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V8-5.0L

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Question
Air conditioner makes clicking sound when truck turns on, low air pressure unless max AC is used
When the engine turns on, if the A/C switch is off, the compressor clutch is not engaged so the only "noise" should be from the compressor pulley freewheeling. If the air flow is too low at the lower blower speeds,...
Question
Brake Warning Lamp still on
Typically a warning light needs to be cleared by a digital scanner completed by a professional mechanic if a repair has been made. Based on what you said our mechanic completed; there were no repairs. The brake light issue could...
Question
Fast Ticking sound coming from the engine.
Hi there. To see where the noise is coming from on the engine, first try removing the drive belt and starting the engine. If the ticking noise went away, then there is an issue with a pulley on an accessory...
Question
Power Steering Assist Fault
Hello, thank you for writing in. When you have a warning light like this on, it may be sensor related, or it may be mechanical. The power steering system is electric, and there are not many tests you can do...
Question
It will not go in to park or shift in to any gears.
Hi there. Based on what you have written, it is quite possible that internal components inside the transfer case have broken. This is something that typically requires the transfer case (with internal components installed) to be replaced. Unfortunately, it's not...
Question
cannot figure out how to use the tensioner pulley for serpentine belt removal
Hello, and thank you for writing in. We currently do not have videos available to share with you, however we can do our best to walk you through the process and how the pulley works. What you see when you...
Question
Weird squeaking noise
Hi there. The washing the truck was the clue that leads me to believe that your squeaking noise is caused by excessive brake dust clogged between the brake rotor and pads on your GMC K1500. As brakes heat up, dust...
Question
High output alternator - What about the voltage regulator?
Hi there. Typically we don't offer advice on aftermarket component upgrades. In regards to whether the voltage regulator is located inside the new alternator, that depends on the unit. This one for example has it installed inside and does not...
Question
My 2013 F150 was dead. Went out to start and nothing. Jumped it and it started up.HOWEVER..... the Advance Trac Warning and faulty
Hi there. It is possible that while you attempted to jump start the car, that a few electrical faults may have been triggered causing more damage to other components like the power steering system. It is best to have a...
Question
The car want stsy running
Hi there. Usually when an engine randomly shuts off, it's due to a fuel system fault. Some common components that are either dirty, clogged or have bad connections include the EGR valve, a vacuum leak or primary jets (if your...
Question
I have a short that drains the battery overnight.
There is a parasitic load applied to your battery with the ignition is off. Keep the test light on the battery and turn on one thing at a time and watch the light. If the light goes out, then that...
Question
Driving from Washington to Oregon when I got home battery boiled over. The 4 wheel drive dash lights and overdrive are on.
Hello. With so many lights indicating on the dashboard such as the check engine light and the overdrive light they will certainly be codes present inside of the transmission control module and engine control module. I suggest that a technician...
Question
High revs drives by itself 1994 Ford Mustang
Hi - your "very high idle" symptom could have a couple of causes. If the throttle return spring has failed, or come loose, the throttle could stick in most any position. A failing throttle position sensor could be accomplishing the...
Question
Starts then dies
When the engine is in crank mode the fuel pump relay is energized by ignition start signal. Once the car starts the fuel pressure relay is energized by the oil pressure switch. If you have fuel pressure during crank but...
Question
Keys quit working
Hello, and thank you for writing in. Without doing some diagnostic testing it is impossible to know if this is a fuel, spark, or other electrical issue. Once the issue is determined, you can then get quotes on a repair....
Question
vehicles stalls both while driving and idle, will hesitate to start. howvever sometimes starts and runs without issue. P008B
The p008B code that you listed refers to the low pressure fuel system. For some reason the engine control module is receiving a signal that shows high pressure in the system. This could be caused by a failed low pressure...
Question
My speedometer drops past 70 when I may be going only 35 mph 1989 Mercury Grand Marquis
Hi - this behavior sounds like a failed speedometer instrument (the portion in the dash cluster rather than the cable from the transmission). It will be necessary to remove the speedometer "gauge", and either have it repaired at a speedometer...
Question
shifting problem
Hello there. Diagnosing transmission issues like this can be very complex. In some cases, simply flushing the transmission fluid and replacing the filter will solve the problem; as it might be you have an obstruction or debris in the hydraulic...
Question
Starts then dies
Hi There, I would suggest checking the idle control valve to be sure it is not dirty and that it has proper connection. The idle air control valve monitors the air intake as it is mixed with fuel prior to...
Question
When I accelerate truck starts to jerk
the problem sounds like the one fuel tank where you loose power is not producing enough pressure. You should test the fuel pressure at the fuel injector rail using both fuel tanks and compare them to each other. If either...

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