Saturn :: 2004 - CEL Comes On - Replace Catalytic Converter?

The check engine light came on so I took my car in. My mechanic whom I've used for years told me the following: the catalytic converted had started to come off, in the process it pushed the oxygen sensor up against the body of the car and shorted it out. The total damage is that the O2 sensor and the cat has to be replaced. The line-item estimate was $104 for a sensor and $650 for a cat, plus labor. Total: $1000. Now, I'm looking online and seeing cats that work on my car for far less ($200-400 depending). I talked to another mechanic on the phone who verified cats don't have to be $650. My mechanic said they only use top quality parts with warranty, etc. But the other mechanic said that for a car that he wants to get moving again, a cat is a cat and any new part will, of course, come with a warranty. So... what should I do? Is $1000 too much? If I go with the mechanic who says he can get me down to $700, will that be cheap work on my car? It has 108K miles, and I'd like to get at least another few years out of it.

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Prius (2004-09) :: 2008 Touring - CEL On At 68K / New Catalytic Converter Needed

My '08 Prius Touring is in the shop today because the 'check engine' light came on at 68,500 miles. I just got word from them that the catalytic converter is bad and needs replacement. Good thing I bought the extended warranty! Well, I searched the forum for similar problems and it seems like this is somewhat common, albeit on cars with a bit more mileage and maybe a year or more older. I don't abuse my car at all, though I often roll into full-throttle while merging.

Is this a symptom of a poor part design or of a system that fouls the cat over a certain amount of time? I'm not looking forward to replacing it again at 130K after my extended warranty expires.

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Ford F-150 (2004-2008) :: High Flow Catalytic Converter?

It is true that, for a supercharged engine is beneficial to have some back pressure in the exhaust? I have a 2007 FX4 whipple supercharged, 5.4L, 3V, no cat, true dual X 2.5 ", I have no tailpipe emissions problems in my country, my problem is the power to the wheels. I install a high flow catalytic converters?.

The Magnaflow 94106 is what many people recommend but in this forum, people from Bear Rivers says he does not meet the high flows, what is the correct part number.

I have a 4.56 ratio 315/70R17 tires and power makes lose significantly?, is this true?. I have a big question, in particular point 1, because I think I lost torque at low rpm and, according to what I read, maybe this escape as free to be affecting the successful performance of the engine.

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Toyota - Prius :: 2004 - Catalytic Converter Rattling Under Heavy Acceleration

Toyota says the code is P0420 and the Catalytic Converter is rattling under heavy acceleration showing the Catalytic converter is bad and should be replaced. Toyota wants 2,334.00 which seems very high to me. Is it the Catalytic converter? The car is a 2004 Toyota Prius.

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Prius (2004-09) :: 2008 - Bad Catalytic Converter / Multiple Warning Lights Are On

The check engine light came on a few times. Went to the old trusty repair shop and the codes pointed to an issue with the catalytic converter. When we started the car again, multiple warning dash lights came on: ABS, (!), Check Engine, and emergency brake light. The brakes also felt very stiff after this.

The mechanic at the shop was taken aback. Said there was a glitch with the computer and that we needed to take it to a dealership to have them "perform initialization of linear solenoid valve and calibration." He said that would fix the issue with the lights.

We were a little upset this happened but love this shop and only stopped going because we moved a few hours away. The mechanic has always been very honest and upfront through the years.

I took the car to the local Toyota dealership today, told them what happened and what the mechanic said. All they did was charge me $100 for a diagnosis of bad catalytic converter pipe and tell me that all the lights came on because the catalytic converter is so far gone. They said they couldn't turn the other lights off until the catalytic converter was replaced.

I don't understand why my brakes are affected when the issue with the car is the catalytic converter. I was also told by the guy at the shop where we first took the car that we would be able to drive with a faulty Catalytic converter with no problem.

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Prius (2004-09) :: CEL On / Code P0420 / Catalytic Converter Threshold Below Efficiency

I checked out a 2006 Prius yesterday a guy is selling. It had the CEL on (not sure why somebody would try and sell a car with that, but anyway). He said that it's because they get gas at a station that consistently doesn't tighten the gas cap enough but by the time the tank is down to 1-2 bars the light always goes away. Although I don't doubt his story, I absolutely doubted the cause. So I took it to get the code pulled and it was P0420, which is catalytic converter threshold below efficiency.

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Prius (2004-09) :: Check Engine Light On / Catalytic Converter Failed

I just moved to Colorado with my 2009 Prius and on the fifth day here the check engine light went on and the dealership said my catalytic converter failed. Luckily I was still under warranty. Is this related to the altitude or just a coincidence?

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Ford F-150 (2004-2008) :: Will Lacquer Thinner Really Clean My Catalytic Converter?

I wanted to ask a couple questions about this method of adding Lacquer thinner to my gas tank to clean my so called clogged catalytic converters. First off, I have a 2006 F150 5.4 with 90k miles on it and my engine light is on. When I took it to autozone, they said it was just a clogged catalytic converter. Well to be sure, I took it to another autozone, and they said it was an oxygen sensor. I run a lot of ethanol in my truck. My instincts tell me that the catalytic converters are probably clogged because when I mash on the gas it doesn't accelerate as fast as it should being a V8.

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Subaru - Outback :: 2004 - Cruise Control Flashing - Replaced Both Banks - Catalytic Converter?

engine light and flashing cruise control switch--computer says replace bank one---so I replace with factory catalytic converter----six months later light comes back on with flashing cruise control switch and computer asking me to replace bank one---So I use computer to shut light off----four weeks later light comes back on----called dealer they said "we usually replace both banks"---I found it most painful paying for dealer supplied catalytic converter even when I was under the impression that it would keep light off.---This is my wife's car and she is not really buying the piece of black electrical tape I placed on dash over check engine light.---Am I dealing with a bad oxygen sensor ?

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Prius (2004-09) :: Check Engine Light Coming On And Off / Showing Code P0420 For Catalytic Converter

My check engine light has been coming on and off and it seems to show P0420 for catalytic converter. The light stays off for about a week and it'll come on for a day or two and off again.

Wouldn't a failed converter stay failed? Can P0420 be triggered by loose/bad gas caps?

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Ford F-150 (2004-2008) :: 2005 - Catalytic Converter Rattling On Driver Side And Check Engine Light Is On

My cat converter is rattling on driver's side and check engine light is on. Rattle is the inside of the converter, not the heat shield. How much $ and what kind of converter replacement is recommended?

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Passat (B5) :: Catalytic Converter Replaced, CEL Came On

I recently had my catalytic converter replaced with a non-OEM cat. The check engine light came on and a different shop (different from the shop that replaced the cat) said that it will keep coming on because I had the cat replaced with a non-OEM cat.

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Golf IV / Jetta IV :: CEL Came On, Car Needs A New Catalytic Converter

I have a 2001 VT GTI with 155K miles on it. It is in very good condition. I have loved the car except for the high maintenance costs that typically seem to be associated with VWs.

I found out this week after my check engine light came on that the car needs a new catalytic converter and a new new secondary air pump.

Let's assume that this diagnosis is correct and the repair is accurate for the sake of this posting (and I have no doubt it is). In other words, I don't want to get my question derailed on that issue.

The car has new Michelin tires on it and runs well. The problem is that it will fail the state emissions test I am required to take next December, and I will either be forced to have the car repaired or will not be able to get updated license tabs (isn't that sweet?!).

It seems that I have a few options:

1. Get the repair done (ouch) and keep driving the car for a few more years. Repair cost is about what the market value of the car is (from what I have seen).

2. Sell the car "as-is" between now and December and see what cash I can get out of it. Any buyer will discount the value of the vehicle based on the repairs needed. Of course, then I'll need a replacement vehicle of some sort.

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Ford - [PUT MODEL HERE] :: Catalytic Converter

See related guides and technical advice from our community experts:
How to Replace a Catalytic Converter
Step by step instructions for do-it-yourself repairs

Browse all: Air Intake and Exhaust Guides

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Town Car :: 4.6 Engine Catalytic Converter Location?

I have a 2000 Lincoln Town Car with a single exhaust system, part of/attached to the frontal area of the exhaust "Y" pipe are two lumps with heat shields, the muffler is obvious in the mid-section of the car, but are those "lumps" the catalytic converters, and if so, why two when the older cars had only one?

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Caravan/Voyager :: Catalytic Converter Getting Red Hot And No Power?

Someone put sugar in my gas tank so I had it worked on at the Dodge place they replaced my fuel pump..fuel filter cleaned the tank..flushed the lines cleaned my injectors and replaced the plugs..I went to pick it up I barely made it a mile down the road I had no power and a lady flagged me down to tell me to pull over because I had sparks coming from the bottom of my van I looked under the van and the catalytic converter was red like hit coals the Dodge place is telling me its my flex plate? I think they are misdiagnosing the issue because before the sugar issue I had no problems with my van?

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Prius (Gen 1) :: 2002 / Second Catalytic Converter Has Failed

I have a 2002 Toyota Prius that is currently in limp mode...

Took it to the dealer for diagnostics and they said the Catalytic Converter has failed...So I went online, bought a new one and replaced it. The symptoms prior the Cat replacement were still there...mpg loss, power loss, and exhaust air was not exiting the end of the pipe but actually leaking out the connection point where the Cat and the manifold met.

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Passat (B5) :: Noise And Water From Catalytic Converter

So this morning (Kind of Cold) I went out site and started my car. I heard some noise under the car and I noticed that the noise bad been coming from the Catalytic Converter area and there was water dripping off of it.

My guess is that it was just warming up and the water was from the cold. Is it normal?

I have a GLX V6 ...

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Chevrolet - Camaro :: 2000 - Catalytic Converter Went Out

I have a 2000 Chevy Camaro. Two years ago my catalytic converter went out and I had it replaced. 20,000 miles later my mechanic says that I need to replace it again. Is this accurate? I thought the life of a Catalytic Converter was much longer.

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