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L6-5.9L Turbo Diesel

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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
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
Heater not blowing hot air
If you have fluid leaking from under the dash on the passenger side, the heater core is leaking. This part will require replacement in order to get heat to function properly again. Sometimes this can be replaced by removing only...
Question
Fuel pump problem
It could be a fuel pump, or a fuel pump relay issue. The fuel pumps are problematic on these Ram Diesels, and will quit with no warning. There are many aftermarket pumps that are more durable than the stock Dodge...
Question
Engine won't start.
You should get your 'no start' inspected by a qualified technician. The most common problem on this vehicle for a 'no start' is the fuel pump and filter. The fuel pressure will have to be checked by a certified qualified...
Question
Clutch not working
If the clutch had been slipping prior to the failure and now nothing happens, it may be worn out. Once the clutch wears, the mechanical connection between the engine and transmission is broken and power cannot be delivered. Have an...
Question
Car not staying started
Hi there. Diesel fuel systems can be temperamental, so that is where I would start. Lack of fuel pressure, contaminants or air in the system can cause the symptoms you are having. The water/fuel separator may need to be serviced...
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...
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
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
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
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
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
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
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
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
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
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
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
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...

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