Driving normal and not getting on the engine it is ok but as soon as I step on the accelerator the reduce engine power kicks in and I can't go more than 5 MPH. I have to shut truck off wait 30 seconds restart and drive away. Also if I am in park and idling and step on the gas same thing occurs. Currently I have an engine llight on but it is referring to the gas vapor cannister which I yet to replace.
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