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car sputters and shuts off

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Old 11-03-2005 | 01:25 PM
  #1  
Driveshaft's Avatar
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Joined: Mar 2004
Posts: 25
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From: N.E. Philly Pa
Car: 89 formula
Engine: 305 tbi
Transmission: 700R4
car sputters and shuts off

89 firebird 305 tbi

at a certain throttle position the car sputters and shuts off. it feels like the injectors are not getting electricity
I have replaced the tps twice in 5 months, I am almost positive this is not the problem
if I bury the throttle or let off the problem goes away- ----

any other places to look or suggestions on what to do
Old 11-03-2005 | 08:19 PM
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Air_Adam's Avatar
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Joined: Oct 2002
Posts: 9,067
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Try some fuel system cleaner, and replace the fuel filter.
Old 11-05-2005 | 01:34 PM
  #3  
Driveshaft's Avatar
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Junior Member
 
Joined: Mar 2004
Posts: 25
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From: N.E. Philly Pa
Car: 89 formula
Engine: 305 tbi
Transmission: 700R4
Originally posted by Air_Adam
Try some fuel system cleaner, and replace the fuel filter.
its about time to change filter - but sure its electrical
thanks

anymore ideas
Old 11-05-2005 | 04:32 PM
  #4  
Air_Adam's Avatar
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Joined: Oct 2002
Posts: 9,067
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Sounds to me like dieseling... which usually means either your running lean (why I suggested the fuel system cleaner and filter) or it means your timing is too high.

Whats your idle speed?
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