WHAT CAUSES THIS VEHICLE TO RUN ON 2 CYLINDERS?

1991 Mazda b2600

Tiny

Darius Irwin

March, 30, 2012 AT 11:19 PM

I am trying to repair this truck for a friend, and I cannot find what is causing it to run on 2 cylinders. The person he bought it from had been working with the computer and bought a replacement, but I don't think that it is the problem. Any help would be great.
Thanks,
Darius Irwin

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Engine Miss

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3 Answers

Tiny

rasmataz

March, 30, 2012 AT 11:24 PM

Check if all the injectors are pulsing-

Tiny

Darius Irwin

March, 30, 2012 AT 11:35 PM

So, if the truck starts running OK, which it did on me today when moving it from the shop, after running rough, is it the injectors? Should I be looking elsewhere, if this continues, or just replace the injectors?

Tiny

rasmataz

March, 30, 2012 AT 11:49 PM

This what you do-check the fuel pressure if its within specs if okay-get a noid light or rent it out from the parts store and check the injectors harness if its pulsing

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