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V8-6.0L

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Question
Car blows cold air
Hi There, You may have a clogged heater core that may be prohibiting the outer linings of the heater core to get hot. As you know, the heater core is a series of tubes that the coolant runs through that...
Question
Truck will not go forward. I have replaced the water pump and radiator. It had been like slipping gears for about week and is leaking oil.
Hi there. Check all of the fluids in the vehicle and see what is low. If the transmission fluid is low, top off the fluid and see if the transmission stops slipping. If the transmission continues to slip, then there...
Question
Where is the cmp located
The camshaft sensor is mounted straight down into the top rear center of engine block behind the intake manifold. The sensor is held in by one bolt and is pulled straight up out of the block.
Question
Truck goes into reduced power. I have to stop, remove the key from ignition, remove gas cap, and put the gas cap back on. Truck some times will do this 2 to 4 times.
Hi there. Check the gas cap seal and see if there is a crack on it or if there is a distortion on the seal. If there is, I recommend replacing the gas cap. The gas cap seal is designed...
Question
No matter what setting the AC is on it'll only blow out if the defrost vents . I have changed the fuses thinking they may have bee
Hello, thank you for writing in. The climate control utilizes something called "blend doors" to control where the air is being sent through the ducts. These blend doors are controlled by servomotors that open and shut them. Something has likely...
Question
Car runs fine when idling but while driving it sometimes shuts off and I have to wait a few minutes to fire it up again.
Hi there. When the engine stalls out, the power steering and the power brakes will stop working for they need the engine to operate to make them work properly. For the stalling issue, check all of the sensors on the...
Question
Reduced power comes on message in truck have no gas petal and it sputters like bad plug 2004 Chevrolet Silverado 2500
Hello - the first task is to check for problem codes that are setting the Check Engine light on. The loss of power could be due to a failing throttle position sensor, or fuel pump. I recommend a loss of...
Question
think heater relay is gone checked today lost heat yesterday but dont know what it looks like the plug is melted also this small p
Hello, thank you for writing in. The main component related to the heating system that is located near the dash board is the heater core. If this relay or part of the circuitry that you have found damaged is part...
Question
Vehicle starts then immediately dies (injectors cut out).
Hi there. The issue you are facing is when the seat power was routed directly from the battery. The power from the seat comes from the fuse panel which is spliced into the security and ECM systems. The ECM is...
Question
Car will not start
Hi There, This may be related to many different possibilities, some of which may be related to a lack of spark or possibly timing issues and some of which may be related to a fuel delivery problem or a combination...
Question
Stalling
Depending on the conditions when the stalling occurs, this may be related to the various loads put on the motor which may indicate a faulty MAP sensor. The Manifold Absolute Pressure (MAP) sensor senses engine load and generates a signal...
Question
dash lights dim and radio goses off when i hit the gas and battery wont hold a charge when the truck is on
Hello, thank you for writing in. It would seem for one reason or another that the charging system is having trouble keeping up with the vehicle. The alternator is the heart of the charging system and supplies all of the...
Question
Factory anti theft device
Hi there. You might want to consult with a local automotive alarm company to see if they are able to complete this process for you. In most cases, the factory alarm system can only be disable by the factory or...
Question
When starting my vehicle the whole dashboard blinks rapidly and all gauges are down. What's the problem?
Hi there. The issue is your battery does not have enough amperage to operate the vehicle systems when starting. I recommend replacing your battery with a new one and the one that the vehicle calls for from the factory settings....
Question
I have a "hop"
I would evaluate the springs, and shock absorbers. A weak shock in particular can set up a bouncing (hopping) cycle. If no problem is found there, I would recommend you use wireless, remote chassis ears to pin the noise (or...
Question
Engine in limp mode-- transmission has been checked and found to be fine. 2002 GMC Yukon XL
Hi there - the first task for a "limp mode" warning is to check for problem codes, even if they are intermittent, and whether the Check Engine light is on or not. Find out what is causing the Low Coolant...
Question
New motor now electrical problems
If it's a "new" motor, and the bearings are possibly dry (they shouldn't be, but you never know), you can pre-lube the motor by using a Pre-Lube Engine Oiler Tank. After ensuring there is oil throughout the motor, verify that...
Question
loud noise from drivers side rear wheel
If a bearing in the differential has failed, the differential has to be opened up and rebuilt or replaced. You just want to make sure that the noise is not from a failed wheel bearing because if you have a...
Question
Brakes are locking up
Hi there. The power steering and brake system are not related mechanically. However, it is possible that prior to working on the power steering system, the ABS module was deactivated or an electrical connection was removed; which can cause the...
Question
P1516 engine code and reduced engine power message
Hello, and thank you for writing in. The P1516 code you received stands for an issue with the Throttle Actuator Control Module. The throttle body, the actuator module, and the wiring may all need to be inspected. The TAC module...

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