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If P0420 is present then:
Topic Started: Apr 4 2012, 08:44 PM (5,277 Views)
Bad Bent
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Facetious Educated Donkey

iBLKBRY
Apr 26 2012, 03:44 AM
Every once in a while, I get the P0420. I just reset it and drive on. Stupid nuisance. I use 76 gas, or another quality station. Oh well, my gas mileage keeps improving with my driving technique. Getting 52mpgs with a straight-up un-modded '96. Nothing fancy, just well maintained.
I cleaned the posts on my old distributor and the P0420 light went out. Later I changed the #1 O2 sensor (the '91 only has 1) and never saw the 420 light again. :)
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dragnfly
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Woodie , I will keep that in mind and see how it goes . so far so good .
Edited by dragnfly, Apr 26 2012, 04:42 PM.
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