20 Most Recent 2003 Toyota Tundra - Page 3 Questions & Answers

Tell your dealer to replace the electronic throttle motor. This is your problem.

what made you thing the MAF is bad.name the DTC, can help you with out real codes, all of themand replaced, what does that mean?new, used, rebuilt, or? name it, exactly.

Try unplugging the 4wheel drive actuator and see if it will disingage; if that doesnt work then its probably in the transfer case itself.

HOS2? (my guess is heater, oxy 2, but front or rear, ?) where did you see that? never post with out engine size . what engine, or go to alldata.com and look ,its there the while electrics paths.

Please describe the code number here. Thanks.

Check alternator charging current for over charge.

the dtc code is related to the camshaft timing. Has any work been done to the timing.e.g changing timing belt?Re-check camshaft timing.

Have Battery tested for a bad cell

pretty sure the cabin filter was not available in the tundra before 2007.