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d. Perform the Active Test. 6. READ VALUE USING TECHSTREAM a. Enter the following menus: Powertrain/Engine and ECT/Data List/Misfire/Cylinder #1 Misfire Rate, #2, #3, #4, #5 and #6. b. Read each value for Cylinder #1 Misfire Rate to #6 displayed on the Techstream. If no misfire counts occur in any cylinders, perform the following procedures: 1. Start the engine and let it idle. 2. Move the shift lever to the D position. 3. Check the Cylinder #1 Misfire Rate to #6. 4. If misfire counts are still not displayed, perform steps (c) and (d). c. Drive the vehicle with the Misfire RPM and Misfire Load noted in the "Read value using Techstream (Misfire RPM and Misfire Load)" procedures above. d. Read the Cylinder #1 Misfire Rate to #6 or DTCs displayed on the Techstream. Result RESULT CHART HINT: If it is difficult to reproduce misfires for each cylinder, check the Data List item called If the freeze frame data's record of the ECT is below 75°C (167°F), the misfire may be If the freeze frame data's record of the Engine Run Time is below 120 seconds, the misfire B : Go to step 19 A : Go to next step 7. CHECK SPARK PLUG a. Remove the ignition coil and the spark plug of the misfiring cylinder. b. Measure the spark plug electrode gap. NOTE: When performing the Active Test, make sure the vehicle is stopped Misfire Count Proceed To Most misfires occur in only 1 or 2 cylinders A 3 cylinders or more have equal misfire counts B
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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