Get an air pressure gauge and verify that you're getting at least 90 psi to the quick release valve when you push the yellow knob in. Its better...
Check your ride height and driveline angles.
Check the voltage drop from the batteries to the starter while you have someone crank it. Positive and ground side. Conventional diagnostics says...
Copied and pasted from the DDEC IV A&I manual: "3.16.1 Check Engine Light The CEL is controlled by the DDEC ECM. The CEL remains ON: For...
Volvo parts are comparatively expensive, (google an OEM valve cover gasket for a D13 vs a DD15) the 2015 D13 EGR and aftertreatment can prone to...
Having the correct grade of fuel will definitely help! In my experience, everything needs to be in perfect working order, and the stars need to...
I had one a few weeks ago with a sharp whistle under boost. It was a misaligned clamp at the CAC inlet. A new o-ring and clamp fixed it. Check all...
I would start by verifying the air inlet heater is working. Then connecting to the ecm with diagnostic software, and look at all the temp sensors...
It could be too many things to list. In my experience it has been wiring issues, especially the datalink between different modules on the truck....
There shouldn't be damage to the pin. Its just that the aluminum bore that the pin slides in wears, and causes the pin to stick. The technical...
I would start with checking the rear modulator valves. I'm not sure about your exact set up, but most of them share the quick release exhaust port...
Yea, that sounds like the conditions listed in the troubleshooting. Your clutch is cycling, your splitter group actuator position stays at 99% the...
Sticking split pin bushing is a common fault on that model year. You'll have to make and review a log file per the attached file. There's a...
It sounds like you might have an issue with the control signal wiring between the CLDS and PNDB. Troubleshooting attached
IDK what you mean by "legit mechanic", but it would be worth your time and money to take it to a dealer. Granted, some of them aren't worth a s***...
The 't' or splitter valve or fuel lines may be restricted on the return side. I'm not sure if that's what you meant by "valve".
Here's the service bulletin uncle Al is talking about.
It could be a few things, but if I had to bet, it would be that you have a large chunk of crystalized def in the decomp tube and a cracked doser...
Do you have any free travel in the pedal? It sounds like something is binding up in the release mechanism/linkage. As far as the overpass problem,...
That's not terrible. I imagine it still started. You can do a parasitic draw test to find out how much your batteries are being drained by things...
