Ford bronco 2 1987 2.9l 4wd


Asked by Feb 19, 2016 at 02:09 AM about the 1987 Ford Bronco Eddie Bauer 4WD

Question type: Maintenance & Repair

Answer to the 1987ford bronco 2  curse if U know . thanks.  This all started
about 8 months.  175,000 miles.  Engine dia. Test said it was a bad MAP
sensor which was replaced but still runs bad changed the dist with all new
wires and plugs, new O2, new fuel filter,  new pcv valve.  Really need help.  

2 Answers


Running bad doesn't give one much to go on, and it being a Ford OBD 1 makes it worse, the only thing I can think of is find a shop that has a Ford OBD 1 breakout box and know how to use it, that way a tech can test each individual circuit and sensors right at the ECM connector, it is possible that there is a sensor that is out of specs but is working so the computer thinks it's readings are accurate. I assume that you have already done the most common failures like sensor and engine grounds and the infamous fuel pressure regulator.


Thank U

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