Searched for: The truck starts fine and idles, but when I give it throttle it does not speed up. It wants to die , it backfires or pops back up through the intake and barely runs. Return throttle back to idle and it runs good. I've put in a new distributer, tried two other throttle positioning sensor and a mass flow sensor, new spark plugs, fuel filter and fuel pump. What's next?!


Asked by Jun 14, 2014 at 09:33 PM about the 1993 Mazda B-Series Pickup 2 Dr B2600i 4WD Extended Cab SB

Question type: Maintenance & Repair

3 Answers


Plug wires on correctly? Have you checked the timing? How long since timing chain has been replaced?


Plug wires are right. Put new dist.on set timeiing then . Donot know if timing chain been changed.


ignition module by the coil. shoiuld have 12v to the red wire and 0 on the black . ONly way i know how to test them is to change it with a working one

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