you should be able to get some heat flowing by cracking the moonroof and/or windows a bit
and make sure recirc is off (i think, try it both ways). worked well for me when i was blowing the underhood blower motor fuse due to honda cheaping out on the blower motor connector so it arced across the...
grab a solenoid rebuild kit:
might also be dirty ignition switch, crack it open and have a look...
Pulled from "great running" 98 integra gs-r (former owner's words, can't verify).
Includes new honda valve cover gasket with plug seals and grommets/
new intake and exhaust manifold gaskets.
$500 for everything includes shipping within continental usa. paypal only!
located in sedalia mo.
moog parts are no longer recommended.
their stuff is now made in china. bought some of their ball joints and the boots were paper thin...
could be time for a new tps.
dorman is what i use, forget about ebay brand x or trash brands like blox.
be sure to torque it down good or it will drift out of spec and cause the same problem.
get one of these, totally worth it.