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L6-5.9L Turbo Diesel

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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
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
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
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
I have dodge 2500 5.9 diesel 24 valve, when idle it's fine and when speed up to 60 it lose power then comes back
Hi There, It sounds like you are describing the symptoms of a failing throttle position sensor. The throttle position sensor monitors the throttle position of the throttle plate inside the throttle body in relation to your foot position on the...
Question
Which diesel is most superior? 7.3 5.9 6.6
The 5.9L diesel is a straight six engine. The 6.6L diesel and the 7.3L diesel are both V8 engines. If find that there are more maintenance when it comes to the V-configured engines to the straight six engines. I have...
Question
Oil is green in color.
Hi there. Diesel fuel has a green tint to it. It is possible that the fuel has gotten into the oil, but most likely the diesel will just thin out the oil. If the oil if light bright green in...
Question
changed the fuel pump on 1999 dodge ram 2500 diesel fuel truck. Now, it doesn't send power to fuel pump.
At key on, the fuel pump is normally only powered momentarily to pressurize the system. If you are testing during this brief interval, you have to apply a volt meter at the instant the key is turned on. Otherwise, the...
Question
Truck makes grinding noise when 4WD is engaged and put under load only.
Hello, thank you for writing in. Issues like this can be difficult to locate, because you need the vehicle to be under a similar load to recreate the noise. With that being said, you may have a vacuum issue causing...
Question
Cylinder 5 has a misfire.
Hi there. To determine if the injector is not working properly, either you can perform a cylinder cut out test on your injection system or you can swap your injector on cylinder number 5 with another cylinder and see if...
Question
Battery isnt charging while driving?
It sounds like you may have a failing voltage regulator or failing alternator. As you may know, the alternator charges the battery while the engine runs by generating amperage and recharging the battery while the engine turns the alternator pulley....
Question
I put a new battery in my truck and now nothing on the dash works
Hi there. Thanks for contacting us today. It's quite possible that the battery terminals may have been installed backwards on accident, which would cause the electrical problems you are experiencing. It's also possible that while attaching cables, electrical relays have...
Question
Ecu vin verification
Hi there. This really isn't a service we offer or are best suited to give you any "good" advice on. When it comes to ECU's, we always defer to the OEM solution; due to the possibility of connectivity issues with...
Question
Power steering is very hard at low speeds and in reverse.
Sounds like the power steering pump valve is failing or the pump veins are worn and causing aeration of the power steering fluid making the system not function at low engine speeds. Try putting the transmission in low and turning...
Question
Will a 2001 dodge diesel motor change out with a 2005 computer and all the components?
Changing the engine will determine what type of engine you have. If you have a CPP 24 valve Cummins engine, then the engine will swap just fine as they fit the 1998 to 2005 models. However, if your vehicle requires...
Question
dont know if my tranny is shifting into overdrive and the torch converter not locking in or the orther way around
Gear selection, and coincident operating parameters (e.g., line pressure; solenoid position), on your transmission are easiest to see with a manufacturer scan tool. If and once it is determined that there is no lock-up, or no overdrive gear, the cause...
Question
Need a price for a wiring harness replacement on an '89 dodge ram d250 Cummins turbo
The wiring harness is not available on this vehicle and will need to be repaired. You will need to get the problem diagnosed first by a mechanic like one from YourMechanic. Usually this will be on a time and material...
Question
How can I tell if my hydro boost accumulator is causing my power steering/ brake issues of if it’s just s leaky line?
Hi Randall. Thanks for contacting us today. I think you have a few different issues that need to be individually diagnosed and resolved. Otherwise, you'll be chasing repairs like it appears is going on in this case. The power steering...

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