Toyota Tundra Secondary Air Pump Stuck

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Toyota tundra secondary air pump stuck. If the pressure level from the sensor has not reached a certain level. Start by checking the Possible Causes listed above. The electrical connections are turned 180 degrees so you have to loosen your Tacoma wiring harness a bit 198 Dorman 911-643 Secondary Air Injection Check Valve for Select Lexus Toyota Models.

Visually inspect the related wiring harness and connectors. The secondary air injection system injects air into the exhaust to help lower emissions. The added air helps to increase the exhaust temperature which has the effect of bringing the catalytic converter into closed loop operation much sooner than would have been the case had additional air not been injected.

The secondary air injection system pumps air to the exhaust port to accelerate the activation of the catalyst. P2445 Secondary Air Injection System Pump Stuck Off -Check Engine Light. The secondary air injection system consists of the ECM air pump Air Switching Valve ASV EASV Air.

But after 3 months of ownership on a 2013 46L 44 Tundra had the secondary AIP fail. My 2007 57L Toyota Tundra is spitting out codes for secondary air injection system stuck off and switching valve - Toyota 2007 Tundra question SOURCE. Secondary air injection pump stuck closed goes into limp mode I clear it and its good for a couple days then comes back.

Switching Valve No2 ASV No2 ASV1 2. The 2007 Toyota Tundra has 5 problems reported for secondary air pump stuck. The sole function of the Secondary Air Injection system is to pump cool ambient air into the exhaust system for a set period after a cold start.

Repair Information for P2445 Toyota code. Fast forward to the 320. How to repair P2445 Toyota code Secondary Air Injection System Pump Stuck Off Bank 1 To accelerate the activation of catalyst when warming up the engine the air injection system pumps the secondary air to the exhaust manifold by pressure.