Running Rich
Senior Member
Joined: Oct 1999
Posts: 6,621
Likes: 2
Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
You have a stock engine? Stock injectors? Stock fuel pressure (didn't mess with anything). What do you have? What have you done? Then we can help you.
As for running rich, it could be because a sensor isn't working properly, but you would get an SES light if that were the case. Maybe try looking at your fuel spray pattern (worn out injectors if HIGH miles).
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, Jon (350 TBI!)
91 Red My website
As for running rich, it could be because a sensor isn't working properly, but you would get an SES light if that were the case. Maybe try looking at your fuel spray pattern (worn out injectors if HIGH miles).
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, Jon (350 TBI!)
91 Red My website
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Joined: Jun 2001
Posts: 130
Likes: 0
From: Tyler, Texas
When Black smoke started every thing was stock but 14X3 open air cleaner and flowmaster exhaust. Put on MSD 6AL and GM blaster coil, made fpr adjustable and new IAC valve, dis cap and rotor and cleaned TB and it still runs rich? I watched the injectors when the fuels pump energized and they are not leaking. It seems to happen more often when you turn the car off then try to start it immediately again, but when you start it after it has sat for a little bit its ok but when you start it up right after you turn it off it chugs and blows out black smoke.
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