Question about 1994 Toyota Camry

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Can i remove the catalytic converter from a 94 camry with no issues

Posted by Anonymous on

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  • 2 Answers

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Posted on Jan 02, 2017

  • 98 Answers

SOURCE: check engine light

that code is saying that your catilitic converter is junk, but could be caused by some other problem also gas leak on exhaust system a/f sensor bank 1,2 sensor 2. heated oxygen sensor bank1 sensor 2, or the three way catilitic converter. these are the listed reasons for that code being thrown, to tell you the truth its not really that big of a deal ya know, i mean its just emissions, either the cat is bad or the oxygen sensor is bad in my opinion will it hurt the car? no, will that little light annoy the **** out of you? YES ; ) because the sensor is behind the cat it will not have any imput into your computer to change fuel maps or anything, the post sensors are only for reading if the cat is good or not, i actually cut mine off and the cat, the check engine light might always be on, but if my car messes up for some other reason then i will feel or smell it and dont really need the dummy light yea know? anyways its your choice to live with it or to take it to the shop and have your sensor tested/cat looked at, either way it wont hurt your car, if your front o2's start going bad you have to change those, but not the post cat one. dont let those shop guys bully ya into spending to much tell me what they say cause there always after an unsuspecting person's wallet, thats why i opened my own shop.

if this helped throw some blue/fix ya rating.
take care have a good day
Ez Automotive/U.S. Army

Posted on Sep 13, 2008

  • 111 Answers

SOURCE: catalytic converters

If you are going to change the convertors I would just replace the first one closest to the engine. But when a computer code says "bank" they usually are refuring to the Oxygen sensor that is there , they are classified as bank 1 and bank 2. 1 being closest to the engine and 2 being farther down the exhaust. If its a computer code that told you bank 1 you might need to look at your oxygen sensor instead of your catalitic converter.

Posted on Dec 12, 2008

  • 277 Answers

SOURCE: How many catalytic converters are on a 2000 Toyota

two on on the straight pipe and the other on the y pipe for a 3.0 liter

Posted on Dec 11, 2010

  • 277 Answers

SOURCE: 2000 camry flex pipe repair

Yes it does

Posted on Dec 11, 2010

  • 4793 Answers

SOURCE: How many catalytic converters does

the cat(s)are always located as close to the engine exhaust manifold as posible so looking from under the car you can see them.

Posted on Jan 29, 2011

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1 Answer

Where is the obd port located on my 2002 Toyota Camry and how do I flash the computer after replacing catalytic converter (updated catalytic converter)

To the right of steering wheel under dash white plug also
replaceo2semsor-aswell pull the o2 sensor and see howmuch
the converter is cloged o2semsor out turn on car feel the hole the sensor came out

Sep 27, 2014 | 2002 Toyota Camry

1 Answer

What can I do to past auto inspection?

Because of lack of information (data) about your inspection, it is hard to tell where the failure is.
For more information about changing catalytic converter. The price can be 10 times different.
The highest quota I got was over $1400 (the golden smog station), the lowest was below $200 (found by state division where I asked for compensation due to old car -- since I cannot go there directly, I paid $325 fro an agent to do it). Dealer was asking for $700.
After changed a home genie catalytic converter, which worked better then the original manufactured till car is dead in another 10 years, I brought it back to the golden smog station for free re-test. The technician did not believe that is a new, and inspected to verify that is true.
This homegenie catalytic converter passed a number of smog tests till car is dead after another 10 years.
BTW, the original manufactured catalytic converter failed on the very first smog check at year 6 or 7 after can was bought, so it is possible you had a failure catalytic converter, but inspection result may tell.

Jul 21, 2014 | 1990 Toyota Camry

1 Answer

Toyota camry problems

before you go changing out the catalytic converter realize that the engine light comes on with only a few percent of the catalytic converter plugged - so before you change it, clan out the engine combustion chamber. i did this on my ford Taurus and with a $5 can of carb cleaner, it solved the problem

Jan 28, 2014 | Cars & Trucks

1 Answer

What do I need to do when this code is given? Po420 code

A P0420 is a code given by the PCM to indicate that it's detected efficiency of the catalytic converter is decreased - or that the catalytic converter isn't working correctly.

The PCM determines this by the readings it gets from the oxygen sensors before and after the catalytic converter. The code can be caused by a bad catalytic convertor or a bad heated oxygen sensor. It can also be caused by the fuel system if a malfunction there is trying to make the fuel/air ratio too extreme (lean or rich) to make the oxygen sensor attempt to work outside of their specified range.

I would recommend taking your vehicle to your local trusty auto repair facility and having them diagnose the issue and recommend a course of action. Don't be afraid to take it to multiple places to get second opinions.

May 27, 2011 | 2002 Toyota Camry

2 Answers

I have an 1998 Chevy Blazer and need to change the catalytic converter, are the flange bolts welded and can i cut them

Catalytic Converter Removal & Installation 2.2L Engine To Remove:
Catalytic converter 2.2L engine gm-03-22-734.gif

  1. Raise and safely support the vehicle.
  2. Disconnect the heated oxygen sensor (HO2S) electrical connector.
  3. Remove the exhaust manifold pipe flange mounting nuts from the catalytic converter.
  4. Remove the catalytic converter flange mounting nuts from the muffler.
  5. Remove the catalytic converter from the muffler.
  6. Remove the catalytic converter from the rear hanger bracket insulator.
  7. Remove the catalytic converter.
  8. Remove the (HO2S) from the catalytic converter.
To Install:
  1. Install the (HO2S) to the catalytic converter.
  2. Install a new gasket and the catalytic converter to the muffler.
  3. Install catalytic converter to the catalytic converter hanger.
  4. Install the catalytic converter flange mounting nuts to the muffler flange.
    • Tighten to 26 ft lbs (35 Nm).
  5. Install the catalytic converter flange mounting nuts to the exhaust manifold pipe flange.
    • Tighten to 26 ft lbs (35 Nm).
  6. Connect the heated oxygen sensor (HO2S) electrical connector.
  7. Lower the vehicle.
------ Catalytic Converter Removal & Installation 4.3L Engine To Remove:
  1. Raise and safely support the vehicle.
  2. Raise and support the transmission.
  3. Remove the transmission support
  4. Disconnect the left and right pre-converter heated oxygen sensor (HO2S) electrical connector.
  5. Disconnect the post-converter (HO2S) connector. Muffler flange and gasket gm-03-43-731.gif

  6. Remove the catalytic converter flange mounting nuts from the muffler.
  7. Remove the catalytic converter from the muffler.
  8. Remove the exhaust manifold flange mounting nuts from the catalytic converter. Catalytic converter 4.3L engine gm-03-43-735.gif

  9. Remove the catalytic converter from the support bracket insulator.
  10. Remove the catalytic converter and gaskets.
  11. Remove the heated oxygen sensor.
To Install:
  1. Install the heated oxygen sensors as needed.
  2. Install a new gasket and the Install the catalytic converter to the support bracket insulator.
  3. Install the catalytic converter to the exhaust manifold flange. Install the mounting nuts.
    • Tighten to 39 ft lbs (53 Nm).
  4. Using a new flange gasket, install the catalytic converter to the muffler. Install the mounting nuts.
    • Tighten to 30 ft lbs (40 Nm).
  5. Connect the left and right pre-converter heated oxygen sensor (HO2S) electrical connectors.
  6. Connect the post-converter (HO2S) electrical connector.
  7. Install the transmission support.
  8. Lower the transmission.
  9. Lower the vehicle.
prev.gif next.gif ---
It looks like you can cut them and replace them with new bolts and nuts.prev.gif next.gif

Sep 05, 2010 | 1998 Chevrolet Blazer

3 Answers

When i start my 95 camry it runs great for the first 3 or 4 minuets and then when it warms up and you try to accelarate then it sputters and shuts down

check the ignition coil for crack and burn
also check catalytic converter for clogged up by disconnect the exhaust pipe before the catalytic converter to see if it runs better

Mar 28, 2010 | 1994 Toyota Camry

3 Answers

How many catalytic converters do a 94 wiyh 454

one it is on the pass side next to the frame rail

Sep 25, 2009 | 1994 Chevrolet Suburban

1 Answer


Not just a faulty catalytic converter will trigger this code. Many other issues can trigger this code.

  • Leaded fuel was used where unleaded was called for
  • An oxygen sensor is not reading (functioning) properly
  • The engine coolant temperature sensor is not working properly
  • Damaged or leaking exhaust manifold / catalytic converter / exhaust pipe
  • Delayed spark timing
  • The oxygen sensors in front and behind the converter are reporting too similar of readings
Possible solutions:
  • Check for exhaust leaks at the manifold, pipes, catalytic converter.
  • Replace Coolant Temperature Sensor
  • Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor in front of the catalytic converter normally has a fluctuating waveform. The waveform of the sensor behind the converter should be more steady).
  • Inspect the downstream heated oxygen sensor (HO2)
  • Replace the catalytic converter
  • Have timing adjusted

Aug 25, 2009 | 2002 Toyota Camry

2 Answers

Catalytic converter question 94 Jeep 4.0

Most likely yes, why remove it, it only pulls about 1-2 HP at wide open throttle.

Nov 25, 2008 | 1994 Jeep Wrangler

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