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Suburban 2500

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Question
Vehicle not shifting into higher gears
Hello, with any transmission issue, the first thing to inspect is the transmission fluid level. If the fluid level is low, add the correct amount and drive it again to see if it shifts. If the fluid level is good,...
Question
Slight miss in truck
The most common cause of a misfire on the engine is dirty fuel injectors. It may be a good idea to have the injectors cleaned. One common issue I have seen also is a failure in the variable valve timing....
Question
Lost oil pressure.
Sounds like it could be the oil pressure sensor. Have a technician test the sensor to determine if it is bad and if it needs to be replaced. I definitely would not drive it until that is checked because you...
Question
Transmission slips while driving downhill - 1997 Chevrolet K2500 Suburban
There are many possible technical service bulletins the manufacturer has listed for this problem on your vehicle. The problems range from internal gears to pressure solenoids of the transmission. I suggest having the transmission pressures tested to see if the...
Question
Left wheel locks up when turning - 1996 Chevrolet K2500 Suburban
You most likely have damaged or bad spider gears or bearings in the rear axle. The spider gears will turn in one direction or the other when you are turning left or right. If the gears are binding on the...
Question
Reduced power mode
The reduced power mode is usually related to a Check Engine or ABS light coming on. When a problem is detected, the engine goes into reduced power mode to try and allow you to get to a safe stopping point....
Question
SUV stalled when travelled over bump in road
Hello. Since the stall occurred going over a bump, I would say that you have some sort of wiring issue causing the problem. I would run your vehicle and start manipulating the wiring harnesses until the vehicle stalls. If that...
Question
When disabling cruise control, SUV kept accelerating to 115 mph
From your description it sounds like the throttle body became stuck. Since this vehicle does not have a throttle cable it is possible that a sensor malfunctioned and caused the throttle to stay on. These vehicles have been known to...
Question
SUV tries to accelerate and stop at same time
Hello. Your vehicle is equipped with a throttle-by-wire system. This means that there is no physical connection between the throttle on the engine and the gas pedal. There is a sensor on the gas pedal that tells the computer how...
Question
After releasing gas pedal, car continues to accelerate
Hey there. From your description, it sounds like the throttle body became stuck. Since this vehicle does not have a throttle cable, it is possible that a sensor malfunctioned and caused the throttle to stay on. These vehicles have been...
Question
After repairs, clunk-type noise still persists
Hello. It sounds like you may have a problem with an axle shaft of the front differential in your truck. Also, make sure that you have the truck in 2WD, not auto 4WD or 4WD high. If you have it...
Question
Traction warning on, unexpected deceleration
It definitely sounds like there is an issue either with the engine management or traction control system. Fault codes need to be read out to see if there are any underlying issues causing these malfunctions. One common input to both...
Question
Leaking oil or consuming oil.
It's possible that your engine is burning oil, either through the head gasket or through the rings. If this was the case, you would most likely be seeing blue gray smoke out of the tailpipe when driving. If you're not...

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