ES - 5th Gen (2007-2012) Discussion topics related to 2007+ ES350

Never gotten a CEL

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Old 07-28-18 | 08:14 AM
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Default Never gotten a CEL

And I’m at about 184k miles. Is this usual? I would have figured that something would have tripped it by now.
Old 07-28-18 | 08:23 AM
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So,...you're wondering why everything is going fine with your car?
Old 07-28-18 | 09:58 AM
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Well yeah. I’m used to putting 200-300k miles on cars and they always pop up for one reason or another. Still running the same original coils with brittle connectors and o2 sensors too.

Recently hit a decline in mpg to around 23.8 which used to be around 26-27. Not sure what the cause is.
Old 07-28-18 | 10:10 AM
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PLUGS, MAF,air filter,...?
Old 07-28-18 | 11:09 AM
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Replaced the plugs between 135-140k miles. Just cleaned the maf sensor for the first time a month ago. New air filter, tires, and alignment recently and no change in mpg.
Old 07-29-18 | 08:42 PM
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replace oxygen sensors.
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