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  #1  
Old 03-11-2009, 08:11 PM
2fast4ueclipse 2fast4ueclipse is offline
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Excess fuel

I have a 95 eclipse with a stock motor, cold air intake, and a cat back exhaust. The problem i am having is their is raw fuel coming out my exhaust at an idle, and when you rev the motor it really dumps it out. Any suggestions on what could be causing this would be appreciated.
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Old 03-13-2009, 03:50 PM
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SilvrEclipse SilvrEclipse is offline
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Re: Excess fuel

Welcome to AF

What motor is in the car? Is it turbo? Do you have a CEL. I would be checking the fuel pressure and front o2 sensor first.
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98 Eclipse GS Turbo
Megasquirt 2 - Holset HY35 Turbo - Built motor - P&P Head and Intake - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - Aeromotive AFPR - 650cc Injectors - Fidanza Flywheel - Zoom clutch - 13" Cobra Front Brakes - AEM WB - Devilsown meth injection - 3.55 Final Drive gear ratio

1981 Chevy Scottsdale
1987 Nissan 300zx - Chump Car
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Old 03-13-2009, 05:47 PM
2fast4ueclipse 2fast4ueclipse is offline
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Re: Excess fuel

It is the 2.0 non turbo, the 420a i believe, it just started doing it the other day and have no clue why. If it is a fuel pressure problem what psi should it be at. How would i check the front o2 sensor.
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Old 03-13-2009, 06:47 PM
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Re: Excess fuel

Fuel pressure should be around 45psi. There is a test port on the end of the fuel rail where you can test it at. If the front o2 sensor is bad you will get a check engine light.
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98 Eclipse GS Turbo
Megasquirt 2 - Holset HY35 Turbo - Built motor - P&P Head and Intake - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - Aeromotive AFPR - 650cc Injectors - Fidanza Flywheel - Zoom clutch - 13" Cobra Front Brakes - AEM WB - Devilsown meth injection - 3.55 Final Drive gear ratio

1981 Chevy Scottsdale
1987 Nissan 300zx - Chump Car
2001 BMW 325i - DD
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