2000 Chevy Silverado rpm surges

2000 CHEVROLET SILVERADO
190,000 MILES • V8 • 4WD • AUTOMATIC
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RUFFINO43
  • MEMBER
  • 1 POST
whenever I drive between 40-50 mph rpm's surge, however, Truck does not. I have recently checked codes and they say too lean on bank1 and 2 o2 sensors. Everyone at shops are baffled and cannot find the problem.
Feb 10, 2008 at 2:29 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
The codes that are showing would be good but it sounds like P0174?


https://images.2carpros.com/forum/automotive_pictures/62217_P0174a_1.jpg


https://images.2carpros.com/forum/automotive_pictures/62217_P0174b_1.jpg


https://images.2carpros.com/forum/automotive_pictures/62217_P0174c_1.jpg

Feb 10, 2008 at 3:22 AM
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