Check to see if your sway bar disconnects. If not, it's most likely an issue with the Final Drive Control Module (FDCM) on the front sway bar. It controls the sway bar disconnect and both the lockers. Pull the connector off and see if there is corrosion in the connector. Sometimes you can clean...
Here's the diagram for the fuel pump. There aren't any blue wires in the power control, but it looks like it might be the dark brown/orange next to the blue wire.
I saw where you said they put in a throttle body, but didn't see where you mentioned the cam and crank sensors. Probably going to be a wiring problem.ĺ
A bad camshaft sensor could cause this. I have seen them in the past where they run a little bit, then short out and open all the injectors and continuously fire all the coils. Floods the engine and fries the coils. Quite the mess.
Less likely a crank sensor, but possible. Need to get a...
You need to do another standard bleed after doing the ABS. Here's from the shop manual;
STANDARD PROCEDURE - ABS BRAKE BLEEDING
ABS system bleeding requires conventional bleeding methods plus use of a scan tool. The procedure involves performing a base brake bleeding, followed by use of the...
You can see in the wiring diagram how the power is provided by which slot you have it in, 90 or 91. That power is routed either to the back of a center console or to the power block inside the fold down center armrest. Since a 2018 Power Wagon doesn't have the center console it's the block in...
I have the same issue In Colorado with the concrete roads. I concur with the above. I run tire pressures at 40/35, but the biggest difference was made when I changed the stock Bilstein 4600 shocks. I tried the 5100 shocks first and that helped quite a bit, but when I upgraded to the Thuren...
This has all the symptoms of a worn or loose track bar. If the bushings are shot or the bolts are loose, the axle can actually move and cause the thump you are hearing in addition to the poor steering. If you remove the track bar for inspection, the torque on the bolts is 200 ft. lb. when...
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