Unplug the ignition coil and then get your multimeter ready to test the 3.5 liter toyota engine harness. once you have the ignition harness unplugged, use the diagram below to see what terminals we’ll be testing. looking at the toyota sienna connector from the front of the plug, you will be testing the red and black pin 1 using your multimeter. Testing & replacing ignition coils. i have a 2002 3.0l sienna with 258k miles. engine is misfiring (check light comes on). dealer says coil #6 needs replacing ($400), and all spark plugs are fouled and should be replaced, too ($600). i declined repair for the time being while i think it over.
86 posts · joined 2021. #1 · aug 21, 2021. 2007 sienna le. i just got a p0352 engine code. i looked up the information on it and says it should be for cylinder b. this video says the front passenger cylinder is #2, but rear middle cylinder is b. so now i'm confused if i should be looking at the ignition coil at 2 or b given the p0352 code. The most common signs of bad ignition coils in toyota sienna are engine hesitation when accelerating or loss of power, rough idle, misfires, excessive fuel consumption, check engine light illuminates, and sometimes hard starting. in worst case scenario, if the ignition coils are in really bad condition, the engine will not start. Send a picture of the coil at different angles and we'll explain how to ohm test. each coil uses a 4 pin connecter. if you were looking directly at each coils' 4 pins the pins would look the following: . so i would call left pin 1 and right pin 4 for each ignition coil. Brian eslick from how to automotive howtoautomotive takes you step by step through the process of testing toyota's four wire ignition coils f.
Send a picture of the coil at different angles and we'll explain how to ohm test. each coil uses a 4 pin connecter. if you were looking directly at each coils' 4 pins the pins would look the following: . so i would call left pin 1 and right pin 4 for each ignition coil. Brian eslick from how to automotive howtoautomotive takes you step by step through the process of testing toyota's four wire ignition coils f. Ignition coil failure at this mileage is very rare. most ignition coils will last a minimum of 150k 180k miles before giving any issues, and typically longer if spark plugs were changed on schedule (worn spark plugs will wear down the ignition coil). for many people, ignition coils are a "lifetime" item. as of 3 22:. 2009 toyota sienna diy ignition coil replacement. rob takes it upon himself to replace a couple of spark plugs and an ignition coil in the camper van. this c.
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