code P1128 #10

2000 VOLKSWAGEN JETTA
28,600,000 MILES • FWD • AUTOMATIC
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FREDG911
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  • 1 POST
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
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
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
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