging and switched to premium. Temporary fix...now when driving up a fairly steep hill to our house the valves clatter. I've taken to local mechanic...they test drive and naturally don't hear any noise. Now it seem to clatter even when on flat surface during gradual acceleration. It's driving me nuts! Please, any help would be greatly appreciated! ElMac Quote Link to comment Share on other sites More sharing options...
huylanalexus Posted May 21, 2007 Share Posted May 21, 2007 My wife and I own a 2000 RX300 2wd with 80,000mi. When we purchased the car, we were told it took regular gas...after about a month I noticed pinging and switched to premium. Temporary fix...now when driving up a fairly steep hill to our house the valves clatter. I've taken to local mechanic...they test drive and naturally don't hear any noise. Now it seem to clatter even when on flat surface during gradual acceleration. It's driving me nuts! Please, any help would be greatly appreciated! ElMac I had the same problem like your in my RX330. Specially when i drive up the hill i can hear that noise a little bit. I read the manual that it said ok and lexus dealer said ok too. I don't know if the "Clearner Fuel system" may help. Anyone? Quote Link to comment Share on other sites More sharing options...
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