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L6-5.9L Turbo Diesel

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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
Engine only runs at 650 or 1300 rpm's, and nothing in between 650 and 1300 or above 1300 rpm's.
Hi there. First check the air filter on the engine. A dirty air filter will starve a diesel engine and prevent it from running correctly. Then check the fuel / water separator and see if there is a drain valve....
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
Passenger side battery boiling over
This may suggest you have a voltage regulator that is allowing the alternator to overcharge the battery causing it to boil as you describe. The voltage regulator is a unit that regulates the charging of the battery by the alternator....
Question
Leaking oil out of the front..not from the blow by hose
Hello there, many common faults will cause your 2001 Dodge Ram 2500 to leak puddles of oil while the engine is running. The most common causes are the oil pan gasket, front crankshaft seal, crankcase breather or valve cover gaskets....
Question
Transmission valve body
The 48RE valve body is designed to flow more transmission fluid and build up pressure quicker than the 47RE. This is quite likely the reason you are experiencing shifting problems. As you know, automatic transmissions use pressurized hydraulic fluid to...
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
Accelerator Pedal Position Sensor p0222 Diagnosis
Hello. If the switch has already been replaced then the next thing I would check is APP sensor's harness and wiring. If there is any issue with the harness or wiring then it may be possible that it is throwing...
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
Acceleration and gas pedal problems.
This may be a sign of a failing throttle position sensor. The throttle position sensor (TPS) is a sensor used to monitor the throttle position of the throttle plate inside the throttle body in relation to your foot position on...
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
Won't pass smog
Hi there. It's very likely that you have a stored error code in your ECU that is disrupting the system to reset itself, which can only be removed by a professional mechanic by having them complete a check engine light...
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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