91 gsx starting and idle issue - TriStateTuners.com :: Home of Tristate Auto Enthusiast

jrdellecker21 · 07-03-2011, 09:24 PM

ok so i got my 91 gsx started today for the first time in 7 years. I put new 93 in it, changed the fuel filters, oil. At first start up it ran really good for a few mins then it started to break up and stall. Go to start it again and it doesnt want to idle the only way it will stay running is if im on the gas and it breaks up threw out rpms. I did notice the cas was missing a bolt and the other was loose i got a bolt and tightened it up but still wont run. Any ideas im waiting to get my datalogger and timing light to reset the timing another thing a notice was a whining noice coming from the intake mani any idea what it could be pls help

bl@ckvr4 · 07-04-2011, 03:00 AM

Might be a vacuum leak. If it sat for 7 years, I'd bet on a hose or two succumbing to dryrot. Try a pressure test.

jpalamar · 07-04-2011, 01:50 PM

Quote:

Originally Posted by bl@ckvr4

Might be a vacuum leak. If it sat for 7 years, I'd bet on a hose or two succumbing to dryrot. Try a pressure test.

This. Also check anything else rubber, intake, ect.

jrdellecker21 · 07-04-2011, 05:16 PM

i just dont understand what the whining noise is bc it does it when the cars not started.

BlkWhtTSI · 07-05-2011, 06:26 PM

How full was the tank when you parked the car? Did you put a fuel stabilizer in? (Such as sta-bil) in it or remove the old gas before start up?

stover · 07-05-2011, 06:30 PM

Quote:

Originally Posted by jrdellecker21

i just dont understand what the whining noise is bc it does it when the cars not started.

in the engine bay or just the car itself, maybe fuel pump

jrdellecker21 · 07-05-2011, 08:26 PM

it sounds like its coming from the intake manifold

07-03-2011, 09:24 PM	#1
jrdellecker21 Tri-State Aficionado Join Date: Jun 2007 Location: allentown Member #5191 My Ride: 2014 Focus ST iTrader: (0)	91 gsx starting and idle issue ok so i got my 91 gsx started today for the first time in 7 years. I put new 93 in it, changed the fuel filters, oil. At first start up it ran really good for a few mins then it started to break up and stall. Go to start it again and it doesnt want to idle the only way it will stay running is if im on the gas and it breaks up threw out rpms. I did notice the cas was missing a bolt and the other was loose i got a bolt and tightened it up but still wont run. Any ideas im waiting to get my datalogger and timing light to reset the timing another thing a notice was a whining noice coming from the intake mani any idea what it could be pls help

07-04-2011, 03:00 AM	#2
bl@ckvr4 Tri-State Post Whore Join Date: Apr 2007 Member #4236 My Ride: 1992 mitsubishi VR4 iTrader: (1)	Might be a vacuum leak. If it sat for 7 years, I'd bet on a hose or two succumbing to dryrot. Try a pressure test. __________________ 1992 Mitsubishi 3000GT VR-4 =:The ecstasy lasts as long as the gasoline:= 1993 Mitsubishi 3000GT VR-4 =:Yes. Another one.:= 1997 Mitsubishi Eclipse RS =:Danger to manifold!:= 1991 Mitsubishi Galant VR-4 =:No, it's not for sale.:=

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07-04-2011, 05:16 PM	#4
jrdellecker21 Tri-State Aficionado Join Date: Jun 2007 Location: allentown Member #5191 My Ride: 2014 Focus ST iTrader: (0)	i just dont understand what the whining noise is bc it does it when the cars not started.

07-05-2011, 08:26 PM	#7
jrdellecker21 Tri-State Aficionado Join Date: Jun 2007 Location: allentown Member #5191 My Ride: 2014 Focus ST iTrader: (0)	it sounds like its coming from the intake manifold