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Failed e-test with 'what looks like new' cat
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irtehbest
New User
Apr 5, 2012, 3:11 PM
Post #1 of 6
(1884 views)
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Failed e-test with 'what looks like new' cat
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Year of vehicle: 1991
Make of vehicle (Ford/ Chevrolet): Honda
Model of vehicle ( Taurus/ Cavalier) (DX, LX, SE, R/T, ect.) : Accord EXR
Engine size (2.0/ 5.7) : 2.0
I had my car on the lift at my mechanics and the cat (visually from the outside) looks brand new so I was ready to pass the etest. (car was purchased from brother of original owner, no details about new cat were spoke about and seller has no contact)
I started up my car and thinking that I could easily pass my e-test I drove 5 minutes to my local place to do my etest and I failed. The guy at the etest place said that the original owner of the vehicle may have "hollowed out" the cat to increase performance and this may be the reason it failed, suggesting I replace my cat for $250 from him.
Not sure if hes ripping me off because from the outside my cat looks brand new and I dont want to pay mechanic to check if cat is hollowed out or not
Etest results:
HC ppm - Limit: 64 | Reading: 32 | PASS
CO % - Limit 0.35 | Reading : 0.12 | PASS
NO ppm - Limit 727 | Reading: 990 | FAIL
As you can see I passed easily on 2 and failed on 1
Now my question: Do you think my cat is really hollowed out or do I need to drive for 1 hour and put guaranteed to pass in my tank before going to etest place is that my problem?
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 5, 2012, 3:30 PM
Post #2 of 6
(1877 views)
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Re: Failed e-test with 'what looks like new' cat
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The converter will not help you with the Nox reading. That is basically caused by excessively hot combustion temperatures. The most common cause of that is an inadequate /inoperative EGR system. It could also be excessive engine temps but the EGR is specifically designed to lower combustion temps.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 5, 2012, 4:07 PM
Post #4 of 6
(1847 views)
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Re: Failed e-test with 'what looks like new' cat
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Sure, find and repair the problem. I already told you what to look for.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 5, 2012, 5:42 PM
Post #6 of 6
(1814 views)
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Re: Failed e-test with 'what looks like new' cat
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I give up................ nobodies home
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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