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julian_schaefer6

Lexus LFA VANOS Issue

My 2011 Lexus LFA with a gasoline engine is giving me headaches. The check engine light keeps popping on, and my fuel consumption has noticeably increased. I took it to a mechanic who ran diagnostics and said it's likely a faulty inlet VANOS, maybe a camshaft solenoid valve issue or a power supply problem. Mileage is at 247212 km. Anyone else experienced similar issues?

4 comment(s)

leonie_berger1

Sounds familiar. Had a similar issue with my BMW a while back engine misfire, check engine light, and the whole shebang. For me it was oil sludge messing with the variable timing. Have you checked for that?

julian_schaefer6 (Author)

Oil sludge, huh? I hadn't considered that. Was the fix complicated? Did you end up replacing the VANOS unit?

leonie_berger1

Nah, didn't have to replace the VANOS thankfully. But the oil sludge was definitely the culprit. Still, better get it checked out properly. Could also be the timing chain. A workshop will know better.

julian_schaefer6 (Author)

Thanks for the insight! Took it back to the mechanic, and it was indeed the VANOS. They replaced a faulty solenoid valve. Total cost: 250€. Running smooth now!

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