check engine light is on
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1997 Volkswagen Jetta Question: engine runs lean
Look for vacume hose that could be split or disconnected. From that point it could be caused by various faulty sensors, wiring problem, or a mechanical problem. Driving with a lean condition for extended period could leed to more problems.
Replytony1954, March 24, 2012, 15:20Rookie
thank you for your input i'll check it out
Answer #2Shannnon May 09, 2012, 14:04Rookie
I have the same problem with mine. "too lean" I've tried getting the O2 senor replaced, but no luck.