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Old 01-19-2012, 11:56 AM   #1
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Bucking pony

My 'stang does this "bucking" but every once in a while and I wonder of it happens to anyone else? It happens in first gear and at slow speeds. Its not a clutch problem but seems more like a fuel problem and it get worse if I don't take it outta gear.
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Old 01-19-2012, 12:07 PM   #2
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Tune up time
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Old 01-19-2012, 12:58 PM   #3
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Re: Bucking pony

could be a miss as well
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Old 01-19-2012, 03:06 PM   #4
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Well the car is on a regular schedule of fresh oil and air filter. Could it be plugs? It's not at 100,000. Yet so I wasnt worried about the plugs.
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Old 01-19-2012, 04:56 PM   #5
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Run some seafoam but i would say spark plugs
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Old 01-19-2012, 09:20 PM   #6
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Quote:
Originally Posted by kickerofdoom
Run some seafoam but i would say spark plugs
For sure and sea foam is awesome stuff!
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Old 01-19-2012, 09:26 PM   #7
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I'd run a tank of 91 octane through it w/ Lucas injector cleaner. If that doesn't solve it tune up time..
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Old 01-20-2012, 10:17 AM   #8
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I usually run this stuff I like better that sea foam. It's called combustion chamber cleaner, you local Dodge/mopar dealer should have it. You warm up your motor, slide off your intake on the throttle body just enough to slide in the the little nozzle( similar to what wd40 has) and spray it in. Some motors stutter so you might have to work the throttle to keep it going but I promise you, you empty the can, let in sit 15 minutes then fire it up and blow the crap out of it, you will totally tell a difference. I'll try that and new plugs.

---------- Post added at 10:17 AM ---------- Previous post was at 10:05 AM ----------

I also sprayed some into my bullet bike which was only a year old at the time and it was way noticeable. The stuff literally foams up and breaks down fuel gum and gunk. It trips your engine light(the o2 sensors) and stinks for at most a week but both go away. Did it to a buddy's Jetta and gave a deeper exhaust growl.
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Old 01-20-2012, 03:57 PM   #9
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I really am opposed to seafoam or similar products. Unless you use them every few thousand miles, all your doing is knocking buildup from where its safe and not in the way to somewhere it can seriously harm an.engine. I've seen several cars get junk trapped under the valve and cause serious damage to the valve, head, and piston. I also wouldn't want that crap in the cylinder either.

OP- sounds to me like plugs / coils oor possibly an intake manifold leak. Tune up time.
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Old 01-20-2012, 04:24 PM   #10
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What about a exhaust manifold leak?

---------- Post added at 04:24 PM ---------- Previous post was at 04:23 PM ----------

I actually try to do a combustion chamber cleaning every oil change
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Old 01-20-2012, 06:53 PM   #11
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Quote:
Originally Posted by Kingmidas87
What about a exhaust manifold leak?

---------- Post added at 04:24 PM ---------- Previous post was at 04:23 PM ----------

I actually try to do a combustion chamber cleaning every oil change
If u use the cleaner every change it should b ok bc the deposits are smaller. probably but on older cars that have never had one I cringe.


Could be an exhaust leak also but I would expect different symptoms. More of a issue at idle than under throttle.
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Old 01-20-2012, 07:13 PM   #12
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Ya well I'll try cleaning her out and throwing new plug in and see if that does it.
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