Question about 1998 Chevrolet K1500

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1998 chevy 1500 with a 5.7 has engine code of po430

1998 chevy 5.7 code po430

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Hi your code says u have got a bad catalytic converter

Posted on Nov 18, 2009

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Code po430 2007 trailblazer ss 6.0 engine light cam on why?


Code po430 is your O2 downstream sensor on your right bank telling you that you either have a problem with your catalytic convertor ot possibly your O2 sensor or wiring are bad.

Oct 26, 2015 | Cars & Trucks

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Which catalytic converter do I replace on a 1998 chevy silverado 1500k with a PO430 error code


Pull the 02 sensor ahead of the cats and see which one allows the engine to run best and that is the one you want to change. On a 199 you may want to change both because about time you do one it won't be long before you do the other.

Jul 01, 2014 | 1999 Chevrolet Silverado 1500

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Will the transmission from a 1998 chevy 1500 fit in my 2001 chevy 1500


The transmission in question is called, "4L60E" There are two versions. The 4L60E ran from 1992-1997. Then the 4L60E was updated and ran that version from (1996-2010). In 2002 GM introduced the 4L65E. So YES you should not have a problem fitting a 1998 chevy 1500 with a 4L60E into a 2001 Chevy 1500 with a 4L60E. You didn't mention that both were 2wd or 4wd. You can not convert a 2wd into a 4wd. I hope that helps, good luck.

Feb 17, 2014 | Cars & Trucks

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Engine light on give me code po430


A code P0430 may mean that one or more of the following has happened:
1. The catalytic converter is no longer functioning properly
2. An oxygen sensor is not reading (functioning) properly
3. There is an exhaust leak


Possible Solutions:

First, inspect for exhaust leaks.
Next step is to measure the voltage at the oxygen sensor on Bank 2. In fact, it would be a good idea to test each oxygen O2 sensor while you're at it.
One thing to note is that many vehicle manufacturers offer a longer warranty on emissions-related parts. So if you have a newer car but it's out of it's bumper-to-bumper warranty, there still may be warranty on this type of problem. Many manufacturers give a five year, unlimited mileage warranty on these items. It's worth checking into.


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Dec 20, 2012 | Cars & Trucks

1 Answer

Po430 trouble code


P0430 - Catalyst System Efficiency Below Threshold Bank 2. The most common cause it the three way catalyst converter Bank 2. Common Problems That Trigger the P0430 Code

Feb 19, 2012 | 2005 Dodge Ram 1500

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1998 Chevy Truck 1/2 ton 350 engine. Trouble codes P0404, P0405 and P1404. I replaced the EGR valve. Now I get t/c P0404 and P0405. Now what should I check?


404 is exhaust gas recirculation circuit, and 405 is exhaust gas recirculation sensor circuit low. EGR sensor or ground?

Nov 13, 2009 | 1999 Chevrolet Silverado 1500

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98 silverado codes po420,po430,po446


if the cat was pluggin you would see this as your going down the road it would not get to top speed .. They act up usually only run 40 top speed.

Apr 12, 2009 | 1999 Chevrolet Silverado 1500

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how to replace timing chain on 1998 chevy 1500 pickup truck

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