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Yukon XL 1500

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Question
Traction control
Hi There, It sounds like you may have a malfunctioning traction control module. The traction control system monitors the steering and stability of the vehicle and engages when loss of traction has been detected. This is done by the use...
Question
Gas pump keeps shutting off. I've replaced the charcoal canister also the valve and still won't work
This is likely related to your EVAP emissions system and something called a purge valve solenoid. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere. The EVAP system collects and temporarily stores the fuel...
Question
It's either the ABS control module or the rubber brake line from the caliper not sure causing the right front to sees with light b
Hi there. I would highly recommend NOT bypassing the ABS system, as not only is this a serious safety concern, but if an accident were to occur, it could cause serious issues with your insurance company. If the brake caliper...
Question
Replaced charcoal canister also the evap vent and the gas pump still shuts off on me after A few seconds of pumping
You may have a fuel tank that is not venting quick enough and causing your fuel back up problem. Your fuel tank has a two part tank with a crossover tube that equalizes the two parts of your tank. If...
Question
Brake rotors
Hi There, What you are describing is a sign of warped brake rotors. When you press on your brake pedal, this activates a hydraulic pressure which forces small pistons inside your brake calipers to push the brake pads against the...
Question
Radiator fan running max frequently
The fan circuit has a relay, switch contacts, and a temperature sensor. There may be other circuit components as well. If the fan is coming on when it is not supposed to, there is a fault in one or more...
Question
I need my catalytic converter replaced. I found out my truck requires a dealer only converter that's California compliant. Is this
Hi there. The folks at CARB (California Air Resource Board) have set emissions standards for California sold vehicles for several years; which includes specific catalytic converter design. So if a mechanic is telling you that you require a specific catalytic...
Question
I hit a curb pretty hard.. 5 to 10 minutes later my traction control light and my reduce engine power light came on.. Now ive cha
Any fault/error (or damage to the vehicle) that will affect drivability or vehicle performance "can" cause reduced power. Consequently, the codes that have caused the traction control warning light to illuminate should first be downloaded and if those codes implicate...
Question
Can bad front wheel bearings cause 2007 gmc yukon to slip out of 2 wheel drive into 4 wheel drive and slip back again?
Bad wheel bearings can cause the front wheel sensors to not register correct wheel turning rotations and cause sensor fault codes and even faults in 4x4 and ABS systems.
Question
Service Engine light is on in my vehicle had it inspected and it didn't past die to a sensor problem. Could this be the reason it
If the check engine light did not come back on for a couple days then you most likely did not get the problem fixed since sometimes after clearing a code it takes a few days to set the code again....
Question
Have changed brake pads, have bled the lines 4 times now but having to press brake to the floor to get car to stop. What is wrong?
If your vehicle has an ABS system, sometimes the ABS system has to be remotely activated with a bi-directional (GM) scan tool in order to expel trapped air in the ABS pump and valving. This is particularly the case if...
Question
I have a 2004 yukon denali it is not shifting right 1 and 2 are ok but once it reaches 40 mph my RPM goes crazy
What you are describing is often a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer...
Question
Engine overheating gmc Yukon xl with ac on. Already replaced head gaskets, thermostat, flushed system. Good on correct coolant.
Hi Laci. Thanks for contacting us today. When the AC is turned on, it will create more strain put on the engine, causing existing small problems to accelerate. There are a few things that could be causing this problem such...
Question
The rpm in my truck is high while I'm in first gear then drops to normal once i accelerate
Hi Michael. Thanks for contacting us today. A high idle speed while not in gear is often caused by a faulty idle control valve or vacuum leak. It would probably be best to have a mechanic diagnose this issue correctly...
Question
My car does not pick up like it use to in any gear
The problem sounds like you either have low fuel pressure or have a clogged fuel filter. have the fuel pressure checked and if it is good the try replacing the fuel filter to see if this fixes the problem. Also...
Question
whining noise front of engine, EVAP and temperature control
Hello, thank you for writing in. The first two symptoms may be related. Finding a leak in the EVAP system will take some time and focus. If the noise goes away after fixing the leak, then we know we can...
Question
My abs an my tc light is on what's the problem?
It is possible that you can have a problem with the alignment of your vehicle. It is also possible that one of your wheel speed sensors could have failed as this is a common cause of those two lights to...
Question
Ac compressor in two part can I still use my Yukon 2002 without it causing any other damage to other parts
I would not recommend driving the vehicle if the AC compressor is broken into two pieces. Your AC compressor is powered by a serpentine belt, which also powers many other components in the motor. Driving this while damaged may result...
Question
Arounnd how much would it be to get " reduced engine power" fixed?
The check engine light indicates that there is likely something wrong with the engine or transmission in your vehicle and will usually come on in conjunction with the vehicle going into the reduced power mode. This happens when the vehicle...
Question
What damage could uninstalling my ABS system do to my 2005 GMC Yukon XL 1500 RWD 5.3L flex fuel
Modifications to vehicle brakes is not something we can help you with due to safety reasons. I can tell you that if the ABS is not active or does not work then the brakes will revert to normal brakes as...

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