I noticed that I sometimes have some bogging off the line when I floor it or give it gas real quick. Engine kinda dies real quick and then picks up again and goes. Could this be because of my fuel pressure as well? I checked for codes and got nothing. Replaced the O2 sensor awhile back as well and everything looks in order. Just curious on what may cause this. Sometimes it happens and sometimes it doesn't. Mostly happens when it is really hot out. Thanks.

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html

 

Could be tired injectors or bad gas. Also tired ignition components could do it. Maybe it's time for a tune up?

 

I have done the tune up thing. Fuel Filter,cap/rotor,plugs,wires, etc. Maybe it is bad injectors.

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html

 

Ive got the same problem. Getting it looked at possibly tomorrow by a REAL mechanic.

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1992 Pontiac Firebird
- 5.0L V8 TBI
- Automatic Trans

 

hey jack let us know what the mechanic tells you

 

it was my oxygen sensor, sorry i didnt return to this post

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1992 Pontiac Firebird (stock)
- 5.0L V8 TBI / Automatic Trans / Every option, excluding leather
- Killer car audio system:

• Aiwa CDC-MP3 head unit
• Rockford Fosgate 360a2 amp
• pair of 12" MTX Thunder 5000s in a custom box
• Pioneer 3-way 6x9s, soon to add more more more!

 

I replaced mine and it still kinda does it off and on. Nothing changed. Someone told me that I need a heated O2 sensor. Something about my exaust flowing so fast that the O2 sensor doesn't have time to heat up or something to that nature.

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html