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

engine bog...

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Old Jun 7, 2007 | 08:58 PM
  #1  
AdmAnt13's Avatar
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From: North Jersey
Car: 1990 Pontiac Firebird
Engine: 3.1 V6 soon to be gone
Transmission: 700r4 Automatic soon to be a T56
engine bog...

After a ton of searching, Ive come up with some solutions to my problem but want to hear your guys input first.

Basically once the engine is warmed up, it bog downs when you hit the throttle say at 30-40 mph. It will recover with more throttle or finally pick up around 4000rpms. From a stop it bogs down even more. I replaced my air filter and it helped...a little..but not much.

I just put headers on and on my way home, I ran out of gas (yeah i know...stupid..but hey it was my first time). The problem started a week after this.

So here is what I came up with. Most likely my fuel filter is bad. I've heard that if your EGR is bad this could happen too. My only other idea is that maybe the headers being so hot are affecting my stock spark plug wires? Maybe spark isn't as hot as it should be? I don't think it would affect them that fast but you guys would know better. They aren't touching at all though.

Anyways, let me know what you think so I can have my car back running the way it should.
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Old Jun 12, 2007 | 01:00 AM
  #2  
rover420's Avatar
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From: amherstburg (windsor) Ontario Canada
Car: 88 camaro
Engine: 3.4
Transmission: t-5
Axle/Gears: limited slip posi 3.42
Re: engine bog...

u might just have to time it better make sure u pull out ur est connector b4 timing it and erase the code then plug it back in if u already did that i'd suggest maybe a little tuneup on it.
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Old Jun 12, 2007 | 11:45 AM
  #3  
DaSkinnyGuy's Avatar
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From: unknown
Car: 1992 Firebird
Engine: 3.1L
Transmission: Auto
Axle/Gears: 3:23
Re: engine bog...

When I put the headers on my car i didnt have that problem. and still havent must not be the headers.
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Old Jun 12, 2007 | 01:01 PM
  #4  
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From: Upstate, Ny
Re: engine bog...

did you check your feul pressure. maybe it is a bad fuel filter, but i have headers on mine and never had that problem. also check your timming.
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Old Jun 12, 2007 | 03:30 PM
  #5  
AdmAnt13's Avatar
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From: North Jersey
Car: 1990 Pontiac Firebird
Engine: 3.1 V6 soon to be gone
Transmission: 700r4 Automatic soon to be a T56
Re: engine bog...

Originally Posted by pairtoe87
did you check your feul pressure. maybe it is a bad fuel filter, but i have headers on mine and never had that problem. also check your timming.

Have a new fuel filter, and it helped..but didn't solve the problem. I'm gonna check the MAP, EGR, and timing sounds like it could be the problem as well.

thanks guys.
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Old Jun 12, 2007 | 03:49 PM
  #6  
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From: Upstate, Ny
Re: engine bog...

Originally Posted by pairtoe87
but i have headers on mine and never had that problem
wow spoke way to soon on that one. just took it for its "real" first test run.
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Old Jun 12, 2007 | 04:00 PM
  #7  
AdmAnt13's Avatar
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From: North Jersey
Car: 1990 Pontiac Firebird
Engine: 3.1 V6 soon to be gone
Transmission: 700r4 Automatic soon to be a T56
Re: engine bog...

any problems?
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