2001 BMW X5 P1158 P1160 fuel trim additive/lean condition

Tiny
MYSWEETX5
  • MEMBER
  • 2001 BMW X5
  • V8
  • AWD
  • AUTOMATIC
  • 112,536 MILES
HI GUYS,
I USED TO HAVE: P0171/P0174 WHICH ARE LEAN CONDITION, BUT RIGHT AFTER I CHANGED MY (FUEL FILTER TO A BRAND NEW ONE, I CLEARED THE SERVICE ENGINE LIGHT AND AFTER DRIVING A FEW MILES LATER, SERVICE ENGINE LIGHT COME BACK WITH: P1158/P1160 NOW.
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have the same problem?
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No
Tuesday, October 19th, 2010 AT 1:05 PM

3 Replies

Tiny
DR LOOT
  • EXPERT
Your new codes are O2 sensors Rich to Lean, most likely occurred after you change your fuel filter, erase the codes and try again
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Sunday, October 24th, 2010 AT 1:07 PM
Tiny
MYSWEETX5
  • MEMBER
All O2 sensors have been replaced less than 5 months ago. how could they be already go so bad?


https://www.2carpros.com/forum/automotive_pictures/504541_mysweetx5_1.jpg

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Sunday, November 7th, 2010 AT 6:15 AM
Tiny
DR LOOT
  • EXPERT
I don't think they have gone bad, what kind of fuel do you use? Have you put in any fuel additives?
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Sunday, November 7th, 2010 AT 11:29 AM

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