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V8-6.0L

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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...
Question
No power unless key is turned to on position
Hello, and thank you for writing in. This can happen when the battery is low, or has died recently. Although the fuses are good, make sure they are clean and have a solid connection. If these steps do not help,...
Question
Shifts feel delayed often over revs
Hi there. P0700 is set when the PCM detects a malfunction in the transmission control system. This malfunction causes the vehicle to set a Check Engine Light and trigger a failsafe mode. Once the failsafe mode is set it will...
Question
no heat coming out of heater
Hello, thank you for writing in. Check the radiator hoses as well, and make sure both are warm if not hot. If the engine itself is running too cold, by the time the coolant gets to the heater core it...
Question
Hello there, I was wondering if I would need to add a manual transmission if I add a twin turbo to my automatic car.
I recommend keeping your transmission in your vehicle that it is designed for. If you plan on putting in a Twin Turbo setup, then the transmission will hold up to the changes. Automatic transmissions are designed to take more abuse...
Question
if my transmission fluid was filled a quart over could this cause my reduced engine power light to come on?
Hi there. Usually the reduced power light is caused by an engine component failure, like the throttle body, TPS or bad O2 sensors. It is very possible that the additional transmission fluid has created a trouble code that might have...
Question
My starter clicks but won't turn over.
Prior to performing diagnostics be sure you have a fully, 100% charged battery that passes a load test. Confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting. If the immobilizer system is...
Question
Reduced engine power.
Check the wiring to the throttle pedal position sensor on the gas pedal and see if there is a loose or broken wire in the pig tail. Fix any wires that are coming apart and wrap up the wiring with...
Question
2004 chevy silverado 2500hd dies when put in gear after the engine warms up
Hello, thank you for writing in. Unfortunately, there are a large number of components that can contribute to this issue. The first thing you will want to do, regardless of a check engine light being present or not, is to...
Question
My seatbelt chime won't go off when my seatbelt isn't on
Hi there. This is one of those problems that is either easily solved or impossible to locate. In most cases, the warning chime function is linked in conjunction with the warning light itself. So, when the seat belt lamp illuminates,...
Question
My seatbelt chime wont work
Hello, thank you for writing in. The vehicle will have a sensor under or in the seat that detects when someone is sitting in it. This sensor controls the air bags and the seat belt sensors. The sensor may have...
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...

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