V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

engine problem

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Old Jun 27, 2009 | 09:17 PM
  #1  
my94pony's Avatar
my94pony
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this is with my 96 cobra but im getting no reponses in the svt section so if someone here could help me i would greatly appreciate it

When my car is in gear it feels like the car is stuttering. I've changed the oil, fuel filter, and spark plugs. It was feeling better after I did this but now it's as bad as it was when it started. This all happen after running seafoam through the car. Any ideas?






When I ran the seafoam I put a third (of the bottle) in the oil, third in the gas tank and a third in the vacuum line. I drove around with about a third tank of gas for a little bit after this before filling up. I'm not sure if this has anything to do with it.
Old Jun 28, 2009 | 02:48 AM
  #2  
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JKs95stang
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You didn't have enough gas in your tank, you should of went to the gas pump, put in the seafoam at the station, then top off and calculate roughly 10 gallons I think it is, been awhile. Did you run it for at least 10 miles, did you follow instructions to the T? More details would help.
Old Jun 28, 2009 | 03:38 AM
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You may have fouled out your plugs or your O2's. You're supposed to change plugs after seafoaming the intake anyway.
Old Jun 28, 2009 | 10:57 AM
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my94pony
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i changed the plugs, im going to change the o2 sensors but i dont think this feeling has anything to do with that, im thinking clutch
Old Jun 28, 2009 | 11:04 AM
  #5  
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RyansQuick6
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Stuttering wouldn't be clutch, chattering would. You got a fuel or emissions issue most likely, unless it's a spark issue or a bad ground.
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