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Grand Prix 3.1 question

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Old 07-22-2004, 05:34 PM
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Default Grand Prix 3.1 question

Earlier today i went out with my mom and test drove a 1995 Grand Prix SE with the 3100 3.1 litre v6. When i gave it some gas it barely did anything. I had to darn near put the pedal all the way to the floor for somewhat of a reaction. It was low on gas so maybe that was it? My mom'* mini-van had more pick-up than this thing. I was wondering if this is what all Grand Prix'* with the 3100 v6 are like or if it was just because the one i test drove was low on gas or in need of some type of tune- up. I know that this is a BONNEVILLE forum but bonnevilles and grand prix'* are both pontiacs so i was just wondering. Thanks.
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Old 07-22-2004, 07:16 PM
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maybe a tune up, bad gas, many symptoms it could have been. how did it sound> Did you see any check gauge lights?
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Old 07-22-2004, 08:27 PM
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Well, i dont know though. Im not quite sure what grand prixs should sound like, it didnt make any knocks or pings and didnt sound like it needed a tune-up (dont quote me on this...im not a grand prix mechanic) and i didnt notice any check engine lights coming on. Too bad they didnt put 3800s in grand prixs till '97..... bastards
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Old 07-22-2004, 08:54 PM
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My GP will spinn um and go...goes just fine!

Sounds like it has some issues?
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Old 07-22-2004, 10:19 PM
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the 3100 powered cars I have ridden in respond like that too. Lumina'* and such..
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Old 07-22-2004, 10:47 PM
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That'* a 3.1, not a 3100. Last one I drove seemed like that too. Nothing till you floored it, Then it wasn't what i was expecting either.
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Old 07-22-2004, 11:42 PM
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nope, all '94+ Grand Prix'* with a 3.1L V6 are 3100 SFI, not the 3.1L MPFI.
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Old 07-22-2004, 11:45 PM
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Originally Posted by givemebreak

Sounds like it has some issues?
i would agree...while the 3100 is by no means a performance engine, they have good low end torque and 160hp. btw, they are much quicker and more fun with a Getrag 5-speed :P
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Old 07-23-2004, 01:59 AM
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I thought the 3.1'* just had the multi port fuel injection cover and the 3.1 3100'* had the 3100 SFI thing on it. all in all, they are 3.1'*
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Old 07-23-2004, 09:39 AM
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So im still not quite sure.... if i give it some gas should it get moving a little faster? I mean i had to put the pedal down to the floor and even then not much. My mom'* mini-van would have kicked this grand prix'* butt in a drag..... i was REALLY dissappointed.
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