Question about 1998 Honda Passport

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Catalytic converter

Will a 98 passport not run right without a catalytic converter?

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  • Anonymous Mar 20, 2014

    Car power doesn't kick in right away

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You may get some "check engine" errors concerning your downstream oxygen sensors - they're the ones that monitor the converter's efficiency. Also I believe your EGR valve will be slightly more likely to clog up - but they tend to do that anyway. Other than that I don't think the operation would be effected that much, as long as the rest of your exhaust system is in good shape.

Posted on Jan 19, 2009

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How do you unclog catalytic convertor?


To my knowledge there isnt a way to unclog them, you have to replace them. The catalytic converters on the G6, run about a thousand dollars a piece, and that without installation, and theres to converters. Go on ebay, I found both of my catalytic converters for around 300 apiece, and they were brand new, by a good manufacturer.

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98 Ford Explorer engine/exhaust noise


When catalytic converters go bad, the porcelain matrix inside comes loose and is noisy.
But you can just unbolt it, break up the loose chunks, pour out the pieces, and it will run better than ever.
If you don't pass the next emissions test, then replace it.

But it could just be the heat shield rattling instead.
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With any vehicles built past 1996, with OBD II, I would not recommend the removal of your catalytic converter.

I hope this helps! :)

Sep 14, 2009 | 1998 Dodge Ram 1500 4WD

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if the converter is rattlin then it needs to be replaced because the element inside is broken. if the jeep still does not run try removing the catalytic converter to see if the restriction is too much. should start if the converter is restricted. if it doesnt maybe its whatever caused the converter to go bad in the first place

May 28, 2009 | 1996 Jeep Cherokee

1 Answer

Catalytic converter


HI, this guide will help you with this replacement.

Step1 Lift your jeep. Unfortunately, the catalytic convertermag-glass_10x10.gif sits about midway down the length of your jeep, so lifting one end or the other will not do. Ramps are your best bet to get you within reach of the parts when working from home. Luckily, this is usually the hardest part of this repair. Step2 Be patient with the bolts, as they are often hard to remove due to size and awkward placement. You may have to drill or saw bolts to remove them. With this in mind, you should pick up new bolts, nuts and seals for your replacement project. Step3 Buy a catalytic converter specific to your jeep to avoid extra work. A generic part must be welded into the jeep, while a vehicle-specific model comes pre-welded to the proper pipes for easy bolt-on installation. Step4 Remove the 02 sensor (with an O2 wrench) before unbolting the catalytic converter. Then, you should remove the pipe connecting the sensor to the converter. Depending on your exhaust system, you may have to remove more pipes before you unbolt the converter from the muffler. Step5 Replace the old catalytic converter with a new one. This should be the easy part, as you simply bolt the new part in place. Step6 Reattach the exhaust pipesmag-glass_10x10.gif and 02 sensor, and the basic job is done. Make sure you replace any cracked or rusty pipes while you have the exhaust system apart.

  • Catalytic converters often fall under a separate emissions warranty that lasts at least 7 years and 160,000 miles. Even if your car is out of its regular warranty, but it is a newer model, ask your dealer to replace the part for you free of charge.
  • Rent the O2 wrench or socket if you do not own one. Most auto parts stores carry this tool for rentals.
  • In many states, older (vintage) cars do not need a catalytic converter, so you can gut it or remove it completely. No damage will result from running a car without a converter.
  • Due to emissions standards, it is illegal to buy or install used converters.
Please rate and god bless:)

Apr 20, 2009 | 1998 Jeep Wrangler

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