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catalytic converter plugging

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Rock C
Novice

Nov 1, 2010, 6:19 PM

Post #1 of 9 (1289 views)
catalytic converter plugging Sign In
I have a 2003 Impala, LS, 3.8, 140000 miles. Just had catalytic converter replaced, new plugs, injectors cleaned, air filter and I still am not getting the gas mileage I used too. Also it smells like the new converter is plugging up again. And only got 350 miles on it.


chickenhouse
Enthusiast

Nov 1, 2010, 6:21 PM

Post #2 of 9 (1281 views)
Re: catalytic converter plugging Sign In
I hope you did not use an aftermarket convertor.


Rock C
Novice

Nov 1, 2010, 6:23 PM

Post #3 of 9 (1280 views)
Re: catalytic converter plugging Sign In
I had the muffler shop do the work.


chickenhouse
Enthusiast

Nov 1, 2010, 6:36 PM

Post #4 of 9 (1277 views)
Re: catalytic converter plugging Sign In
BUT- did they use aftermarket or "managers special"?


Rock C
Novice

Nov 1, 2010, 6:51 PM

Post #5 of 9 (1276 views)
Re: catalytic converter plugging Sign In
It does not say on ticket. It says "install new conveter"


chickenhouse
Enthusiast

Nov 1, 2010, 7:02 PM

Post #6 of 9 (1274 views)
Re: catalytic converter plugging Sign In
That just sounds like a labor charge. Have you talked to them about this prob? Run any tests on the new one yet?


Rock C
Novice

Nov 1, 2010, 7:09 PM

Post #7 of 9 (1273 views)
Re: catalytic converter plugging Sign In
No not yet, but I will,


chickenhouse
Enthusiast

Nov 1, 2010, 7:12 PM

Post #8 of 9 (1272 views)
Re: catalytic converter plugging Sign In
Let us know, ant trouble lights on?


Rock C
Novice

Nov 11, 2010, 6:52 PM

Post #9 of 9 (1223 views)
post icon Re: catalytic converter plugging Sign In
 Coolup date on converter. They did install new converter and said it was working ok. The new one installed is not as large as the original gm one, but they said it would perfom as good. Also noticed my ac was on and feel that it cut the mileage down some too.





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