enter your question.code P1128 #10 long term fuel trim mult., bank 1 system too lean. how do i repair this problem? 2000 jetta 2.0
Mar 19, 2011 at 5:55 PM
Advertisement
RASMATAZ
CAR REPAIR CONTRIBUTOR
75,992 POSTS
Check the following below for lean condition
1.Vacuum leaks
2.EGR and PCV valve.
3.Low fuel pressure.
4.Dirty fuel injectors.
5.Mass Air Flow Sensor.
6.Oxygen Sensor.
Mar 19, 2011 at 5:58 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.