I have an 89 bronco 2 that has hesitation issues.
i have replaced fuel pump, filter, fuel regulator, plugs, cap and wires. blew out the fuel lines, cleaned out the fuel rail, dropped tank and drained cleaned and refilled, cleaned out injectors, replaced air cleaner, and cleaned out the plenum. I have reset the timing to 10* BTDC as specified on the tag in hood compartment. Still when driving it keeps hesitating. I have run out of ideas in my non-mechanical mind.
5 speed or Auto? Does the check engine light work? Is it on? http://www.therangerstation.com/tech_library/OBD_I.html
check the map sensor first,then check the tps sensor
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