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

 

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Chris McV., Gresham, OR, May 10, 2014, 08:08
 Rookie

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

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    pushrod May 10, 2014, 08:36
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     Master

    Exhaust restriction maybe? Any rattling noise from under the truck when running?? Possible broken catalist in converter.

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    Chris McV., May 10, 2014, 09:12
     Rookie

    Not so much a ratel as an exhaust leak. It's between the headers and the cat.

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    pushrod, May 10, 2014, 11:06
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     Master

    Rubber hammer...tap cat...listen for rattle.

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    ziptie12, May 10, 2014, 19:26
     Master

    Maybe plugged cat caused the exhaust leak?

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