guentersilber7
Avalon rough running reduced power
Summary of the thread
A 2007 Toyota Avalon is experiencing rough running, reduced power, poor fuel efficiency, and jerky acceleration, with the check engine light on. The issue is suspected to be related to the engine running too rich, possibly due to a faulty injector. A similar case was resolved by replacing a defective injector, which restored the vehicle's performance.
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4 comment(s)
guentersilber7 (community.author)
Did you have the same symptoms exactly? And what fixed it in the end?
detlefhunter47
Yep, pretty much the same. Jerky acceleration too. I tried a few things myself but eventually just took it to a shop. Turned out to be a defective injector. They replaced it and it runs like new.
guentersilber7 (community.author)
I suspected as much. Guess I'll bite the bullet and get it to the shop. Injector replacement...ouch. Final bill came to 515€, but at least she's running smooth now!
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TOYOTA
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AVALON
detlefhunter47
I had similar problems with my Avalon. Check engine light, rough running, terrible gas mileage... felt like I was driving a tractor. Could be a bad injector alright.