i was getting the P0420 code. i took the "below threshold" as it was reading lean. would that mean my front sensor is reading bad or do you think the 2nd cat made too much flow?
99 Expy XLT 4.6L, i had someone cut both of my rear cats off and just weld straight pipe in with my O2 sensors in it, hoping to increase exhaust flow. now getting a bank 1 lean O2 reading. just wondering if he placed the O2 sensor too far back or if the cat helped it read correct. can anyone...
roommate went out to start my 99 4.6xlt, crank and fired then immediately died. now every time turn the ingnition, it sounds like a flywheel or starter is spinning. won't fire at all. why would it start then die and now sounds like that? im on vacation and my roommate had to borrow it because...
i have same problem w my 99 4.6L. same misfire sound and code. light will go off and come one randomly. have you tried cleaning your throttle body? i opened the butterfly valve and it seriously looked like someone caked oil in there. it may help your problem since you've already replaced every...
thats wat i was thinking cuz a quick smack will sometimes fix it. looks real classy with when you have your girl in the car haha thanks i appreciate it
99 expy XLT digital mileage comes and goes @ random times. mostly stays half illuminated but won't show up @ all sometimes and others it will be fully illuminated. fuse is fine. anyone else have this problem? also OD kickout isn't working. light won't come on or anything. fuse for it is ok too
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