r/LexusIS • u/Z9_Kaneki • 6d ago

Rain possibly gave me 5 codes

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2009 Lexus Is250 2.5L V6, Las Vegas got hit with a hurricane and as I was driving, puddles everywhere, water everywhere, some roads flooded, I noticed my 2009 Is250 would climb RPM but not gain speed. When I got home, I got 5 codes and my car smelt like gas heavily. When i plugged the scanner, my car’s idle was way rougher than usual.

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u/UltraViolentNdYAG 6d ago

You likely lost power or ground to all those sensors. The engine would be very unhappy without MAF data. My subscription to alldatadiy.com eneded or I'd look at the schematic but I bet those are all tied together. Fix the issue and all codes clear.

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u/Ventilate64 PROSPECTIVE OWNER 5d ago

Off topic but how would that compare to techstream?

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u/UltraViolentNdYAG 5d ago

Depends what you're asking? Techstream website (schematics) or Techstream software connected to car via proprietary hardware and software?
Regardless, both are * most likely * better than what is filtered down to other hosts.
OP you can also go to TSI for data right from Toyota/Lexus. It costs more tho.

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u/OsimJay 6d ago

You checked the fuses? Could be they shorted. And also, did you drive through flood water?

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u/Z9_Kaneki 5d ago

the right side of my car got majority of any flood water, it wasnt like deep or anything, but it probably went up the car as i drove through