P0412 Diagnostic Trouble Code Discussion for February 2016
Secondary AIR Solenoid Control Circuit Malfunction
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| Help Request | Posted | |
| 2006 Toyota Tundra SR5 4.7L Hesitation VIN: 5TBDT44106 P0412: Secondary Air Injection System Switching Valve 'A' Circuit Malfunction. This one has me stumped. Vehicle performs very well around town and on freeway, unless you go wot or close to it on the freeway. It downshifts and rpms go high and stay high while power seems to drift away. fuel pressure stays solid at 44 psi, vacuum hangs aro... |
February 05, 2016 |
