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When I step hard on the accelerator (in neutral or when driving) the engine bogs

(1999 Chevrolet Silverado 1500)
in Inverness, FL on July 08, 2011
and then revs up but reluctantly. When idling or normal driving the engine runs excellent. It seems that the motor only acts this way when you want a sudden burst of power.
Can you advise a possible solution?
The Check Engine light is not on.

Thanks,
Randy
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1 answer & 1 comment
Popular Answer
It;s hard to guess without experiencing the problem first hand or being able to do basic diagnostic tests. You have to see if it a fuel delivery issue (fuel pump unable to supply adequate pressure or volume under load, perhaps change the fuel filter),could be ignition related or a restricted exhaust. A professional grade scan tool allows key engine sensor data to be analyzed right off the scan tool without having to do intrusive testing at each sensor, may be worth looking at fuel trim figures see if the computer sees lean running conditions/fuel starvation under load.
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I'll change the fuel filter and if that doesn't get rid of the problem I'll get it scanned somewhere. Thanks for the advice.
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It;s hard to guess without experiencing the problem first hand or being able to do basic diagnostic tests. You have to see if it a fuel delivery issue (fuel pump unable to supply adequate pressure or volume under load, perhaps change the fuel filter),could be ignition related or a restricted exhaust. A professional grade scan tool allows key engine sensor data to be analyzed right off the scan tool without having to do intrusive testing at each sensor, may be worth looking at fuel trim figures see if the computer sees lean running conditions/fuel starvation under load.
Sign in to reply
I'll change the fuel filter and if that doesn't get rid of the problem I'll get it scanned somewhere. Thanks for the advice.

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