TL;DR - I've had a slow leak in one of my Kenda Klever RTs for the last two trips. With a bit of soapy water, I found the problem and got it plugged up.
Once on each of our recent trips to Canada - first to Bella Coola, and then further north - we woke up to a completely flat rear passenger tire on the Tacoma. It was a slow leak - unnoticeable while we were out on the trail during the day - and easily remedied at the time by just pumping a few more pounds of pressure into the tire while we ate breakfast.
I think this has been an issue for longer than those two trips, but the tire in question was previously mounted as the spare, so the last time it'd been in rotation was nearly a year earlier. In fact, it'd been flat when I rotated it into its current position earlier this summer, but I just chalked that up to an extremely slow leak and hadn't given it much thought.
Luckily finding the problem was easy with a bit of soapy water, and a few minutes later, I'd used my handy tire plug kit (one of the most important things to carry if you're ever out exploring) to patch everything up as good as new.
