I have a 98' Suburban with 232K on the engine and 5000 miles on a new DS4 injection pump. I put in new injectors the same time as the pump. Recently I
kuhlrover Today, 22:45Instead of a fuse, stick a test light in the fuse terminals. When you activate the 4WD, if it lights brightly you have short. And, you can re-use the
JohnC 01-31-2023, 15:24Disconnect the electrical connectors at the axle, then try a new fuse. This'll let you know if it's at the axle or somewhere up the harness.
I would go with the cable system.
When you need 4x4 you need it......The Thermal systems are sketchy at best...
POSILOCK comes to mind.
Engine Stumbles at Cruise Until it Warms Up
You might try replacing the PCM temp sender. If it's flaky, it can cause the PCM to mess with the fueling when it shouldn't.
DmaxMaverick Today, 23:07Otherwise, it