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    Thread: Long term fuel trim add. Fuel B1 system too lean.

    1. 06-17-2019 01:49 PM #1
      I scanned my 2000 golf VR6 and got this code, I do have vacuum leaks I’m chasing out but just want to cover all bases. Any other possible causes for this code?

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    3. Member GTIVRon's Avatar
      Join Date
      Jul 24th, 2009
      Hurst, Texas
      92 Corrado SLC, '12 Golf R
      06-18-2019 09:33 AM #2
      Vacuum leak would be the most common and likely culprit of lean codes. Start there, then see if you even need to worry about "what else". Without further symptoms, you likely don't have anything else to be concerned with.
      2002.5 Jetta 1.8T - TOTALED (dodging deer)
      2002.5 24v GTI - TOTALED (rear-ended by a Jeep)
      1992 Corrado SLC - Daily Driven (when it's not broken)
      2012 Golf R - Daily Driven (when Corrado's broken)

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