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L6-5.9L Turbo Diesel

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Vehicle won't start
It sounds like you may have a fuel level sensor failure. Verify there is fuel in the tank, if possible, to eliminate the low fuel as an issue. Electrical testing can be done to determine if the sensor is bad,...
Question
Drivers window motor replace
The spring should not normally be taken off. Only the motor should be removed and replaced. The regulator may be held in a vice while motor is removed and replaced. You will need to remove the entire regulator from the...
Question
At 60 to 70 there is a very good vibration if I turn the over drive off I don't fell it
I would recommend starting with the simpler things first such as checking the drive shaft U-joints. Also, check to be sure the tires and wheels are properly balanced and rotated. I have seen this happen quite commonly when the drive...
Question
My truck wont start when i insert the key and give it a turn
This is a very common problem related to starting on many cars. This is often times the result of a faulty starter relay. This is a relay that directs power from the battery to the starter allowing it to engage...
Question
Check engine light came on and it sounds like one or two cylinders are not running.
Hello. If the Check Engine Light is on, then the first thing I would do is retrieve the trouble codes. The Check Engine Light is likely related to your performance issues and retrieving the trouble codes may reveal some information...
Question
Excessive white smoke out of crankcase tube. Fuel in oil
That is definitely the result of a loss of oil pressure. A very bad oil leak, failed pump or lack of maintenance can be big trouble for an engine especially with such high miles. As long as there is no...
Question
Truck wont start on its own needs throttle to start
Hi and thank you for contacting us. There are 4 things that could cause a problem with starting and bogging of a diesel engine. First, you will need to check the air filter. Unlike gasoline engines, diesel engines require a...
Question
No fire after changing injectors... What could be the problem?
Check to be sure there are no leaks in the return line. A leak in this can cause air to get into the injection pump causing no-start issues. There is a rubber hose on the back of the injection pump...
Question
Brake dust
Asbestos was, and in some cases is still, used in the brake lining and clutch materials on many modern vehicles. It offers good strength, temperature, and chemical resistance and is cheap compared to other materials that are used for the...
Question
Brake lights stay on all the time.
Hi there. The most likely cause for the brake lights staying on is, a faulty brake light switch. Another possibility, would be a short to power past the brake light switch and disconnecting the brake light switch would isolate whether,...
Question
Estimated time to remove and replace AC compressor?
Hey there. The service manual states the service would pay the average technician about an hour to perform the repair. This does not include recovering the refrigerant from the system before removing the lines from the compressor. The A/C compressor...
Question
My truck has a violent shake, rapid onset, massive white smoke, increases shaking with turbo charger pressure increase, and has an error code of p0303.
Hi there. If you are having a misfire on cylinder number 3 and the injectors are new with the fuel lines cleaned out, then the exhaust valve is burned on cylinder number 3 and needs replaced. This is why there...
Question
Where is the ignition switch harness located? Also, what color wire and gauge are the ignition accessory wires for this vehicle?
Hi and thank you for contacting YourMechanic about your backup camera installation. The ignition switch harness is located inside the steering wheel column on the left side. If I'm not mistaken, the ACC wire will be an 18 gauge pink/yellow...
Question
My 1999 dodge 2500 turns on but it wont accerlerate at all
Hi there. If you're able to press the throttle and the engine's RPM increases, your issue may be related to the transmission or drive system. However, if you press the accelerator and the engine does not increase RPM, then it's...
Question
My truck was running perfectly yesterday, but this morning it won't start.
When you attempted to start the vehicle this morning, did the starter attempt to crank the engine? If not, the issue is likely the starter. Although they can display signs of wearing out, they can also stop working suddenly. If...
Question
Transmission won't shift into lockup.
Hi there. Check the TCC (Torque Converter Clutch) fuse and see if its blown. If the fuse is working fine, then either the torque converter clutch is burned or the seal on the input shaft to the transmission has split....
Question
A/C and heat work intermittently
Hello - I would first check for fan motor voltage coming out of the HVAC control switch. A bad contact for the fan could act as you describe. If you are consistently getting 12 volts out of the switch TO...
Question
Bolt on bottom of transfer case. 2001 Dodge Ram 2500
Hello - I would consult a service manual on your transfer case problem if possible, but basic guidance would be: the "bullet" would go back in first, followed by the spring, followed by the '"bolt". Examine the "bullet" - one...
Question
When replacing the oil cooler do i need to put O rings on it as well? 2002 Dodge 3500 CummingsDiesel
Hi - yes, absolutely change the o-rings. They get brittle with heat and age, lose their resilience, and you have oil leaks. If you would like assistance with this task, I would recommend having the oil cooler replaced by a...
Question
I got a code P0191 for the fuel rail pressure and a code P0237 for turbocharger boost.
Hi there. When the battery was arched, the power surge had went through the vehicle and caused some circuits to fail. If right after the power surge happened and now you have a code for the fuel pressure and the...

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