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Suburban 2500

Hi Ray. Thanks for contacting us today. When the engine gets hot and the heater blows cold air, it's usually caused by either an obstruction of debris inside the heater core. When a water pump or thermostat does not work,...

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...

There are many possible technical service bulletins (https://www.yourmechanic.com/article/how-to-use-a-technical-service-bulletin-tsb-to-diagnose-and-repair-a-car-by-valerie-johnston) 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...

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 (https://www.yourmechanic.com/services/oil-pressure-sensor-replacement). I definitely would not drive it until that is checked because...

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....

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...

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....