Question about 1996 Ford Bronco

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1996 ford full size bronco,5.8 v-8. Replaced fuel pump,filter,cap,rotor,wires and it is still hard to start hot or cold and sometimes will not start at all and can smell fuel vapors.

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Check the spark with an inductive timing light, and check the fuel system by trying some starting fluid.
Try a smaller spark plug gap, like .028".
Need to check the sensors, like temperature, throttle position, O2, cam position, knock, etc.
Check for operation of purge, PVC, and EGR valves, that can effect mixture and make starting hard.

Posted on Sep 05, 2010

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Look for holes in the air intake tubes to the air filter, the idle air control valve is also suspect

Posted on Sep 05, 2010

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Posted on Jan 02, 2017

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The choke on your vehicle is a computer controled fuel system. It is usually a fuel pump but sometimes a Distributor cap and rotor problem. I would first check the distributor cap and rotor. Look for white corrosion in the cap and in the bottom of the distributor. If you see the corrosion in the bottom of the distributor clean it out with brake cleaner.The Coil wire some times fails causing a hard start situation. I suggest checking these things before doing any thing with the fuel pump. I would also replace the fuel filter and spark plugs if you do end up replacing the cap and rotor.

I hope this helps.

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