2000 honda accord se hesitating

My accord always hesitates for a moment (less than a second) soon after I
first start driving it. I would say I drive maybe 1-2km and then the engine
for just a moment appears to almost stall then runs perfectly. This only
happens when the car has sat for a long enough period to cool off fully. It
has no other problems and it works fine if I were to be on a lengthy drive
say 500km or more, just that initial "almost stall" and then recovery.

By the way its a 5 speed 4 cylinder, around 90000km. Anyone have any ideas?

 

You should have your fuel filter replaced during your next scheduled oil change.
Also, buy a can or bottle of a chemical that you pour into a full tank of
gas that helps clean the fuel injection system.
Also, incorrect timing can cause this problem. If the above suggestions
don't solve the problem try resetting the timing, changing the spark plugs
and checking for any air leaks.

 

Why?

How would any of these suggestions correct the problem his car is
demonstrating?

 

Per Haynes: "Engine stumbles on accelleration":
spark plugs fouled
Fuel Injection System faulty
Fue filter clogged
Incorrect ignitiion timing
intake manifold air leak

Didn't see any diagnostic guide in the factory service manual.

 

Thanks for the input everyone, I can try everything here but the timing.
It is almost due for a new timing belt anyhow, but I'll leave that job to
the experts.

 

That all implies a persistent condition, the OP reports one
nonrecurring event with each start.

 

I should have mentioned that I got the information in my post the same
place where you got the same information in your post.
Jason

 

Appears to be a great plan.

 

It should be mentioned that the OP did *not* describe an Engine which
Stumbles upon Acceleration...

 

What is your solution for the problem? As most any mechanic will tell you,
the same factors that cause an engine to "stumble upon acceleration" can
also cause an engine to "hesitate". Obviously, just as doctors disagree on
solutions to a medical problem, I'm sure that mechanics disagree on
solutions to an engine related problem. It's a lot easier to criticize
those that provide advice than it is to provide advice.

 

I interpret hestation as the same as stumbling. Is there a
difference?

Haynes does not quantify the condition. Do they mean "just at start
up", "always", "internmintent". etc.

I am not an expert but if any of that stuff hasn't been done as per
maintenance schedule - it seems like unwasted money to bring the auto
into a "known" state.

Reminds me of my sister wanting me to help her fix her PC when she
wasnt willing to purchase a anti virus program and a virus checker
(not fixer) had determined there was 32 viruss resident in her
system.

 

It happens once per start cycle, in a known state, and only when cool.

Sounds to me like a position or temperature or O2 senor, or some other
such ECM input device is failing, in a way that subtly interrupts the
smooth transition from open to closed state operation.

There is an INCREDIBLY simple solution which obviates such shade tree
pickle barrel conjecture: OBD-II.

This machine is controlled by several digital computers and an
intricate web of sensory input devices. The correct way to diagnose
which systems and device is faulty is NOT to easter egg through a
laundry list of outdated shad tree voodoo machinations, but for a
trained operator to hook it up to an OBD-II interpreter.

Trained OBD-II operators can be found at any licensed repair station.

It's seems even easier to dispense worthless and/or misleading advice,
rather than to think rationally.

 

Stumbling on acceleration means every time one presses the accelerator
pedal the engine misses as it runs up, the OP described a condition
where, once per start cycle and only when cold, his car seems to
hesitate, momentarily loses power, without regard to accelerative
state.

....Hence Haynes is neither a comprehensive nor exhaustive resource.

Did you start replacing the component parts of her computer
willy-nilly *before* properly analysing her system and its faults?

Would blindly replacing the floppy drive, simply because it was the
easiest thing to do, ever have been the proper course of action?

....That exactly is what is being recommended here, by some.