Join Date: Mar Location: Texas. Posts: 5. Codes P and P This truck was leased Aug and we took the purchase option Aug The truck has been pampered. It only has k, never driven hard.
We are the original owners. The truck died one day, just quit. No warning and no stutter, just stopped running while going down the road. After changing the fuel filter and trying repeatedly, it started.
About weeks later it just died again. He changed one fuel pump but it didn't help, still it won't start. Had it towed to the shop for code reading and got P and P After the shop replaced some fuses P cleared, but P keeps coming back and the truck still will not start. The shop told us he believes the fuel pump injector has gone out and this will cost for part alone.
Does this sound right? I am grasping at straws, any ideas are appreciated. We can't afford to experiment and fail. Sponsored links. Join Date: Jan Posts: 19, Re: Codes P and P P is the transfer pump circut out of range. And I'm going to move this thread to the 2nd gen section. How do we check the fuel pressure and the operation of the LP pump?
What is the difference in the second gen section? Join Date: Feb Location: nc, davie county. Posts: 1, Yes, a Dodge Ram 4x4. Sorry I don't know much about this but I would really appreciate a course, I am trying to get information for my husband and our truck.
He had a chemotherapy treatment this am and will be exhausted and miserable for about 4 or 5 days. Resourses are limited, so I am trying to get all the information I can, so when he feels up to it I can give him what I have found.
He doesn't use a computer at all. No problem at all where here to help. On the High pressure injection pump there is a schader valve much like that of a tire stem that you fill air with.
Here at the injection pump is where we ck fuel pressure. You will need a fuel pressure gauge to do this ,purchased at a local parts store.Your email address will not be published. What does the code mean? OBD-ii Code P definition: Basically this means the diesel fuel injection pump has a timing failure. This could be that the injection pump timing needs adjusted OR the failure is internal to the injection pump and therefore non-adjustable.
Prolonged fuel delivery problems can cause injection pump failure! Fuel delivery problems could be: A plugged diesel fuel filter An in-tank blockage Air in the fuel due to a cracked in-tank fuel ine above the fuel level Bad transfer lift pump Injection pump out of time.
Solutions First, simply check if your injection pump timing is adjustable. If so, check the timing and adjust if necessary. If you think that you may have a fuel delivery problem, then check the lift pump operation. On Dodge Ram with the Cummins engine, the lift pump should produce about 45 oz of diesel in 25 seconds of operation. This can be performed by disconnecting the fuel hose from the injection pump and pumping the fuel into an approved container.
Bump the engine over but do not start it. Then the lift pump will operate for 25 seconds. With the fuel hose connected the fuel pressure should be 10psi. If the fuel delivery tests fail, replace the diesel fuel filter and recheck. If it still fails then verify there are no restrictions in the fuel tank Then replace the lift transfer pump. This occurs because even a weak transfer pump can still provide enough fuel for the engine to run. If you found your injection pump to be bad, the lift pump should be checked for operation to protect the new injection pump.
This is because weak or low output from lift pump are common cause of injection pump failure.
VP44 Injection Pump Problems Solved
Leave a Reply Cancel reply Your email address will not be published. Ford All Models By MoparMan. Fuel injection pump operation is monitored with ignition on. Turn ignition on with engine off. Using scan tool, check for DTCs. If Good Trip Counter changes to zero, go to next step.Hdfy cost
If Good Trip Counter does not change to zero, the test is complete. Turn ignition off. Check for proper fuel injection pump timing and alignment of fuel injection pump drive gear. If fuel injection pump timing and alignment of fuel injection pump drive gear are not correct, adjust as necessary. Check fuel pressure drop across fuel filter. If fuel pressure drop is as specified, go to next step. If fuel pressure drop is not as specified, check for restriction and repair as necessary.
Check transfer pump inlet for a restriction. If transfer pump inlet restriction is acceptable, replace fuel injection pump. If transfer pump inlet restriction is not acceptable, repair transfer pump inlet line restriction. You can post now and register later. If you have an account, sign in now to post with your account.Diabete, pazienti a rischio con cure eccessive o inadeguate
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Diagnostic Trouble Code – P0216
Clear editor. Upload or insert images from URL. Show all categories. Search In. By MoparMan December 31, Go to Cummins articles. Join the conversation You can post now and register later. Your email address Required This will not be shown to other users. Add a review Insert image from URL.Not to worry though! Diesel Addict will arm with the most information possible to make the problem a piece of cake.
Lets learn more about VP44 pumps below! The fuel injection pump VP44 is an electronic rotary distributor pump. The pump performs four basic functions.
It first produces the high fuel pressure required for fuel injection. The pump also meters the exact amount of fuel for each injection cycle. As the diesel fuel moves through the VP44 it is distributing the high-pressure, metered fuel to each cylinder at the precise time. The fuel pump then varies the timing relative to your Cummins engine speed.Custom grips 1911
The most common cause of VP44 failure is to lack of fuel. Dodge trucks Unlike most injection pumps the VP44 is fuel cooled and lubricated. Therefore, if its fuel supply comes from a weak lift pump, it is very easy for the VP44 to overheat and cause damage to itself. This lack of fuel results in one of two types of failure within the VP One is that the diaphragm inside of the pump is damaged and does not allow the pump to build up the appropriate amount of pressure.
The second is that the overheating causes the computer portion of the pump to also overheat and thus, creates a communication failure between the ECM and the Injection pump. The most common mechanical failure of the VP44 pump is rupturing of the diaphragm in the front of the injection pump.
The diaphragm ruptures allowing the timing piston to vibrate and damage the front cover until fuel bypasses. This will cause the dreaded check engine trouble code P The rupturing of the diaphragm is caused by a poorly designed lift pump. Dodge has recognized this problem as they will no longer even sell the lift pump that goes on the side of the block; they replace it with a unit that is now mounted in the tank.
A seized rotor is a common problem with trucks or ones with a rebuilt pump without an upgraded rotor, coating, and distributor. This mechanical failure of the VP44 is located in the head of the pump and is a communal problem that has plagued the Cummins engines for a long time. This is a problem in the machining, but has been phased out in later years of production.
A seized rotor can be contributed to the lift pump not providing enough fuel to the injection pump.This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. The powertrain control module takes an input from multiple sensors in order to adjust the fuel amount, fuel trim, and fuel timing. The sensors that have an effect on the fuel injection timing would be the camshaft position sensor and the crankshaft position sensor, since these sensor inputs are also taken into consideration for regular engine timing as well.
The P code may have many of the same symptoms of a code that suggests the vehicle has a crankshaft position sensor or camshaft position sensor issue. These symptoms would include:. A mechanic diagnoses the P code by using service information to locate the crankshaft position sensor and the camshaft position sensor s on the engine being diagnosed. Once these sensors are located, the mechanic would inspect them and their wiring for any damages that may exist.
If any damages are found during this inspection, the mechanic would likely replace whichever sensor was damaged or repair the wiring that is associated with it. If no issues were found during this inspection, the mechanic would then use a high tech scan tool to run data on the engine while it is running.
The mechanic would notice any changes to the fuel input and timing on the scan tool. After verifying that the fuel injection timing is indeed incorrect and also confirming that the crankshaft and camshaft position sensors are operational, the mechanic may then replace the powertrain control module.
Novice mechanics may assume that the powertrain control module has failed due to the fact that is is responsible for controlling the fuel injection timing.
These mechanics do not take into consideration that the powertrain control module is able to carry out this action due to the input it receives from engine sensors such as the camshaft and crankshaft position sensors. It is always recommended to consult service information when diagnosing a Check Engine Light code. The P code can range on the severity scale. If the vehicle has no negative symptoms, the driver may decide the issue is not that serious and hold off on the repair for a short time.
If the driver is experiencing any drivability issues due to this code being stored, he or she may decide to get the problem diagnosed and repaired immediately.
How serious this code is all depends on the symptoms associated with it. This code may be accompanied by other codes related to the camshaft and crankshaft position sensors. It is important to repair or correct all other issues before coming to this code as this code may have been set due to another code being set. In some instances, more than one code will apply to the same circumstance so the powertrain control module will store multiple codes. It is important to take all aspects of the situation into consideration when diagnosing this issue.
YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at With YourMechanic you can skip the auto shop altogether.
They send certified and screened mechanics straight to your door and enable you to save big on car repair and maintenance. Cost of diagnosing the P code. No more waiting rooms! Our mechanics will come to you to diagnose and fix the P code. Recent Check Engine Light is on Inspection reviews. Excellent Rating.Rhel 7 change runlevel at boot time
Average Rating 4. Number of Reviews 5, Rating Summary. Johnathon 8 years of experience.What does P Mean. TDI s : TDI s : Jetta that I fill by myself. I wash the motor down after the cleaning.
TDI s : ex- wagon, ex Jetta. Re: What does P Mean. I have this exact symptom. Flashing glowplug light and MIL showing p code. I am going to change the fuel filter because from other posts i have read the p code could be from the IP trying to pull through a restricted fuel line.
It seemed to happen when after I filled up the tank with fuel and noticed reduced acceleration that got noticeable as I drove more. The MIL light appeared immediately when I added some Diesel Kleen with the injection cleaning properties grey bottle to the tank with about miles since the fill-up.
There seems to be a hesitation in power above rpm. The motor will rev up to rpm i was just testing up to that, it could go higher without a problem.
Anyone care to opine? Changed the fuel filter. Still get the MIL on and flashing glowplug light. I have had the brake switch recall with the updated switch and my brake lights are fine. When I rev the engine up to it will go but stumbles along the way after about rpm. Drove miles after the fuel filter change. I have power overall. It's not like limp mode but i dont have near the acceleration i used to have. It is that noticeable. What are the symptoms of a clogged fuel injector?
I don't have smoke or hard starting. Anyone have an idea where I should be checking? Is there a way to see the fuel metering per cylinder? Maybe the coil that runs the circuit information to the ECU is going bad or bad or the wiring is acting up.
I had recently run out of fuel and had to loosen the nut on it to purge the air. I wonder if it had some impact on it?We can see that your guest and been lurking about. When you register on the MoparMan. Com site you'll be able to interact with all the other members. This is the most friendliest Cummins forum you'll ever join. Com this will open up many more options and functions on the website. Everyone is very friendly and helpful just ask questions and everyone will help you out the best they can.
The previous owner told me about this problemwhen the truck is running at speeds of 60 o 70 the pedal wont respond and the speed goes down and I have to lower the speed by braking or putting it on neutral and then it will respond. What do you guys think? The P means the injection pump can't advance properly.How To: Convert to P-pump (p7100 Cummins)
Unfortunately, there are no user serviceable parts in the VP44 so it will have to be replaced to solve the "dead pedal" problem. Eventually, it will die all together and wont restart. I ran with a P for nearly a year, with intermittent dead pedal and hard starting, before the injection pump finally quit completely.
He has an Airdog so I figured he had good pressure. But, while we are there when was it put on? I don't have an airdog on this one this is the new truck I just bought 5 spd 4x4 withmiles.Rlcraft modpack download
I am planning in putting a temporary fuel pressure tomorrow and was wanting to see if I could tap it on top of the fuel filter is that possible in this year?
Is there any thing I can do to the pump before it dies 2 cycle oil anything? You can post now and register later. If you have an account, sign in now to post with your account. Paste as plain text instead. Only 75 emoji are allowed.
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