Had exactly the same effect when i changed my maf sensor and air filter for a new one. Car seems alot smoother when changing gear and no lag on the throttle.
Lexus / Toyota maf sensor. part number 22204 - 31020
Brand new genuine part. £50 plus post of buyers choice.
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why is it always the pain in the ( / ) drivers side that always goes and not the easier passenger side lol 😃 . unless you have hands the size of a five year old its worth taking the time to remove the airbox and maf sensor to make it easier imo
personally when i changed mine i used osram fillament bulbs ( just like the originals ). if your using led,s and there flickering there must be a problem. maybe the canbus compatabilty ?
ok, i,ll rephrase that. its much easier to replace the side light bulb if you remove the airfilter box and disconnect the maf sensor (drivers side)
unless you have the hand size of a 5 year old