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P2442 Secondary Air Injection System (Toyota & Lexus)
The SAIS Code Series Blog is written and intended for Toyota & Lexus Vehicles If you are reading this article, you already know the Secondary Air Injection System on Toyota and Lexus vehicles is failure prone. The Secondary Air Pumps and Air Switching Valves are notorious for Mechanical and Electrical fault codes. Unfortunately, the reality…
Read MoreP2440 Secondary Air Injection System (Toyota & Lexus)
The SAIS Code Series Blog is written and intended for Toyota & Lexus Vehicles If you are reading this article, you already know the Secondary Air Injection System on Toyota and Lexus vehicles is failure prone. The Secondary Air Pumps and Air Switching Valves are notorious for Mechanical and Electrical fault codes. Unfortunately, the reality…
Read MoreSecondary Air Injection Bypass Kit Comparison
How Do You Fix the Secondary Air Injection System? The most expensive option is having Toyota or Lexus repair with factory or OEM components. On average, most dealerships quote $2,000 to $3,000 for parts and labor. However, this option may not address all secondary air components or prevent future failure. Save time and money by…
Read MoreWhat Do My SAIS Error Codes Mean?
Error codes, or diagnostic trouble codes (DTCs), consist of alphanumeric characters that correspond to specific issues with a vehicle. When a DTC is tripped, the check engine light (CEL) will appear on the dash. Once a CEL appears, it is important to use an OBDII scanner or another scan tool to read the DTCs. If…
Read MoreWhat is the Secondary Air Injection System?
The Secondary Air Injection System (SAIS) is part of a vehicle’s exhaust system. Manufacturers began introducing it in the 1960s to help reduce hydrocarbon and carbon monoxide emissions, both of which resulted from incomplete combustion. Toyota and Lexus SAIS systems are only commanded to operate after a cold start, which is when the engine has…
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