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Subtle Mis-Fire Lee White 12-14-02  
I have a 1994 Chev with a 454 Throttle Body. It has dual fuel, Gas and Propane. It misfires at all ranges and on both fuels. Any Ideas?
Thanks in Advance, Lee.
Re: Subtle Mis-Fire Joe 12-15-02  
How many miles are on it? What if anything has been done to it? Like spark plugs, ignition wires, coil, cap, rotor, pick up, module. When does it misfire, at idle or higher rpm? If it has been run on propane most of it's life, you may want to do a compression test on it first. The engines that run on propane have a tendency to burn valves much more often than ones that run on gasoline. Give a little more information, and see if we can point you in the right direction.
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