07 Honda Accord V6 Catalytic Converter Problems - Drive Accord Honda Forums | radio-pro.ru
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post #1 of 20 Old 02-19-2014, 09:24 PM Thread Starter
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07 Honda Accord V6 Catalytic Converter Problems

I had my check engine light come on and immediately brought my car to the mechanic. He scanned it and it came back as a cat converter code. So I had him check the O2 sensors, gas cap, wiring, MAF, ect. And he said it's for sure the cat converter. So I ended up paying him $400 to replace the converter and only 20 minutes after I left the shop, my check engine light came back on. I ended up bringing the car back in and once again, it's showing a cat converter code. I was wondering if there is something else that could possibly be going on with my car? Or if anyone else has had this issue?

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post #2 of 20 Old 02-19-2014, 09:36 PM
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Sorry to hear about your car problems. I think if you are under 96,000 miles, Honda should replace it for free if the Cat indeed is the problem. Somebody else with more information will chime-in on these exhaust related issues. Wait for their answers. Cheers....


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post #3 of 20 Old 02-19-2014, 09:37 PM Thread Starter
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It only has 86,000 miles on it. I don't have a warranty since I bought it from a private dealer
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post #4 of 20 Old 02-19-2014, 09:43 PM
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Quote:
Originally Posted by Mathews View Post
It only has 86,000 miles on it. I don't have a warranty since I bought it from a private dealer
These warranties on Cat are direct from Honda and has nothing to do with multiple owners or from where you bought it. I'm sure on this. I think Federal Government or some such governing body mandates manufacturers to warranty some exhaust components (Cat being one of them) for 96,000 miles or 8 years. So just wait for a better input from others. Also you can check your owners manual regarding warranties. It should be stated there. I'm 99% sure that you can happily take it to Honda and let them diagnose it and get the Cat replaced for free if Cat indeed is the problem. Cheers....Don't worry.

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2012 Toyota Avalon Limited, Magnetic Grey - Wife's Car
2012 Honda Odyssey Touring Elite, Alabaster Silver - Family Hauler/My daily ride
2003 Accord EXV6, 5AT Sedan- Sold

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post #5 of 20 Old 02-19-2014, 09:48 PM
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Try using one of those fuel cleaners that you add to the gas tank. My last car, an '03 Camry LE, had a check engine light come on for the O2 sensor and the cat converter. The fuel cleaner got rid of the code.

2007 Honda Accord SE
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post #6 of 20 Old 02-19-2014, 10:02 PM
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Quote:
Originally Posted by Accord_Rules View Post
I think Federal Government or some such governing body mandates manufacturers to warranty some exhaust components (Cat being one of them) for 96,000 miles or 8 years.
It's (whichever occurs first). So OP is out of luck at 86,000 miles.

Quote:
A. Performance Warranty

The Performance Warranty covers repairs which are required during the first 2 years or 24,000 miles of vehicle use (whichever first occurs) because the vehicle failed an emission test. Specified major emission control components are covered for the first 8 years or 80,000 miles (whichever first occurs). If you are a resident of an area with an Inspection and Maintenance (I/M) program that meets federal guidelines, you are eligible for this warranty protection provided that:
  • Your car or light-duty truck fails an approved emissions test; and
  • Your vehicle is less than 2 years old and has less than 24,000 miles (up to 8 years/80,000 miles for certain components); and
  • Your state or local government requires that you repair the vehicle; and
  • The test failure does not result from misuse of the vehicle or a failure to follow the manufacturers’ written maintenance instructions; and
  • You present the vehicle to a warranty-authorized manufacturer representative, along with evidence of the emission test failure, during the warranty period.

B. Design and Defect Warranty

The Design and Defect Warranty covers repair of emission related parts which become defective during the warranty period. The Design and Defect warranty for model year 1995 and newer light-duty cars and trucks is outlined below.
  • Design and Defect Warranty Coverage for 1995 and newer light-duty vehicles:
  • Emission control and emission related parts are covered for the first 2 years or 24,000
  • miles of vehicle use (whichever first occurs); and
  • Specified major emission control components are covered for the first 8 years or 80,000
  • miles of vehicle use (whichever first occurs).

According to federal law, an emission control or emission related part, or a specified major emission control component, that fails because of a defect in materials or workmanship, must be repaired or replaced by the vehicle manufacturer free of charge as long as the vehicle has not exceeded the warranty time or mileage limitations for the failed part.

What Are Specified Major Emission Control Components?

There are three specified major emission control components, covered for the first 8 years or 80,000 miles of vehicle use (whichever first occurs) on 1995 and newer vehicles:
  • Catalytic converters
  • The electronic emissions control unit or computer (ECU)
  • The onboard emissions diagnostic device or computer (OBD)
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post #7 of 20 Old 02-19-2014, 11:01 PM
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I'm sorry for the wrong info.

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2012 Honda Odyssey Touring Elite, Alabaster Silver - Family Hauler/My daily ride
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post #8 of 20 Old 02-20-2014, 05:19 AM
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Either he replaced the wrong catalytic converter, or it never was that to begin with.

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post #9 of 20 Old 02-20-2014, 06:23 AM
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Do you know the exact code numbers before/after or did your mechanic just tell you the code was a "catalytic converter code"?

Do you know how many catalytic converters your V6 has?

EDIT: I have a PZEV vehicle....my catalytic converter (and intake and exhaust) has a 15 year warranty from Honda, but ONLY if I live in a "California emission" state such as CA, NY, etc...

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145k miles (as of Jan '18)
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post #10 of 20 Old 02-20-2014, 07:16 AM
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By the way if there was nothing wrong with the cat converter the mechanic broke federal law by replacing the old one. You are only allowed to replace or repair it if it has an issue...

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post #11 of 20 Old 02-20-2014, 02:03 PM
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How exactly did he "test" your O2 sensors? Bad O2 sensors can throw cat codes (i.e. P0421) all the time and there is absolutely nothing wrong with the catalytic converter, itself. I wouldn't have jumped on replacing the most expensive thing first...

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post #12 of 20 Old 02-20-2014, 02:21 PM
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I think everyone has missed the obvious..... On a V6 accord there are 3 catalytic converters, one next to each cylinder head, the other on the bottom of the car where the two cats come together. I bet this mechanic (word loosely used ) changed the bottom converter, never eliminating the problem. The bottom converter is not monitored, the front two are.
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post #13 of 20 Old 02-21-2014, 05:54 PM Thread Starter
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Update: He replaced the wrong converter, the one in the middle. Yes, there are 3 converters on the 07 v6. The o2 sensors are functioning normally. And if I remember correctly, the code was p24 something and said something about bank 1? He now knows the bad cat converter is the one in the very front of the car. I'm wondering if anyone has an idea of how much this will cost??
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post #14 of 20 Old 02-21-2014, 06:47 PM
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A replacement primary will run somewhere around $300-$350 (I'm guesstimating). Based off of the labor he charged for replacing that previous converter, I think this might cost you $400-$500 total (again, guesstimating).

Not for nothing, but didn't your mechanic just hose you for $400 to replace a fully functioning secondary converter? See if you can get him to drop his rate for this second job, considering you just shelled out $400 the first time.

Good luck!

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post #15 of 20 Old 02-21-2014, 09:28 PM Thread Starter
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He admitted that he much have replaced the wrong cat, so with the one that actually needs to replaced, he will deduct me that 400 dollars from the total. Actually a real nice, honest mechanic I'm dealing with!!!

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