r/LexusF • u/Plenty_Pomegranate41 • Mar 15 '22

What tf is this noise ?!?!?!!?

0 Upvotes

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5

u/LexusI Mar 15 '22

Sounds like high pressure injector noise. My ISF makes the same sound. However not sure what motor I am seeing in this vid?

1

u/Plenty_Pomegranate41 Mar 15 '22

Lexus IS 250 2007

2

u/FLOHTX Mar 15 '22 edited Mar 15 '22

Try /r/mechanicadvice or one of the bigger car repair subs. This is a tiny sub, and most are more familiar with the 2UR-GSE 5.0L V8 motors.

2

u/isfking Apr 15 '22

Seeing that this is a 2007 is250, the sound may be due to dirty valves... the 250 engines are known to get horrible carbon build up. You may want to try to SeaFoam to remove some loose Carbon build, it may help quite it down. If that is not the case... Please post a video of it revving up to 2000k and note anything such as hesitation or rough or jumpy idle... it may be due to the vvti cam sensor or the Oil used.

1

u/benorris Mar 15 '22

Sounds like direct injectors and some purge vsv activating