Re: Throttle Mashing hesitation?
There's quite a few threads concerning this with our trucks,and it seems there can be more than one cause. IIRC, ChevyTech just recently helped a member trace his problem back to a faulty EGR. And I was having problems where the truck (93 Yukon) would crank and run after a shot of starting fluid but not without it, and the transmission was acting stupid also. A new TPS fixed both problems. 68C15 finally figured that out for me. TPS can also have a "flat spot" that will cause part throttle hesitation. And a clogged fuel filter can starve the engine where it makes no power. And before trying to diagnose any of this, it's imperitave that the engine be in good tune.
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93 Yukon
89 Silverado Z71 SWB Sport
91 K 2500 Silverado "Lobuk-Worktruk"
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