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Review on πŸ” Dorman 911-622 Secondary Air Injection Check Valve | Enhanced for Toyota Models by Seth Singh

Revainrating 1 out of 5

Beware of aftermarket parts.

Beware of aftermarket parts. Dorman in particular. While they have some products worth saving, most of their electronic parts don't last long or even function properly. I had to replace these valves with factory parts in just over a year. The part actually failed and damaged the ECM reference voltage, requiring both the valves and the engine control module to be replaced. Dorman products are no longer quality parts, just cheap patches that can damage other parts.

Pros
  • Price
Cons
  • Some Cons