Why have I lost so much H.P. on low RPMs? almost wants to die when starting off. on 1994 Mazda B3000

I have just replaced Rotor, cap, plug wires, & plugs. Helped a little, but not enough.

by in Gresham, OR on May 10, 2014
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1 answer 3 comments
ANSWER by , May 10, 2014
Exhaust restriction maybe? Any rattling noise from under the truck when running?? Possible broken catalist in converter.
COMMENT by , May 10, 2014
Not so much a ratel as an exhaust leak. It's between the headers and the cat.
COMMENT by , May 10, 2014
Rubber hammer...tap cat...listen for rattle.
COMMENT by , May 10, 2014
Maybe plugged cat caused the exhaust leak?