Each area must be sequentially addressed to ensure that the diagnosis is correct and the propah repair is completed.
A) Air leaks in the air pressure (switch/sensor) hose.
(Far right in below picture)
a. Inspect the hose for cracks, pin-holes or loose connection.
b. Replace the hose and harness assembly if it is compromised.
Remove that hose and blow through it. That could be all it takes folks.
B) Moisture in the air pressure (switch/sensor) hose.
a. Inspect the hose for evidence of water.
b. Replace the hose and harness assembly if water is detected.
C) Lint or junk in the air dome hose connection port.
a. Inspect the air dome hose connection port for lint or flashing.
b. Blow through the tubing to remove sediment.
D) The control needs to be replaced IF the above steps don't work.
a. Replace the control ONLY after you have completed steps A - C above, and verified that there are no issues with the air pressure system.
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