Question about 2004 Chrysler Pacifica

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Where is catalytic converter

My car is consuming fuel

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The catalytic converter is that item that looks like a muffler at the end of the manifold pipe near the engine . I suggest that you take the car to a service dealer centre to have the fault codes read and to fix your problem

Posted on May 13, 2014

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Posted on Jan 02, 2017

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When the "emissions workshop" light is shown, does the car consume more fuel?


it will indicate that the ECM is no longer able to meet the pre-set parameters because a sensor is faulty or associated equipment has failed
that may be an oxygen sensor, cat converter, canister purge valve , injectors etc
have the fault codes run and reair/ replace faulty units
As to affecting the economy, yes it will because the ECM can no longer keep the engine in perfect tune as it is designed to do.
As to how badly if affects economy will depend on the faulty unit

May 20, 2015 | 2000 Volkswagen Passat 4Motion

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2001 Caravan has red hot catalytic converter and #4 misfire error code.


Engine is way too rich. You will burn that car up. Unburned fuel is getting into the CAT and igniting. Check the injectors.

May 02, 2014 | 2001 Dodge Caravan

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Catalytic converter overheat


A rich fuel mixture will cause the catalytic converter to run hot. A plugged catalytic converter will cause the engine to run poor but not overheat normally

Aug 18, 2013 | Cars & Trucks

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I have Service engine light on for my nissan 2001 maxima. Dealer ran the diagnostics and said Bad o2 Sensor. Today , the Service engine light is gone.. Do I need to replace the part anyway or wait for the...


if it comes back, yes you will need. without pre o2 sensor your car wont idle, it will use lots of fuel and you will face drivability problems if it is post o2 sensor, it is there to check if catalytic converter is ok or not(it won caue drivability problems but may consume little more fuel to run rich and to save catalytic converter). if sensor is broken you need to replace it. if you have error for post o2 sensor but it is ok, this means your catalytic converter is going bad.

Nov 18, 2011 | Cars & Trucks

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What are codes 167 and 042 on diagnostics


167- no change in throttle position sensor range
042- rich condition
...sounds like the throttle position sensor is going bad, unable to measure correct amount fuel per acceleration; sending too much- resulting in a rich (too much fuel) condition.
engine light may begin to flash alerting you that too much fuel consumed at this rate can damage the catalytic converter

Aug 30, 2011 | 2008 Volvo S60

1 Answer

How do you know if your cat converter is going bad? Can you test for it?


There are two ways a converter can fail:
  • It can become clogged.
  • It can become poisoned.
There really is no "inspection port" for the consumer or mechanic to see an actual clog in a converter. Often, the only way to tell if a catalytic converter is malfunctioning (plugged) is to remove it and check the change in engine performance. When a clogged converter is suspected, some mechanics temporarily remove the O2 sensor from the exhaust pipe ahead of the catalytic converter and look for a change in performance.
A catalytic converter relies on receiving the proper mix of exhaust gases at the proper temperature. Any additives or malfunctions that cause the mixture or the temperature of the exhaust gases to change reduce the effectiveness and life of the catalytic converter. Leaded gasoline and the over-use of certain fuel additives can shorten the life of a catalytic converter.
A catalytic converter can also fail because of:
  • Bad exhaust valves on the engine
  • Fouled plugs causing unburned fuel to overheat the converter
­Sometimes you can tell that a converter is clogged because you don't go any faster when you push the gas pedal. Also, there usually is a noticeable drop in gas mileage associated with a clogged catalytic converter. A partially clogged converter often acts like an engine governor, limiting the actual RPMs to a fast idle. A totally clogged converter causes the engine to quit after a few minutes because of all the increased exhaust back pressure.
The catalytic converter, like the rest of the emissions system, typically has a warranty length that exceeds the term of the warranty for the rest of a typical U.S. automobile.
Here is a safety reminder: Do not park your car over tall grass or piles of dry leaves. Your car's perfectly running catalytic converter gets very hot -- enough to start fires! You can keep it running well by keeping the ignition system in top shape, to prevent any unburnt fuel from entering the catalytic converter.

Dec 11, 2010 | 1989 Dodge Dakota 2WD

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My Dodge Dakota won't go above 30 miles an hour and acts like it is going to stop running when the gas tank gets below half full


may have a weak fuel pump, same happened on my dakota, was the fuel pump ,also change fuel filter same time

Dec 06, 2009 | 1995 Dodge Dakota

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Help with toyota corolla 2003 code P0420. Went to Autozone for check engine light help and they discovered BBCatalyst system efficiancy below threshhold-bank 1 Probable cause BB1. air leak in exhaust...


CODE PO420 CATALTYLIC CONVERTER SYSTEM FAULT.ITS SAYING FAULTY CATALTYLIC CONVERTER.IF IT BEEN A WHILE IF YOUR CAR HAS A WHOLE LOT OF MILES ON IT.YOUR SPARK PLUG CHANGE IS DUE AT 120000 MILES. DUE A LITTLE TUNE UP CHANGE AIR FILTER AND FUEL FILTER.SEE IF YOU HAVE ANY ENGINE FAULTS BAD PLUGS DIRTY INJECTORS ANY THING UP SET FUEL SYSTEM CAUSE CAR TO RUN RICH.EXCESSIVE UNBURN FUEL WILL GATHER IN CATALYTIC CONVERTER CAUSE IT TO BURN OUT.SHORTING LIFE OF THE CATALYTIC CONVERTER.

Aug 30, 2009 | 2003 Toyota Corolla

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Bright red catalytic converter . I am having problems running the car when it idles it wants to kill. Tonight I noticed the catalytic converter was bright red when I returned.


The converter is clogged replace it.You probabley are getting less fuel mileage then usual and your car is probabley running hotter.

Jul 29, 2009 | 1992 Oldsmobile Bravada

1 Answer

Catylitic Converter is not fully consuming unspent fuel


 This is an expensive repair...catalytic coverters need replacing if everything else checks out on the car.  However, a loose oxygen sensor lead would make the car running rich

Mar 27, 2009 | 2002 Lincoln LS

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