1997 sc300 P0171

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09-02-12, 06:49 PM

jwin

Lexus Test Driver

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1997 sc300 P0171

I have a p0171 code. Check my IACV at the dealer, O2 sensor, TPS. Everything seems fine. Anyone else have this problem. p0171 is a lean bank 1. Was wondering if it could be VSV for the egr valve?

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09-02-12, 07:12 PM

jwin

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anyone knows what that VSV controls?

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09-03-12, 07:32 AM

2JTsc300

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take off ur MAF it could have some dirt in it. check for a vacuum leak.

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