Questions & Answers for: Toyota Tacoma emissions code

emission problem o2 sensor/egr valve? my engine light is on and the codes are telling me its the O2 sensor and/or the egr valve.... how do i determine WHICH one it is and how do i fix it? Codes do not

2009 toyota tacoma service engine light...how do i turn it off if you are talking about the maintanence due, light it's quite simple; turn the key on' with the engine off. make sure that the odometer ...

engine light on Codes show 1. Po 441 evaporation emission system incorrect purge flow 2. Po442 evap emission system leak (small) 2. 446 evap emission system incorrect purse flow 2004 Toyota Tacoma ...

...code P0441, what to replace or do? Evaporative emissions control system malfunction detected. Traceable to either loose gas cap, contaminated charcoal caniter, stuck ccv valve or leak in the vacuum ...

...code for a small emissions leak? Should I worry about this if my truck runs good? what could be the cause? is this covered by warranty? and is it common? should i just reset it and see if it comes ...

...code. and for the p0420, you can try : Check for exhaust leaks at the manifold, pipes, catalytic converter. Repair as required. Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen ...

2000 tacoma code 441 tryed to smog it will not pass PO441--- Evaporative Emission Control System                  Incorrect Purge Flow

...is telling the driver the computer has found a problem that will affect engine performance and emissions. The light is not a warning for mechanical problems. You need to get the computer scanned ...

can you disconnect the battery to reset a check egine light for a 1997 toyota tacoma? after a EGR valve change.emission test. Shouldn't need to Best to use a code reader When you clear the check light

...messing w throttle under hood and it has opposite airflow have u had the computer scanned? any emissions codes? That could be anything from throttle pressure, throttle positioning sensor, mass ...