Hey guys my family has two cars that are acting up right now. Both are 1999 Lexus and here are the symptoms
99 rx300
Code P1354 Runs bad when it reaches operating temperature.
99 ES 300
Codes P1351, P1354, VSC, and VSC OFF illuminated. Runs poor at temperture and smokes. Oil does not seem to be contaminated however it was just changed.
could be a number of things for the vvt to have malfunction codes, ocv is the culprit most of the time with the vvti system, go to the dealer and get a new oil control valve filter and change it after you remove it and the housing and clean it. the ocv valve is what controls the oil input to the vvti gears to control the vvti timing, if it is cleaned and still does it then remove the vvti gearset and clean them, when was the last time the timing belt was replaced?
I ordered a new OCV from the stealership and should hopefully have the RX300 up and going next week. Does the cold weather have anything to do with this type of failure? I know BMW's can have problems with the oil separators in cold like this. Again thanks to all who replied.
cold weather makes oils thicker and depending on the oil type and kind you use it does, if you happen to use the cheap stuff, it gums and sludges up and causes them to fail along with the gears sticking and throwing the timing off.
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