Have you checked your IAT?
TonyC
-----Original Message-----
From: Robert Parrish <parrishfarm@worldnet.att.net>
To: dakota-truck@dakota-truck.net <dakota-truck@dakota-truck.net>
Date: Saturday, May 11, 2002 4:05 PM
Subject: DML: Stumble on Acceleration
>
>Can anybody help me figure out why my truck stumbles while accelerating? I
>notice it mainly after a cold start, but it's intermitant. I just replaced
>the fuel pump, plugs (correctly gapped) cap and rotor, and swapped out TPS
>with an older slightly used one. No change. The truck continues to run
>strong. No noticable loss of power, but the problem still exist. I've
>checked for vacume leaks and also tried moving MAP vacume to the intake
>manifold port. No help. I'm using the old F&B stage 2 T.B. Could there
>possibly be a problem with the throttle shaft, cam sensor or crank sensor?
>The pcm list no codes! Help!
>
>Robert Parrish
>Richmond Va.
>
>
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