Q: I need a new oil pump on my 2004 gmc yukon, I have low oil pressure, I recently changed the oil so I know oil level is good

You could have a mechanic, such as one from YourMechanic, come check it out (https://www.yourmechanic.com/services/car-is-not-starting-inspection). The fuel pump, crank or cam sensors are the most common possible cause of the no start.

Hi. Symptoms such as these are commonly caused by a failed blend door actuator. The blend door actuator is the component that shifts the system from blowing hot air to cold air, if it fails in the hot position, it...

Hey there. Most likely the shift linkage or cable is worn, which is causing the gear selected to not match what the transmission is in. I recommend having the shift linkage checked by a mechanic like one from YourMechanic.com to...

Hi, thanks for writing in. This could be one of two issues: a weak battery in your key fob (https://www.yourmechanic.com/article/how-long-does-a-key-fob-battery-last) or a faulty key fob (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-key-fob-battery)as a whole. I would recommend changing the battery in the fob and see if...

If you did not do so while replacing shift solenoid "A" (https://www.yourmechanic.com/services/downshift-solenoid-replacement) (if I am reading your query correctly), disconnect the battery for 10 minutes or so, re-connect the battery, and drive the car for 15-20 minutes. This will reset...

If your engine stalls for some reason you should use your regular brake pedal with constant pressure without pumping it or you will loose power assist brakes. If you loose brake assist then pedal will be hard to push but...

A strategy is to have a "knowledgeable" assistant with you so that he or she can be outside the vehicle right at the site of the suspected noise when you get in. If that person listens very carefully, he or...

If the engine has a coolant leak that is not external to the engine or cooling system would not have anything to do with the transmission repairs. You need to have the engine head gaskets and intake manifold checked for...

There are software updates, and at least one specific Technical Service Bulletin, pertaining to the vehicle safety systems you note. All updates (re-programming) should be installed before, or during, any diagnostics because such may have an impact. There may also...