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Need Help with P0430 trouble code. (Catalytic converter)
On 4/28/2011 10:29 AM, stryped wrote:
> On Apr 28, 7:08 am, Steve > wrote: >> On 4/27/2011 9:48 PM, stryped wrote: >> >> >> >> >> >>> On Apr 27, 7:22 pm, (Scott Dorsey) wrote: >>>> > wrote: >> >>>>> Call me anal, but I hate any check engine light on. If the second 02 >>>>> snesor measures how much 02 is being taken by the converter, I guess >>>>> taking the guts out of the inside of the converter would cause a code? >> >>>> Yes, it would cause precisely the code you have. >> >>>> Again, could be a sensor or wiring, or it could be a bad converter. Given >>>> the mileage, a bad converter wouldn't be surprising. >> >>>> I have cleaned gunked-up converters with acetone and had them work well >>>> again once the catalyst was exposed again, though I can't recommend that >>>> and it may not be legal (even if effective). But it's also possible to >>>> have the catalyst just mechanically worn away after enough exhaust has >>>> passed through there. >>>> --scott >> >>>> -- >>>> "C'est un Nagra. C'est suisse, et tres, tres precis." >> >>> Is there a way to bypass the converters and somehow fool the sensor >>> into working properly? Autozone has a "universal" converter for 73 >>> bucks for one. I'd rather just do away with them if i could still get >>> the light to go off and for it to run properly. >> >>> By the way when it talks about "bank 2" for the code, which converter >>> is that on my 1996 350 silverado? >> >>> I appreciate it! >> >> Passenger side- Hide quoted text - >> >> - Show quoted text - > > Ok. I will check the o2 after the cat on the passanger side. > > One question, if the o2 sensor after the cat just looks for oxygen, > what would happen if you left a good o2 sensor plugged in but took it > out of the exhaust pipe into free air? Looks like it would read more > oxygen. > > It seems I read somewhere about replacing the cat with a straight pipe > and welding in a spark plug non fouler to "lift" the o2 sensor out of > the exhaust stream a little bit Different makes check the cat operation a different ways. What works on Ford might not work on Chevy, etc. |
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