Cat vs. Bat
I have been working on fixing up a 2004 Insight that has been neglected for some time. I want to keep it running because at 3000 miles a month I put on it, it pays for itself.
At 173,000 miles I replaced all three oxygen sensors and both grounding straps. As I feared might happen, a cat code came up P0420.
At 175,000 miles the IMA light comes on and gives me a P1447, and I'm happy I didn't run out and spend the dollars on any cats. Instead, I ask around about battery replacement options and am considering a better battery.
Two nights ago at 178,000 miles I get pulled over for a broken headlight. I replace the lamp in the Walmart parking lot an hour later. When I start up the car, the IMA light is gone. The P1447 and P0420 code are still there, but now a P2000 pops.
Why would the IMA light go out while the code remains?
What if any possible connection could replacing a headlamp have with the light going out and a new cat code appearing? May there be some other underlying issue I need to address.
So, I have a couple of costly issues to address. What should I address first, replacement of the cats or replacement of the IMA batery?
And, as long as your reading, I checked with the dealer about whether the batter had ever been replaced on this car. They could only check for warranty work and that showed it never had. Still, I wonder. Is there an easy way to check if a batter is a replacement, or will I have to remove the pack to look for a label? Frankly, if this is the original still running at 178K I will have no problem expecting a replacement to last some time. But if the prior owner paid for one at 101K not such an attractive option.
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