What causes a Chevy Silverado 350 to hesitate?
The two most common causes of hesitation on these vehicles are Throttle position sensor and MAP sensors. Both can be checked with a lab scope, but aon a truck this old you have to weigh whether the money is better spent on two new components rather than testing costs.
What causes a truck to hesitate when accelerating?
Hesitates When Accelerating: the Initial Problem Was the Truck The initial problem was the truck stalled and died. The following parts have been replaced: spark plugs, wires, fuel filter, distributor, cap, rotor, pick up coil, map sensor, throttle position sensor, and idle air control valve.
Why is my Chevy truck bucking at idle?
During idle it would sound as if it were about to shut off but it wouldn’t. Rough idle and hesitation sounded like a vacuum problem, so I checked the TBI. The EGR valve was faulty so I replaced it. That fixed the rough idle and it drove fine for a day or two. But then yesterday and today, my truck began to buck pretty hard.
What was the initial problem with my truck?
The initial problem was the truck stalled and died. The following parts have been replaced: spark plugs, wires, fuel filter, distributor, cap, rotor, pick up coil, map sensor, throttle position sensor, and idle air control valve.
The two most common causes of hesitation on these vehicles are Throttle position sensor and MAP sensors. Both can be checked with a lab scope, but aon a truck this old you have to weigh whether the money is better spent on two new components rather than testing costs.
What’s the problem with my 1997 Chevy Silverado?
I have a 1997 chevy 1500 siverado with a 5.7 vortec that has been having a problem for about 6 months now. The truck starts, idles, and revs normally and when accellarating slowly everything works just fine, but once you get past half throttle it falls on its face and acts like it has a clogged fuel filter or bad fuel pump.
Why does my Silverado go slower past half Trottle?
The truck starts, idles, and revs normally and when accellarating slowly everything works just fine, but once you get past half throttle it falls on its face and acts like it has a clogged fuel filter or bad fuel pump. It actually goes slower than below half throttle. The bogging gets consistently worse the more throttle you give it.
What causes a GM truck to lose power?
If your GM truck occasionally loses the ability to accelerate and warns you of reduced engine power, that could be caused by a faulty throttle body. While not common, this issue can interfere with your engine function and cause your vehicle to lose power anywhere from once in a while to several times in a day.