Blowing a P0430
#1
#2
O2 sensors sense oxygen, not carbon monoxide. Try this instead:
https://www.walmart.com/ip/Cataclean...BoCdzcQAvD_BwE
https://www.walmart.com/ip/Cataclean...BoCdzcQAvD_BwE
#4
#5
Join Date: Jan 2012
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Find and correct the misfire(s) on Bank2 prior to going any further. When DTCs P0430 or P0420 are present, the catalyst is damaged and must be replaced.
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guy (04-28-2020)
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Guessing on a Jaguar can become very expensive very fast.
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#13
#15
I had a P0420 code that (believe it or not) was caused by a bad connections from the exhaust pipe to exhaust manifold.
I got the code, checked my fuel trims and saw they were off. all I had done immediately before was try and adjust the lay of the exhaust pipe so I took off the Bank 1pipe and smoothed out a ridge at the sealing surface and reinstalled.
And the fault went away and my trims were fine again
I didnt think a leak would throw that code but it did
I got the code, checked my fuel trims and saw they were off. all I had done immediately before was try and adjust the lay of the exhaust pipe so I took off the Bank 1pipe and smoothed out a ridge at the sealing surface and reinstalled.
And the fault went away and my trims were fine again
I didnt think a leak would throw that code but it did
#16
1. it's running with poor fuel trims, so gradually damaging the cat(s)
2. it's not going closed loop, so will run very rich, gradually damaging the cat(s)
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gkubrak (04-29-2020)
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The last time I threw these codes was when I was revving the engine like crazy (And a few brake stops and spinning and general little boy fun) Smoke, aromas of tires, exhaust, and fire red cats. That was at the Saturday night pre-party at Montreal F1, on Rue St. Catherine... Great memories and worth the expense for new cats, lol.
BTW, I now think of cats as a disposable and maintainable component... like tires, brakes, bushings,...
BTW, I now think of cats as a disposable and maintainable component... like tires, brakes, bushings,...