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2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-27-2009, 01:43 AM   #1
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Exclamation question

Im tryna fgure out wat i need for my car im ben told a calytic converter bt i jus wanted to knw wat some of the symptoms were. I do notice loosing power and somthing big i noticed was that my rpm gage would jus drop to zero, the car would still drive but i thought that was kinda odd. how much would it cost to replace the catllytic conveter? is it expensive?
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Old 11-27-2009, 02:20 AM   #2
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CAT'* aren't that expensive to replace. You can drive down to a muffle shop and get a free estimate. A hi-flow aftermarket CAT will run you between $90 and $450 depending on which make and model you go for.

Symptoms of a clogged or damaged CAT are:
  • Noises or rattles
  • Whistling noise when accelerating
  • Step on the gas and the car doesn't feel like its going any faster.
  • Noticeable drop in gas mileage
  • Engine may quit after a few minutes of driving or may feel like a engine governor limiting the RPM'* the engine can achieve.
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Old 11-27-2009, 02:20 AM   #3
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3" Goerlich Catalytic Converter OBDII 608227 - 608227
just need to find someone to put it in
i'll let someone else tell ya the symptoms not really my area
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Old 11-27-2009, 10:23 AM   #4
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You can test this by pulling your O2 sensor. If the cat is clogged this will give a place for the gases to get out. You will get a SES light and it will be loud.
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Old 11-27-2009, 01:22 PM   #5
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Exhaust can also have a foul smell, but not always. Like rotten eggs. At night they can glow, but not always. It can leave you with a rough idle, stalling, poor acceleration. Being a 2000, it would for sure throw one or more trouble codes.
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