86 bronco 2 running rich | Ford Explorer - Ford Ranger Forums - Serious Explorations

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86 bronco 2 running rich

2quick2draw

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Joined
November 12, 2013
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Year, Model & Trim Level
86 ford bronco 2
i have an 86 bronco 2. when its cold it will start and run till it warms up then it quits. starts when u floor the gas pedal and crank the engine. like when the engine is flooded. pulled the plugs and they are black. changed the fuel pump, fuel filter,fuel regulator, plugs, cap and rotor, and wires. this thing has been sitting for about 1 year due to a bad fuel pump. fuel pressure is 55psi with the key on. Any body have any ideas of what to check next.
 
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4x4junkie

Explorer Addict
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March 28, 2002
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City, State
So.Calif.(San Fernando Valley)
Year, Model & Trim Level
'94 Ranger, '90 Bronco II
A bad TFI ignition module is known to cause symptoms when the engine warms up (mounted on the side of the distributor). They tend to fail if they get too hot.
 
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