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V8-6.0L

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Hi i just replaced a starter on 2004 gmc yukon 2500 with 6.0 engine when i started it up my fog lights come on and when i turn it
Hello, thank you for writing in. The vehicle may be having one of many issues. If you changed the starter because the vehicle was having starting issues, it may have been the battery causing you problems. If the fog lights...
Question
Q: limp mode
This problem may be a wire connection or TCM or PCM issue. The first thing that has to be done is to get communication with the TCM. The different computers communicate all to the engine computer and then to the...
Question
The service 4 wheel drive light comes on in my 05 Chevy Silverado 1500 HD
It is not likely that damage will occur or is occurring. Generally, it's only if the check engine light is actually flashing that you can reasonably expect damage. As far as whether what you are describing is a "known issue"...
Question
2005 hummer temp gauge drops off and than sputters and sometimes dies. temp up and drives fine
It has to first be determined if the actual engine temperature is really fluctuating or instead the stalling is just simply a coincidence with a gauge malfunction. A scan tool can measure engine operating temperature. Fuel supply faults are a...
Question
Car stalls and shoots white smoke/ smell of gas in car, jerking when accelerating, losing power at idle, no check engine light
Hi Jacolby. Thanks for contacting us today. There are a few possible sources of your problem, but in most cases, white smoke is an indication of a blown head gasket. This can also be the reason for the lack of...
Question
2009 chevy silverado, has a clicking sound by the steering colum. The trans temp blink dashes, then the temp, wint shift into tow
One of the blinking indicators, or the malfunction(s) that it represents, would have to be traced and resolved before it could be determined if they all have a common cause. The clicking noise is actually more likely to be from...
Question
My 2008 Pontiac G8 GT has a collapsed lifter, and i want to have contact with a mechanic experienced in rebuilding Gen IV LS motor
California guidelines prohibit the modification of the camshaft that you are contemplating. Consequently, anyone in California who is actually a knowledgeable engine specialist is not going to do this kind of work because it would be flat out illegal. There...
Question
Driver side D1R headlight not working even after replacing bulb.
You will need to most likely need to replace the ballast for the light that is not working and should also check connections for any heat related damage and replace connector along with the ballast.
Question
After putting gas my engine is having a weird tapping / knock like sound ?
There is a possibility that the gas is contaminated although of course the issue (the noise and the underlying mechanical cause) could have just coincidentally arose right at the time you bought gas. You might check with the station and...
Question
On my 05 Corvette every time I floor it on 3rd gear in the freeway between 80 and 90 it tells me service active handling
Hey Andre. Thanks for contacting us today. The first question I'd ask is whether or not the rear wheels were checked for damage or if the rear axels were inspected as well. I've seen a minor 'glance' off a speed...
Question
2003 Yukon stalls going down hill and at abrupt stops.
Hopefully, the two stalling scenarios have only one cause. Among the possibilities are a faulty torque converter lock up. You might be able to detect that with a sophisticated scan tool, such as the Tech 2. If the level of...
Question
Engine goes to reduce engine power when headlights are turned on
Two of the original codes refer to the torque converter including control circuitry and devices, particularly a lock up solenoid. The only way to determine the circumstances surrounding the repair they performed is to have them show you the original...
Question
I had the code po342
You will need to make sure the CMP sensor wires are not out of position and near any high voltage wires or coils. If the problem continues then remove the sensor again and check the reluctor on the cam for...
Question
Hi I have hummer h2 06 there is sign come on screen low oil pressure I changed sensor also changed fuil pump Engine runs smooth ha
Oil pressure can be tested and verified against factory specifications using an external pressure gauge, connected to a threaded access port on the engine block. If pressure measures normal, and the engine otherwise functions normally (adequate and even cylinder compression,...
Question
My Cadillac Escalade just got returned to me from the shop, because it wouldn’t start. They said they replaced the computer, but n
This sounds like you have electrical connection issues with the dash or body control module. These vehicles are known to have electrical connection corrosion buildup that caused these erratic electrical problems including no starts and running issues. This problem will...
Question
Was driving my h2 at 48 miles per hour when the gear got knocked into reverse by accident and now my H2 will not go in reverse
Hi there. Thanks for contacting us today. If you shifted into reverse while the vehicle was in forwarding motion, it's likely that shift linkage or the reverse gear itself has been damaged. Honestly, without completing an inspection, it's hard to...
Question
My 2004 fox yukon denali has a blinking check engine and it slalls what is it most likely?
When the check engine light comes on, it means the controller has detected a fault in the engine management system. At this time, trouble codes are stored that can help lead you to the malfunction. These codes can be read...
Question
I had body work done and had my front fender replaced. Now there is a lot of moisture in my headlight. Should body shop charge?
The body shop would not be responsible for additional problems and the insurance company should cover it since this would be called a hidden problem that the body shop did not notice when giving the original estimate. They would charge...
Question
Engine gets hot, heater blows cold air
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,...

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