2012 Honda Pilot — temperature climbs in traffic but drops once moving

Intermittent stuff lies if you only catch it once. Move a coil or plug on the 2012 Honda Pilot if it's cylinder-specific and see whether the code follows. If the cheap test changes it, stop and reassess. On “temperature climbs in traffic but drops once,” that was the fork that mattered for me. When does it actually happen? Not driving it hard until I know more.

I wouldn't throw parts yet. If a shop can't duplicate it on the 2012 Honda Pilot, bring a video plus freeze-frame data, not just a story. If the cheap test changes it, stop and reassess. If you share a photo of the worksheet, easier to sanity-check. If the story changes I'll post the new data.

It did temperature climbs in traffic but drops once twice this week, both times after sitting. No change in mileage feel. I already checked the easy fluid levels.

This is usually cheaper to test than to guess. Move a coil or plug on the 2012 Honda Pilot if it's cylinder-specific and see whether the code follows. That's the branch I'd chase this week. Run the total, not the monthly, before you commit. That's coming from doing this as an owner, not a shop. Happens in gear, not in park, for what that's worth.

Log the conditions before you spend. A pressure test beats staring at a dry driveway if the 2012 Honda Pilot is losing coolant with no puddle. Don't erase codes until someone who can help has seen them. On “temperature climbs in traffic but drops once,” that was the fork that mattered for me. That's the whole play. This is the filter I use when the thread starts repeating itself. I'm keeping receipts and dates in one folder.

If it were in my driveway, get a real battery/charging test on the 2012 Honda Pilot, not just resting voltage, before blaming a module. If the cheap test changes it, stop and reassess. This is from a 2012 Honda Pilot in Texas. When does it actually happen? I'd rather pay for diagnosis than a second guess-repair.

Ask what changed right before it started. Swap the cheap/easy piece first on the 2012 Honda Pilot and see if the fault moves. That's the branch I'd chase this week. When does it actually happen? I'm in no rush to be a hero on it.

Cleared nothing. I want service to see the alert on the 2012 Honda Pilot first. Wrote this up on my lunch break.

Intermittent stuff lies if you only catch it once. Write temp, speed, and in-gear vs coast when the 2012 Honda Pilot does it — then decide on parts. That's the branch I'd chase this week. On “temperature climbs in traffic but drops once,” that was the fork that mattered for me. If you share a photo of the worksheet, easier to sanity-check. Climate here is different, so treat that as a local data point. I keep a notes app thread for this now.

It did temperature climbs in traffic but drops once twice this week, both times after sitting. No change in mileage feel. Happens in gear, not in park, for what that's worth.