Engine Stuttering

Dallas01GT · August 1st, 2007, 11:19 PM

OK this one is kinda weird. No matter what gear I am in around 2k RPMs to 2400 the car stutters just seems the engine hesitates and you can feel the stuttering . Once out of that range it runs fine. Any ideas? I haven't changed anything nor done anything different. Just seems to of came on all of a sudden.

Oh LOL forgot, its an 03 Cobra, JLT CAI, BBK LT's, BBK X pipes and Magnaflow Catback. Has a pulley just not sure which one.

weems · August 1st, 2007, 11:38 PM

maybe a bad harmonic balancer?

Garhfer · August 2nd, 2007, 01:34 AM

Does it do it when you floor it or just anytime you drive it.

Timm10221 · August 2nd, 2007, 07:24 AM

My 5.0 did that but it turned out to be the O2's?? might not be it but i will throw it out there lol.
Tim

Dallas01GT · August 2nd, 2007, 07:33 AM

only seems to do it when I floor it

Timm10221 · August 2nd, 2007, 07:44 AM

hummmm. weird... TPS?? I am kinda stumped

OhhShorty · August 2nd, 2007, 09:53 AM

check your intake to make sure it's clean, also check ur plugs as well.. i kno when i was back in Oki i had that problem wit my Skyline

neckbonekat · August 2nd, 2007, 12:30 PM

Originally Posted by OhhShorty

check your intake to make sure it's clean, also check ur plugs as well.. i kno when i was back in Oki i had that problem wit my Skyline

Dude you have a Skyline? Sweet! I love those cars!

I'd run some seafoam through it and see what happens. It can't possibly hurt.

Garhfer · August 2nd, 2007, 01:14 PM

It can be the fuel pump, or clogged cats (if you have any), when's the last time you changed the fuel filter?

OhhShorty · August 2nd, 2007, 04:15 PM

Originally Posted by neckbonekat

Originally Posted by OhhShorty

check your intake to make sure it's clean, also check ur plugs as well.. i kno when i was back in Oki i had that problem wit my Skyline

Dude you have a Skyline? Sweet! I love those cars!

I'd run some seafoam through it and see what happens. It can't possibly hurt.

no i had a skyline.. that wuz back in Oki.. had to leave it thurr.. cost to much to bring it back..

Dallas01GT · August 2nd, 2007, 09:13 PM

Thanks for all the great replys. Going to get a new Fuel Filter and check the plugs. Then move on from there.

DCstangGT · August 3rd, 2007, 02:27 AM

how difficult is it to change the fuel filter? ive never done that before...

August 1st, 2007, 11:19 PM	#1
Dallas01GT Regular Join Date: Jun 2007 Posts: 70 iTrader: 0 reviews	Engine Stuttering OK this one is kinda weird. No matter what gear I am in around 2k RPMs to 2400 the car stutters just seems the engine hesitates and you can feel the stuttering . Once out of that range it runs fine. Any ideas? I haven't changed anything nor done anything different. Just seems to of came on all of a sudden. Oh LOL forgot, its an 03 Cobra, JLT CAI, BBK LT's, BBK X pipes and Magnaflow Catback. Has a pulley just not sure which one.

August 2nd, 2007, 01:34 AM	#3
Garhfer Hardcore Enthusiast 2004 Mustang GT Conv. Join Date: Mar 2007 Location: Edgewater, FL Posts: 1,793 iTrader: 0 reviews	Does it do it when you floor it or just anytime you drive it. __________________ 2004 GT Boosted by Vortech

August 2nd, 2007, 09:53 AM	#7
OhhShorty Regular 1995 Mustang GT Vert Join Date: May 2007 Location: Jacksonville, NC Posts: 293 iTrader: 0 reviews	check your intake to make sure it's clean, also check ur plugs as well.. i kno when i was back in Oki i had that problem wit my Skyline __________________ "For I have made mistakes, which made me a better man, I will forever believe that you can live with NoRegretz" '95 5.0L Vert www.wotmustang.com MILITARY CREW E-5

August 2nd, 2007, 01:14 PM	#9
Garhfer Hardcore Enthusiast 2004 Mustang GT Conv. Join Date: Mar 2007 Location: Edgewater, FL Posts: 1,793 iTrader: 0 reviews	It can be the fuel pump, or clogged cats (if you have any), when's the last time you changed the fuel filter? __________________ 2004 GT Boosted by Vortech

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August 1st, 2007, 11:38 PM	#2
weems Tech Exchange Head Honcho 2003 SVT Cobra 11.70 @ 121 Join Date: Aug 2006 Location: Forsyth/Statesboro, GA Posts: 9,176 iTrader: 3 reviews	maybe a bad harmonic balancer?

August 2nd, 2007, 07:24 AM	#4
Timm10221 Hardcore Enthusiast 88Notch 10.59 @132 / 03 Mach 1 13.1 @104 Join Date: Jun 2007 Location: Richlands, NC Posts: 1,758 iTrader: 0 reviews	My 5.0 did that but it turned out to be the O2's?? might not be it but i will throw it out there lol. Tim

August 2nd, 2007, 07:33 AM	#5
Dallas01GT Regular Join Date: Jun 2007 Posts: 70 iTrader: 0 reviews	only seems to do it when I floor it

August 2nd, 2007, 09:13 PM	#11
Dallas01GT Regular Join Date: Jun 2007 Posts: 70 iTrader: 0 reviews	Thanks for all the great replys. Going to get a new Fuel Filter and check the plugs. Then move on from there.

August 3rd, 2007, 02:27 AM	#12
DCstangGT Regular 1999 Mustang GT 13.21@104.5 Join Date: Aug 2006 Location: Washington Posts: 237 iTrader: 0 reviews	how difficult is it to change the fuel filter? ive never done that before...

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