P2440 Diagnostic Trouble Code Discussion for May 2014
Secondary Air Injection System Switching Valve Stuck Open
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| Help Request | Posted | |
| 2006 Toyota Tundra SR5 4.7L transmission VIN: 5TBET34176 P2440: 2nd switching valve stuck open bank one. ... transmission was not shifting out of first and cel on. Road test found no shifting problem with transmission shifting, twenty mile test drive. Ran codes found p2440 was the only code. cleared codes and sent customer down the road. Five hours later customer... |
May 13, 2014 |
