Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

Po354

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5 years 1 month ago #28062 by ray.castillo
Po354 was created by ray.castillo
I have a Toyota Avalon touring 3.5 with a po354.,I replaced it with another coil ,same problem.help!

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5 years 4 weeks ago #28078 by Tyler
Replied by Tyler on topic Po354
Really? :huh: Wow, that's kinda surprising. Coil replacement is usually a slam dunk for P035X codes on Toyota.

Gotta ask a few questions. Is this a hard code, or does it come back intermittently?

If you swap a known good coil off #2 or #6, does the P0354 reset?

What brand of coil was #4 replaced with?
The following user(s) said Thank You: ray.castillo

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5 years 1 week ago - 5 years 1 week ago #28707 by Tyler
Replied by Tyler on topic Po354
Ray reported back that the coil he used to test with was also bad. :lol: Talk about throwing you for a loop!

For anyone following along, if you have an update for your thread, please don't hesitate to post again. :cheer: Using the 'Report This' button only notifies the moderators, and doesn't let anyone else following along know what the fix was.
Last edit: 5 years 1 week ago by Tyler.

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