Any Ideas (Help)

Kearb · May 11th, 2011, 11:06 AM

98 gt. Its running like shit. Ran the codes on it. Said vaccum leak dirty mas sensor. I replace the mas, changed vaccum hoses, used carb cleaner to check for leaks on hoses and around intake. It idles normal at 1grand, then drops to .05 grand likes its going to die then idles back up and levels out. does this during stop and go driving. While driving at speed I have a very strong gas smell in the passenger compartment. It seems like it surges also. Any Ideas what the problem is? I am thinking Injectors. I have changed and checkeck just about everything else.

97S281 · May 11th, 2011, 03:07 PM

clogged cats?

Silvestris · May 12th, 2011, 02:33 PM

Originally Posted by 97S281

clogged cats?

I was about to say the same thing

Kearb · May 17th, 2011, 12:51 PM

No cats after market exhaust

97S281 · May 17th, 2011, 04:00 PM

Did you install MILS to fix the rear 02 sensors?

Kearb · May 18th, 2011, 10:49 AM

Thats what it was. Bad O2. Got it replaced. Thanks for the help

97S281 · May 18th, 2011, 12:45 PM

Glad you got it figured out. Don't be a stranger.

May 11th, 2011, 11:06 AM	#1
Kearb Regular 2003 Mustang Gt Join Date: Feb 2010 Location: Doniphan, Mo Posts: 173 Blog Entries: 8 iTrader: 0 reviews	Any Ideas (Help) 98 gt. Its running like shit. Ran the codes on it. Said vaccum leak dirty mas sensor. I replace the mas, changed vaccum hoses, used carb cleaner to check for leaks on hoses and around intake. It idles normal at 1grand, then drops to .05 grand likes its going to die then idles back up and levels out. does this during stop and go driving. While driving at speed I have a very strong gas smell in the passenger compartment. It seems like it surges also. Any Ideas what the problem is? I am thinking Injectors. I have changed and checkeck just about everything else. __________________ Redfire 03 GT Pro 5.0 Short Throw Fidanza Flywheel Centerforce Dual Friction Clutch BBK CAI Superchip Programer

May 11th, 2011, 03:07 PM	#2
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	clogged cats? __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

May 17th, 2011, 12:51 PM	#4
Kearb Regular 2003 Mustang Gt Join Date: Feb 2010 Location: Doniphan, Mo Posts: 173 Blog Entries: 8 iTrader: 0 reviews	No cats after market exhaust __________________ Redfire 03 GT Pro 5.0 Short Throw Fidanza Flywheel Centerforce Dual Friction Clutch BBK CAI Superchip Programer

May 17th, 2011, 04:00 PM	#5
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	Did you install MILS to fix the rear 02 sensors? __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

May 18th, 2011, 10:49 AM	#6
Kearb Regular 2003 Mustang Gt Join Date: Feb 2010 Location: Doniphan, Mo Posts: 173 Blog Entries: 8 iTrader: 0 reviews	Thats what it was. Bad O2. Got it replaced. Thanks for the help __________________ Redfire 03 GT Pro 5.0 Short Throw Fidanza Flywheel Centerforce Dual Friction Clutch BBK CAI Superchip Programer

May 18th, 2011, 12:45 PM	#7
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	Glad you got it figured out. Don't be a stranger. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

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