Mechanics

INTERMITTENLY DIES

1990 Mazda b2200

Engine Performance problem
1990 Mazda b2200 4 cyl Two Wheel Drive Manual 180000 miles

car runs fine for almost a few weeks then while driving dies. Checked charging/starting system, checked fuel system and checked spark everything checks out ok while problem is occuring. Car wont start just cranks over and when it does start runs realy rough and will not accelerate and black smoke comes out of exhaust. Was thinking IAC, MAF or crank shaft position sensor. Only thing is problem does not occur long enough to check. Usauly goes away after a few hours or next day.
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Mr.eric
June 9, 2010.



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