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835 Review
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Review on Optimized PCV Valve by Standard Motor Products by Martin Alvarez

Revainrating 5 out of 5

Now Tahoe runs smoothly, but Light doesn't.

My 1999 Chevy Tahoe had engine code P0171, Lean Burn, Bank 1 for over a year. Caused by cold starting at first superiority hesitation. I installed a new mass air flow sensor and PCV valve and now the light is off and works much better. I am very satisfied with the easy installation of the products.

Pros
  • PCV Valves, Breathers and Accessories
Cons
  • Weight