Well first off this is my first post and i am sort of a noobie to the whole Honda experience. My background is with motorcycles as i am a mechanic of 5 years. A lot of my friends have hondas so most stuff is not that new to me and neither is troubleshooting. You wont find me posting a question without first exhausting all other resources and trying some things on my own.


My problem, I am throwing no cel codes, car runs great once warm, but when you start the engine you have to give about 25-50% throttle for it to fire up. Once started, I have to keep on the gas until the engine is warm at which point she idles and runs like a dream. If you dont give it gas it will fire up briefly and then die again, no matter how many times you try.

I tried the usual suggestions from this and other forums lik plugs, wires, bled the cooling system, cleaned the IATV(was pretty dirty) and also reseted the ECU.

ANY IDEA W>T>F is goin on???

 

my car did something like that
it was the intake manifold
the worse it got the harder it was to keep running
don't now if that is what yours is doin but i hope you get a hold of it!
good luck

 

Its been doing it since the summer (july) but only now is it really pi$$ing me of cuz i have to sit in the cold *** car in the morning warming it up[sm=bangbang.gif]. It hasn't progressed at all. Still the same ol' crap.

Thanx tho!!

 

I had similar problem with my Civic 1991: hard to start when cold, fine after, although timing was set correctly.
Honda shop manual says the Coolant Temperature Sensor (TW) is the first thing to check; next are the Electronic Air Control Valve, Manifold Absolute Pressure Sensor, Computer, in the order as shown. It was very frustrating to find the cause as I did the followings: set timing, add cleaner to gas tank, change fuel and air filters.
I finally took my chance to replace the TW ($30) as the checking is complicated. Luckily the problem went away and I could feel the car actually runs better than before hearing that a faulty TW can do more damage besides the starting problem.
What I don’t understand is the starting problem did not go away right after I installed the new TW, car actually did not start at all. The next morning I was about to undo my change but gave 1 more start and it’s been perfect for a week now. My guess is since ii involved the computer which needs time to reset.
I also learn not to overlook sensors which can affect the computer which can create unrelated problems, so much for “smart” things !
And on my old car, no sensor can function as originally, scary !