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      05-28-2015, 09:08 PM   #1
Landman
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Carfax - Failed Emissions

Should I be worried about a car I am interested in purchasing shows on the carfax a "passed emissions inspection" one year and then almost one year to the day later it shows "failed emissions inspection" and then the next day it says "failed emissions inspection" and "passed emissions inspection" on same date? What could have caused this series of events. These carfax reports are hard to interpret sometimes...
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      05-28-2015, 09:29 PM   #2
aris21
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Yes.
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      05-28-2015, 09:37 PM   #3
kscarrol
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Previous owner had an after-market exhaust which caused the failed test? Replaced with stock or "bribed" the tester to pass the test...
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      05-28-2015, 10:44 PM   #4
spiderspider
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You can fail those from a bad O2 sensor.
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      05-28-2015, 11:29 PM   #5
GRUESOM3
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Or dead battery not driven enough and reset while car and readiness not ready
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      05-28-2015, 11:34 PM   #6
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Quote:
Originally Posted by GRUESOM3 View Post
Or dead battery not driven enough and reset while car and readiness not ready

^ This.
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      05-28-2015, 11:39 PM   #7
Landman
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So it sounds like it possibly is not an issue. Could an aftermarket exhaust be a bad sign? Like someone that would put an aftermarket exhaust on a car have the proclivity to drive it harder than someone who leaves it stock. Maybe I'm just thinking about this too much...
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      05-28-2015, 11:49 PM   #8
maloo
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Quote:
Originally Posted by Landman View Post
So it sounds like it possibly is not an issue. Could an aftermarket exhaust be a bad sign? Like someone that would put an aftermarket exhaust on a car have the proclivity to drive it harder than someone who leaves it stock. Maybe I'm just thinking about this too much...

I wouldn't worry about it. An aftermarket rear muffler will not throw a code and most guys doing anything more extensive than just the rear muffler would be savvy enough to not just go blindly rolling into an inspection station.
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