VACUUM LEAK

2001 Lexus IS 300

Tiny

philip_ino

November, 10, 2008 AT 8:58 AM

Engine Performance problem
2001 Lexus IS 300 6 cyl Two Wheel Drive Automatic 120000 miles

i have a 2001 lexus is300 that keeps throwing the check engine light. Po171 and po174 saying that bank 1 and bank 2 are running too lean. When I start the car, it idles at around 1500 rpm. How do I find the vacuum leak?

FOUND 17085 RELATED QUESTIONS

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