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  #1  
Old 10-27-2004, 05:27 AM
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idle speed

My Accord has started doing something a little strange. On cold startup, the engine will go into high idle (as it should). However, this will on occasion 'spike' the revs up to 2k or a bit higher without pushing on the gas.
It concerns me because when you put the car into drive, the car will accelerate much quicker than I'd expect. I almost took off my bumper last night when turning out of a parking space.
The car will accelrete enough to shift into second, with no foot on the gas. I let it go last night, and it got up to about 22 mph with no input from me, other than putting it in gear.

(it wasn't cold, the temperature outside was 62 degrees)

Has anyone heard about this occuring in i4 7th gen accords?
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Old 10-27-2004, 05:42 AM
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Possible gummy t-body sticking??
Or a Idle air control problem...
I'm sure princess will see and let you know if there are any bulletins on this issue...

I1
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  #3  
Old 10-27-2004, 05:47 AM
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It just has caught me off guard a few times. I came out of a 1.6 liter Civic, so low-end torque is a new phenomenon for me as well!
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  #4  
Old 10-27-2004, 07:24 AM
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There is no bulletin, but it may have somehow lost it's memory.... I don't know if you can do this, but here's how to "teach" it:



The idle learn procedure must be done so the ECM/PCM can learn the engine idle characteristics.

Do the idle learn procedure whenever you do any of these actions:

The ECM/PCM is replaced.

The ECM/PCM is reset.

NOTE: Erasing DTCs with the HDS does not require you to do the idle learn procedure.

The throttle body is replaced or cleaned.

Procedure
Make sure all electrical items (A/C, audio, rear window defogger, lights, etc.) are off.

Reset the ECM/PCM with the HDS.

Turn the ignition switch ON (II), and wait for 2 seconds.

Start the engine, and hold it at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, or until the engine coolant temperature reaches 194F (90C).

Let the engine idle for about 5 minutes with the throttle fully closed.

NOTE: If the radiator fan comes on, do not include its running time in the 5 minutes.


Here's how set the throttle cable:

Check cable free play at the throttle linkage. Cable free play (A) should be 3/8-1/2 in. (10-12 mm).

If the free play is not within spec (3/8-1/2 in., 10-12 mm), loosen the locknut (B), turn the adjusting nut (C) until the free play is as specified, then retighten the locknut.

With the cable properly adjusted, check the throttle valve to be sure it opens fully when you push the accelerator pedal to the floor. Also check the throttle valve to be sure it returns to the idle position whenever you release the accelerator pedal.


To test the throttle body:


Do not adjust the throttle stop screw. It is preset at the factory.

If the malfunction indicator lamp (MIL) has been reported on, check for diagnostic trouble codes (DTCs).

With the engine off, check the throttle cable movement. The cable should move without binding or sticking.

If the cable moves OK, go to step 2.

If the cable binds or sticks, check it and its routing. If the cable is faulty, reroute it or replace it, then adjust it. Go to step 2.

Move the throttle lever by hand to see if the throttle valve and/or shaft are too loose or too tight.

If there is excessive play in the throttle valve shaft, or any binding in the throttle valve at the fully closed or fully opened position, replace the throttle body.

If the throttle valve and shaft are OK, go to step 3.

Connect the HDS to the data link connector (DLC).

Turn the ignition switch ON (II).

Check the throttle position with the HDS. The reading should be about 0 (REL), 0 % (REL) or 0.5 V when the throttle is fully closed and about 80 (REL), 89 % (REL) or 4.5 V when the throttle is fully opened.

If the throttle position is correct, the throttle body is OK.

If the throttle position is not correct, replace the throttle body.


None of this may help you, but it may give you the terms needed to discuss it with a shop!

This is all from '04 if the idle is too high....



Checking the idle speed:

NOTE:

Before checking the idle speed, check these items:

- The malfuction indicator lamp (MIL) has not been reported on.

- Ignition timing

- Spark plugs

- Air cleaner

- PCV system

Pull the parking brake lever up.

Disconnect the evaporative emission (EVAP) canister purge valve connector.

Connect the HDS to the date link connector (DLC) (A) located under the driver's side of the dashboard.

Start the engine. Hold the engine at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.

Check the idle speed without load conditions: headlights, blower fan, radiator fan, and air conditioner off.



Idle speed should be:
A/T
79050 rpm (in Park or neutral)

M/T
75050 rpm (in neutral)


Let the engine idle for 1 minute with the heater fan and air conditioner off.



Idle speed should be:
A/T
79050 rpm (in Park or neutral)

M/T
75050 rpm (in neutral)


NOTE: If the idle speed is not within specification, do the Symptom Troubleshooting.

Reconnect the EVAP canister purge valve connector.
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the latest in a long line of Hondas:

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little '98 Civic sedan, everything still works! Named Mater.
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  #5  
Old 10-28-2004, 04:23 AM
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Holy smokes! Thanks for the info on this. I don't know how it would have reset itself, but I'll check it this weekend.
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  #6  
Old 10-28-2004, 03:44 PM
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It's a machine....they have minds of their own sometimes!
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I kicked cancer's butt! You might be next!!!! :) I survived a fatal heart attack, PRAYERS WORK!

(_l_)(_/_)(_l_)(_\_)(__)(_l_)(_/_)(_l_)(_\_)(__)(_l_) butt dance.

the latest in a long line of Hondas:

Ours: '06 Ridgeline RTL with Nav Steel Blue, rear view & cargo cameras, iVES, hitch, INfinity speakers, running boards, alternate front grille, garnish, roof rack, now with 18" Ridgeline rims

little '98 Civic sedan, everything still works! Named Mater.
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  #7  
Old 10-28-2004, 03:50 PM
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yeah, a machine that darned-near perfect, as long as you take good care of it....
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  #8  
Old 10-28-2004, 04:03 PM
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If you heard some of the arguments I have with the Nav system you might change your mind! Sometimes Tink is just so......

BLONDE!


I KNOW my way home!!! She sometimes wants me to go a really stupid, will get me there, but lame, way home from I5!

Go ahead, ask why the Nav's even on....

go ahead.


really just ask.....





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I kicked cancer's butt! You might be next!!!! :) I survived a fatal heart attack, PRAYERS WORK!

(_l_)(_/_)(_l_)(_\_)(__)(_l_)(_/_)(_l_)(_\_)(__)(_l_) butt dance.

the latest in a long line of Hondas:

Ours: '06 Ridgeline RTL with Nav Steel Blue, rear view & cargo cameras, iVES, hitch, INfinity speakers, running boards, alternate front grille, garnish, roof rack, now with 18" Ridgeline rims

little '98 Civic sedan, everything still works! Named Mater.
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  #9  
Old 10-28-2004, 04:14 PM
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Quote:
Originally posted by princess
If you heard some of the arguments I have with the Nav system you might change your mind! Sometimes Tink is just so......

BLONDE!


I KNOW my way home!!! She sometimes wants me to go a really stupid, will get me there, but lame, way home from I5!

Go ahead, ask why the Nav's even on....

go ahead.


really just ask.....





ok, why IS THE NAV really on?
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  #10  
Old 10-28-2004, 04:23 PM
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My prince feels the need to use it ALL THE TIME!! Even when we're going to & from Disneyland, a trip we've made a bizillion times!!!!

I can understand on the way there, since with traffic we may need to get off the road (in LA) for a pee stop, but on the way home????

So for several miles around Stockton I get to hear "take the next exit" so we can go her way! I think he just love the way it makes me steam!


He thinks he's funny!


For 15 miles of exits before she gives up! That's when we finally pass the point that she thinks her way is better.

He does this EVERYTIME!!!!
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I kicked cancer's butt! You might be next!!!! :) I survived a fatal heart attack, PRAYERS WORK!

(_l_)(_/_)(_l_)(_\_)(__)(_l_)(_/_)(_l_)(_\_)(__)(_l_) butt dance.

the latest in a long line of Hondas:

Ours: '06 Ridgeline RTL with Nav Steel Blue, rear view & cargo cameras, iVES, hitch, INfinity speakers, running boards, alternate front grille, garnish, roof rack, now with 18" Ridgeline rims

little '98 Civic sedan, everything still works! Named Mater.
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  #11  
Old 10-28-2004, 04:28 PM
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darn computers!!! i don't know if i'd like having the nav because of it! although it might make for a good laugh to see what way it thinks i should take to and from work!!
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  #12  
Old 10-28-2004, 04:38 PM
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When I lose at games on the computer I accuse him of putting in a "mean chip"!

I'm not sure why I don't just turn it off......









OK, maybe I'm the blonde!
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I kicked cancer's butt! You might be next!!!! :) I survived a fatal heart attack, PRAYERS WORK!

(_l_)(_/_)(_l_)(_\_)(__)(_l_)(_/_)(_l_)(_\_)(__)(_l_) butt dance.

the latest in a long line of Hondas:

Ours: '06 Ridgeline RTL with Nav Steel Blue, rear view & cargo cameras, iVES, hitch, INfinity speakers, running boards, alternate front grille, garnish, roof rack, now with 18" Ridgeline rims

little '98 Civic sedan, everything still works! Named Mater.
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  #13  
Old 11-07-2004, 07:44 AM
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My wife just experienced an idle speed problem on her '03 Accord. Sometimes idle speed was 1500 rpm when cold. She recently told me that it was once up to 3000 when she pushed in the clutch at a light when she was on her way to our daughter's place!!! There is no Check Light on, but I'll check for codes with my scanner and then try the throttle body and cable items as suggested by Princess. 1500 rpm is not too bad, but 3000 rpm could be a safety issue if it turns out to be a sticking throttle cable. I'll post the results when she gets home.

Thanks again Princess for the tips!!!
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  #14  
Old 11-07-2004, 07:57 AM
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Since this appears to be an problem experienced by more than one I am going to make this a sticky!!

I1
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4 Honda family...

08 EXL V6 W/Nav PMM 4Dr @ 108K miles
My daily driver

08 Pilot EX-L Dark Cherry Pearl @ 46K miles
The Mrs. daily driver

The Kids
07 EXL I4 Moroccan Red Pearl 4Dr @ 80K Acquired 6/13

06 EXL I4 Carbon Bronze Pearl 4Dr @ 91K Acquired 3/13

Gone but not forgotten....
02 EXV6 Naples Gold 4Dr
96 VP I4 Heathermist 4Dr

[
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  #15  
Old 11-08-2004, 04:14 AM
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I've made an appointment at my dealer for this thursday, I'll keep you-uns posted.
Scratch that...had to change it till the 20th...so no news till then.
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