1998 Honda Civic relearn idle

SOURCE: 1998 honda civic parking brake frozen right rear wheel in cold we

do not use the park brake when it is cold--the linings are freezing to the rotor

SOURCE: HOW DO I BLEED A COOLING SYSTEM 98 HONDA CIVIC

I believe the previous solution is confusing your AC system with your cooling system. Trapped air in the coolant is unlikely to occur anyway.
Check rubber hoses around the intake. Look for loose clamps or collapsed hoses that can leak air into the intake bypassing the throttle; a vacuum leak.
If OK, locate the engine temperature sensor for the engine control system. (Look in a parts catalog or service manual for the car). It may be defective. I'm assuming from your OP that the Engine light is not staying on. If it does stay on, there may be a trouble code saved in the engine control computer.

SOURCE: 1998 honda civic ex sedan

remove rear seat, remove round metal cover, disconnect fuel lines and wires from top of fuel pump, jack up rear of car. remove gas tank straps, lower gas tank with a jack, install is reverse.....if you need to just replace the fuel pump you don't have to remove tank you Can access from under rear seat good luck and please rate -jeff

SOURCE: reset keyless entry on 1998 honda civic

Okay, here goes-

1. Turn Key to on position.
2. Push and hold **valet button on the stock radio.
**Valet button is skinny bar located between am/fm & cd/tape buttons on stock radio.
Door locks will cycle one time.
3. Press any button on remote one time within 20 seconds. Door locks will cycle again.
4. To program up to 4 additional remotes repeat step 3 for each additonal remote.
5. Turn key off programming is complete.

Thanks for using Fixya, please rate if this helps :)

SOURCE: 1995 honda civic idle problem

iac valve or tps