Hi
I have a problem with throttle pickup. From cold the car drives like a dream. The throttle response problem only occurs if I park up for a few minutes to 30 mins. When I then start it again and drive away (I will engage first release clutch an give a litte revs...im sure thats what im supposed to do). At this point its a bit random if the car will pull away smoothly or not. On saturday I tried keeping the throttle pedal constant at 3000 and found that the revs jumped from 1000 (nearly stalling in first) to 3000 randomly. Causing me to look very amateur as im trying to pull away smoothly. Once the car has got over this initial fit (in the first minute of driving) it is absolutley fine as if there was never a problem. The problem only occurs under load (i.e. in gear).
It only occurs on a warm restart, and then only in the forst munute of driving.

Honda had it last week and there were no error codes logged in the ECU. They checked everything they could think of and even checked and adjusted the tapets.
They are about to contact Honda UK for some advice.

My guess is that it the map sensor, but an error here would have been logged? Its definately something to do with warm air or fuel.

Id be interested to see if anyone has some other ideas.
Thanks
Paul

 

I had this myself this morning in traffic........I thought this was a known issue......as soon as I got 25-50metre of clear run it was all fine

 

Is this the bunny/kangaroo hopping thing?

 

Try searching. There is a lot on this....

-Brian.

 

Don't take any advice from me but I think some of our more knowledgeable friends do advise giving the map sensor a sharp whack from time to time.

Get some confirmation before you get your hammer out though.

Noony

 

VTECAZ...... do you run on normal unleaded or super?...... most of us find that running on Optimax clears the symptoms you seem to be describing......

 

If your car hesitates as it goes into Vtec, that's the map sensor sticking, hence give it a tap. This doesn't sound like a map sensor problem. Maybe someone else to have a search and read?

-Brian.

 

Thanks for the replies.
This is not the bunny hopping problem described in depth elsewhere (due to hot air). When i press the throttle there is no increase in revs at all for maybe 3 seconds or more, as if i havent actually pressed the thottle. This is potentially lethal if it happened when pulling out into traffic.
It is not misfiring when it occurs. I always run on optimax.

 

"to the dealers quickly" is my answer!

 

VTECAZ,

I agree with craig.
I've not heard of this specific problem before, but 3 secs is a LONG time in the scheme of things, and as you say, can be dangerous in certain situations.

Dealertime, I think.

San.