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3-56 FUEL SYSTEM (DFI)
Low Engine Oil Pressure (Service Code/Character-72/OILP)
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If the service code is displayed, check the doubtful parts referring to the following table.
Possible Causes Action (Chapter)
Oil leak Inspect (see 4 chapter)
Engine oil level too low Inspect (see 4 chapter)
Engine oil viscosity too low Inspect (see 4 chapter)
Oil filter clogged Clean (see 4 chapter)
Oil pressure switch damaged Inspect (see 3 and 14 chapters)
Oil cooler clogged Inspect (see 4 chapter)
Camshaft bearing worn Inspect (see 6 chapter)
Crankshaft bearing worn Inspect (see 8 chapter)
Oil pressure relief valve stuck open Change (see 4 chapter)
Oil pump damaged Change (see 4 chapter)
Oil screen clogged Clean (see 4 chapter)
O-ring at the oil passage in the crankcase damaged Change (see 4 chapter)