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#1 |
Join Date: May 2005
Location: SPOKANE, WA
Posts: 3
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My 94 mis-fires at start up. When warm the problem goes away. I do have a 02 sensor code. However, the system is open loop when the motor is cold. Thus I do not belive that this is the problem. Also, at start up, its running a little rich. I was thinking that leaky injectors could be the problem, but, the same problem exists if I park the car for a week. I'am thinking that this is ample time for the fuel to evaporate from the cylinder. Therfore, I do not believe that a leaky injector is the problem. Any ideas?
Thanks Jeff
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1994 LT5 TORCH RED \ BLACK |
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#2 | |
![]() Join Date: Dec 2003
Location: S. Florida
Posts: 2,667
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I'm not sure what is going on exactly, but on the injector front, don't assume that all injectors leak the same way. For lack of a better way of putting it, they can just leak a little, to filling up the cylinder with fuel which is what recently happened to me. ![]() |
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#3 | |
![]() Join Date: Jan 2004
Location: Alex VA
Posts: 1,087
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95 390 LPE ZR1 (505 rwhp) LSV = Lingenfelter Super Vette Twin Turbo 2003 Z06 (800 RWHP) |
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#4 |
Join Date: May 2005
Location: SPOKANE, WA
Posts: 3
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REPLACED COILS, AND PLUGS AND PLUG WIRES ARE IN GOOD SHAPE.
ANY OTHER IDEAS?
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1994 LT5 TORCH RED \ BLACK |
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#5 |
![]() Join Date: Dec 2003
Location: S. Florida
Posts: 2,667
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Describe the mis-fires at start up for us. Would you describe it as a backfire possibly?
This probably is not the only issue if a problem at all, but have you checked the map sensor hose to make sure it has not blown off? |
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#6 |
Join Date: May 2005
Location: SPOKANE, WA
Posts: 3
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The map was the first thing that I checked. I was wondering if a temp. sensor could cause these problems at start up. Has anyone experienced any problems with a faulty temp sensor?
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1994 LT5 TORCH RED \ BLACK |
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