V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

runs good then runs like crap

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Old Oct 15, 2007 | 08:22 AM
  #1  
xsupermann69x's Avatar
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From: Wilmington, NC
Car: 1991 Chevy Camaro RS
Engine: V6 3.1L
Transmission: automatic
runs good then runs like crap

Alright so some days my car runs like a champ it fires up no prob but then some days its like ldfhjsfhjsdfjkfjksfjsdfjkfsfhjsdfks then fires up. its weird what could cause it to do this. and when it takes forever to fire up it doesnt run good. like doesnt get up and go like it usually does. its completly stock.
any ideas what the problem is because it gets frustrating when it doesnt start right away.

thanks
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Old Oct 15, 2007 | 09:38 AM
  #2  
noahTHEpurdy's Avatar
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From: Pittsburgh, PA
Car: 1992 Pontiac Firebird
Engine: 3.1
Transmission: 700R4
Axle/Gears: 3.42 Auburn Posi
Re: runs good then runs like crap

Could you elaborate a bit more as to what "ldfhjsfhjsdfjkfjksfjsdfjkfsfhjsdfks" means?
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Old Oct 15, 2007 | 07:50 PM
  #3  
xsupermann69x's Avatar
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From: Wilmington, NC
Car: 1991 Chevy Camaro RS
Engine: V6 3.1L
Transmission: automatic
Re: runs good then runs like crap

Originally Posted by noahTHEpurdy
Could you elaborate a bit more as to what "ldfhjsfhjsdfjkfjksfjsdfjkfsfhjsdfks" means?

that means that it will crank and crank and crank and then fire up.
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Old Oct 15, 2007 | 07:52 PM
  #4  
stevo the torpe's Avatar
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Joined: Aug 2007
Posts: 206
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From: maryland
Car: 91 maro
Engine: 350
Transmission: 700r4
Axle/Gears: 373 locker
Re: runs good then runs like crap

my girls car does this cause is high milage no idn neither havent looked into it yet it starts and runs tho all that matters
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Old Oct 16, 2007 | 11:31 AM
  #5  
ncarrier's Avatar
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Joined: Jan 2007
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From: Walkertown, N.C.
Car: 1989 Camaro
Engine: 2.8 V6
Re: runs good then runs like crap

you might try lookng at the distribtor. the whole thing. mine was doing something silmular and i relaced the plugs,wires, ignition mod. an finally i had to change the stator and found out my distributor was cracked on th inside. also it could be a fuel filter prob. but check out your distributor parts first.
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Old Oct 16, 2007 | 01:34 PM
  #6  
Gumby's Avatar
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Joined: Oct 2001
Posts: 8,113
Likes: 6
From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Re: runs good then runs like crap

turn it off then back on real quick when it does that run crap stuff.

Also sounds liek the FP relay isn't working all the time so the FP doesn't prime until you reach 7psi of oil.

Mine is similar but I never fixed on purpose. I like that it will not start until it builds oil PSI.
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Old Oct 16, 2007 | 02:37 PM
  #7  
Kevman's Avatar
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Joined: Jul 2006
Posts: 1,674
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From: Windsor Ontario
Car: 1987 Firebird Formula
Engine: 2004 LQ4
Transmission: T-5 WC
Axle/Gears: 3.42
Re: runs good then runs like crap

Mine does it every other time, after I've driven it a lot. Like, 50 - 100km. I should check the whole distributor though, sounds like a good idea.
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