Code P1128 #10

Tiny
FREDG911
  • MEMBER
  • 2000 VOLKSWAGEN JETTA
  • FWD
  • AUTOMATIC
  • 28,600,000 MILES
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
Saturday, March 19th, 2011 AT 5:55 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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.
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Saturday, March 19th, 2011 AT 5:58 PM

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