2000 Volkswagen Jetta diagnostic code p1128

2000 VOLKSWAGEN JETTA
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YORONGL
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Engine Performance problem
2000 Volkswagen Jetta 4 cyl Two Wheel Drive Manual

our machine read that read long term fuel trim system to lean. what is the probable failure, and how do i fix that.
Apr 7, 2009 at 5:47 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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BLUELIGHTNIN6
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Most common culprit is a faulty oxygen sensor or clogged catalytic coverter. Have converter flow tested and also test each oxygen sensor and their wiring.




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Apr 7, 2009 at 6:44 PM
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