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Old 02-24-2012, 04:09 AM   #1
stence2028
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Car is Stuttering???

I have a 91 accord.and around last week it started stuttering when i would turn it on.After warming up and running it for a bit it stops doing it.also.the break light would come on and turn off before this happen.now it stays on.could it be the spark plugs or maybe the o2 sensor??
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Old 02-24-2012, 04:23 AM   #2
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heres a vid when im warming up the car.

http://www.youtube.com/watch?v=fhp3q...ature=youtu.be

heres when it starts to wrm up and it idles

http://www.youtube.com/watch?v=5W7Zq...ature=youtu.be

and heres another one when it warms up and it idles with no stutter

http://www.youtube.com/watch?v=ZieRR...ature=youtu.be

all help is greatly appreciated
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Old 02-24-2012, 07:57 PM   #3
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I checked the brake fluid ands fine so im guessing the light isnt cuz it needs fluid
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Old 02-25-2012, 02:09 AM   #4
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can anyone help me please im trying to fix this
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Old 02-25-2012, 03:21 AM   #5
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That exhaust is terrible!!!! Fix asap!!!!

But if your tach is bouncing like that, definitely a vacuum leak or your idle air control valve is broken. Try that and see what happens. As for the brake light, I couldn't say. But alot of shops nowadays do free brake inspections; I personally go to Goodyear they always give it to me straight.
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Old 02-25-2012, 03:42 AM   #6
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ok.how do i go about fixing the vacum leak?
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Old 02-25-2012, 03:45 AM   #7
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Old 02-25-2012, 03:50 AM   #8
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is this to fix the vacum leak??
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Old 02-25-2012, 11:49 AM   #9
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you can try spraying carb cleaner on the vacumn lines to see if it "boggs down" ... or visually inspect to see if any are off or dry rotted
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Old 02-25-2012, 05:45 PM   #10
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Quote:
Originally Posted by stence2028 View Post
I have a 91 accord.and around last week it started stuttering when i would turn it on.After warming up and running it for a bit it stops doing it.also.the break light would come on and turn off before this happen.now it stays on.could it be the spark plugs or maybe the o2 sensor??
clean the iacv, there is a DIY sticky look at that.
look for vacuum leaks
also look at your fitv - another DIY sticky
basically just go to this thread
http://www.cb7tuner.com/vbb/showthre...t=erratic+idle
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Old 02-25-2012, 08:54 PM   #11
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A stutter:

Can be caused by - A faulty o2 sensor, check to make sure it's working.

Spark plug wires arcing out.

Spark plugs are to cold causing fouling, run a hotter plug with a smaller gap, I preffer .017-.026 depending on upgrades.

A faulty injector not pulsing.

a iacv will cause more of a hesitation and idle surge.

coolant in the combustion chamber, the same goes for oil, yet your plugs will tell you if thats happening.

Water in your gas.

A dirty fuel filter
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Old 02-25-2012, 11:41 PM   #12
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Quote:
Originally Posted by KeeleDesign View Post
A stutter:

Can be caused by - A faulty o2 sensor, check to make sure it's working.

Spark plug wires arcing out.

Spark plugs are to cold causing fouling, run a hotter plug with a smaller gap, I preffer .017-.026 depending on upgrades.

A faulty injector not pulsing.

a iacv will cause more of a hesitation and idle surge.

coolant in the combustion chamber, the same goes for oil, yet your plugs will tell you if thats happening.

Water in your gas.

A dirty fuel filter
Thanx alot.i will check every options.
and thanx keeledesign for giving me a check list
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Old 02-26-2012, 05:45 PM   #13
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Question

The 2nd and the 3rd videos, are those when you put your foot on the pedal to keep it from shutting off or is that how your car is without the foot on the pedal?
Check the sticky throttle and cable.
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