LifeBegins@6K

First off, I'm new to the forum, so hi everybody, and thanks in advance for any advice you can give. I'm having an annoying problem I hope somebody can help me with. I have an '03 S with 27K on the clock. It has no modifications and no issues of any kind, other than the following. Cold idle is normal and smooth. Once the car warms up, things aren't so great. The car revs perfectly, but when I disengage the clutch (while coming to a stop or whatever) the engine doesn't drop to idle, it drops below idle, and lugs around for a few seconds. Once the engine staggers its way back to 900 rpm, it idles smooth and normal. Right now I have the car in storage for the winter, only driving it every couple of weeks or so. Now that it isn't being driven often, it will sometimes die completely instead of just lugging. Not when its cold, though. Only when its warm. Has anybody had this problem before? Thanks
Dan

J'sS2K

I don't have much experience with this car much either, but from what I read my only guess is that maybe it's because you disengaging the clutch too slowly as you brake to a complete stop. It's only a guess. I hope it helps.

Jason

LifeBegins@6K

Hmmm... Sometimes I disengage it slowly, sometimes quickly, it doesn't seem to make a difference. Thanks anyway, though.

8 GRAND

Map sensor? Only because ive been reading a lot about MAP sensors lately. Maybe?

Keep it above 6K all the time, and your good..... LOL


Chad

The Twanksta

is not bc of your clutch disengagement, there is a faulty sensor somewhere...i cant remember exactly which one is to blame but im sure someone will chime in with the right info!

NVMY4N

1. You can try a "Map Whack" and Zip Tie

1b. Check to see if you are/were eligible for a new MAP sensor and Tie. They are only like 50 bucks.

2. And follow up with an ECU Reset. (before you start the car....after the Map Whack)

Still Not fixed

3. Clean the IAC Valve.

These are merely simple things to do before you take it in that are "free" processes that can cure little annoying ailments such as what you are describing.

NVMY4N

You can always try Fuel additives, and Fuel Injector Cleaning additives. And just to throw in the obvious 93 Octane Only.....

jyeung528

there's a TSB on this...map whack or replace the map sensor with the updated version.

my dealer did this for free when i brought in the TSB.

bigteninch

I had the SAME symptoms recently ('02 with 30k) and eventually the CEL came on. I noticed you did not mention the CEL, so I will assume it is not on yet. Mine would run fine while cold, but once warmed up the problem was there.

In my case it was the TPS, which is not cheap and has to be purchased with the throttle body. I think that Honda does this to assure proper voltage setup (especially on such a high rpm motor) but not sure. Have you cleaned your engine recently? Check for moisture in the TPS plug.

There are some guys here that have used TB with the TPS still on that will sell them pretty affordably.

Keep us posted on what you find out.

LifeBegins@6K

Thanks, everybody. I haven't had time to fiddle with the car for a few days, but as soon as I have a chance, I'll do what you suggested and let you know how it turns out. Thanks again
Dan