Operate the vehicle within the conditions for which the customer complaint occurred. If its not plugged in it defaults to max fuel pressure. The fuel pressure test kit is a needed tool for accurate diagnosis of P0088. If I had to guess I would say this is your whole problem you have been having for a while, its just that it finally got bad enough to set a code. Jun 21, 2012 who did a conversion on this truck???? The adjusts the fuel rail pressure by modulating the duty cycle of the control driver of the fuel pressure regulator. If the Actual Fuel Rail Pressure is less than the Desired Fuel Rail Pressure, refer to Fuel System Diagnosis - High Pressure Side. A fuel filter replacement might be required sooner than the recommended interval.
I bought it in the States and had it shipped to my country Guatemala , so there are not a lot of mechanics that can help me here. Do you have any idea what this means? Does the vacuum measure less than the specified value through the entire operating range 12 in? It is my first diesel. Either way tho it prob bad, so change it out and see what it does. Refer to Fuel System Diagnosis - High Pressure Side. It is made to properly fit on the 6. Im not saying this is your problem just sharing what ive seen in the past. Sent from my iPhone using Tapatalk do you have a way to check rail pressure? Replacement of the fuel filter is good for general maintenance, so start by changing it.
Need help with a P0088 code? The value should be between 1-4 inches Hg vacuum. Step 17: Observe the Capture Info with a scan tool. The step can fuel filter is described in bulletin 04-06-04-070. The fuel pressure sensor is on the driverside near the fuel block I believe. Or is the fuel rail pressure sensor different? If an injector sleeve becomes loose or dislodged when replacing injectors, inspect the cylinder head to sleeve mounting surfaces.
Start and run the engine at idle. Observe the Actual Fuel Rail Pressure parameter. Could this be a vacuum leak, fuel pressure rail regulator, engine control module? Fixed any updates on this I'm having same issue rail is pegged at 26k and goes right into limp mode but mine doesn't lope all the time. Could it cause this too? P0093 code definition Fuel System Leak Detected Large Leak What the P0093 Code Means A code exists for a large leak, small leak, and very small leak. The tags found in the replacement injector box must be completed and attached to each injector.
Bad enough where on the upward part of the lope it would smoke black and rattle. Fuel spools the turbo, to an extent. YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Ill pick another one up here soon. Mine was the sensor next to the fuel rail.
After replacing the injectors, perform the following steps: Install all disconnected and removed components. What happens is: -truck starts and check engine light comes on -truck is in limp mode -shut truck down, wait a few minutes -start up and truck is out of limp mode -after 3-5 engine starts the check engine light goes out and the idol smooths out -then two days later it starts over again I used a code reader and it is telling me code P0088, if I clear the code the idol will smooth out. Ill pick another one up here soon. Normal fuel system vacuum readings may vary depending on fuel filters used. Test Procedure This example diagnosis is from a 2004 Chevy 6.
Step 4: Check the engine oil for fuel contamination. Bad enough where on the upward part of the lope it would smoke black and rattle. If I had to guess I would say this is your whole problem you have been having for a while, its just that it finally got bad enough to set a code. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Aug 20, 2017 Very odd. Ive seen it on a lly where head gaskets were changed and after the truck would start but have a severe lope.
Fuel spools the turbo, to an extent. This high fuel pressure is detected by the fuel pressure sensor located on the fuel rail. P0088 can be a serious code but one that is not seen very commonly. Step 5: Install the J 44638 Vacuum Gauge or aftermarket equivalent on the fuel fitting located on the right side front of the engine. Correction Important: Before the technician begins diagnostics and repair, be sure to follow the guidelines in Corporate Service Bulletin Number 03-06-04-036 A to avoid fuel system contamination. This issue is as simple as locating the fuel leak and having it repaired. If a technician is diagnosing a low pressure trouble code of P0087 P0088 P0093 or P1093 with a slightly high fuel system vacuum reading, suspect the fuel filter restriction first.