Dodge R1500 1999 Service Manual page 283

VISUAL INSPECTION
1) Check Water-In-Fuel (WIF) sensor electrical connector for
corrosion, damaged terminals or wiring and tight fit on engine wiring
harness. WIF sensor is located in bottom of fuel filter/water
separator. See Fig. 1.
2) Check for water in fuel filter/water separator by placing
drain pan below drain tube at fuel filter/water separator. See Fig. 1.
3) With engine not running, rotate handle on drain valve
forward, toward front of vehicle to OPEN position. Drain valve is
located near top of fuel filter/water separator. See Fig. 1. Drain
water from fuel filter/water separator.
4) If no water exists and a clean flow of diesel fuel exists,
rotate handle on drain valve back to CLOSE position. Go to next step.
If water exists, allow water to drain until clean flow of diesel fuel
exists. Rotate handle on drain valve back to CLOSE position. Go to
next step.
5) Verify fuel filter/water separator has been serviced
according to proper service schedule. See SERVICE & ADJUSTMENT
SPECIFICATIONS - TRUCKS article.
6) Check color of Filter Minder. Filter Minder is located on
top cover on air filter housing, just above air filter. DO NOT remove
air filter from air filter housing for inspection. If Yellow disc in
Filter Minder has reached Red zone, remove and inspect air filter. See
Fig. 2. If air filter is dirty, replace air filter and reset Filter
Minder by pressing rubber button on top of Filter Minder.
NOTE: The Yellow disc in Filter Minder may reach Red zone if air
intake is restricted or air filter has become wet during
heavy rain or snow. If air filter has become wet, allow air
filter to dry during normal engine operation and reset Filter
Minder by pressing rubber button on top of Filter Minder.
7) Ensure intercooler inlet and outlet duct clamps are tight
and front of intercooler is not restricted with dirt. See Fig. 3.
Fig. 2: Identifying Filter Minder Components
Courtesy of Chrysler Corp.