Faults, Causes and Remedies 7.1 Fault Table Engine does not start or is difficult to start P Engine starts, but runs irregularly or fails E W Engine output is deficient R A S P P P A S P/E P W P/W P/W P P/E P/R P/R P/R P/W P P Faults 7 © 2001 Faults Measures Engine does not start or is difficult to start Engine starts, but runs irregularly or fails Engine overheats, temperature warning system responds Engine output is deficient Engine does not run on all cylinders Engine oil pressure is non-existent or excessively low Engine oil consumption excessive Engine smokes - blue - white - black Cause Check P Engine starts, but runs irregularly or fails Engine overheats, temperature warning system responds Engine output is deficient Engine does not run on all cylinders Engine oil pressure is non-existent or excessively low Engine oil consumption excessive Engine smokes - blue - white - black Cause Adjust E Engine overheats, temperature warning system responds Engine output is deficient Engine does not run on all cylinders Engine oil pressure is non-existent or excessively low Engine oil consumption excessive Engine smokes - blue - white - black Cause Replace W Engine output is deficient Engine does not run on all cylinders Engine oil pressure is non-existent or excessively low Engine oil consumption excessive Engine smokes - blue - white - black Cause Clean R Engine does not run on all cylinders Engine oil pressure is non-existent or excessively low Engine oil consumption excessive Engine smokes - blue - white - black Cause Top up A Engine oil pressure is non-existent or excessively low Engine oil consumption excessive Engine smokes - blue - white - black Cause Reduce S Engine oil consumption excessive Engine smokes - blue - white - black Cause Engine smokes - blue - white - black Cause - white - black Cause - black Cause Cause Section ● Not declutched (where possible) Engine Operation P ● ● Below starting limit temperature P ● ● Engine shut-off lever still in stop position (shut-off magnet defective) P ● ● Oil level too low A ● ● ● ● Oil level too high S ● ● ● Excessive inclination of engine P/E ● ● Engine runs mainly with low load P ● ● ● ● ● ● Air cleaner clogged / turbocharger defective Combustion air W ● ● ● Air cleaner service switch / indicator defective P/W ● CPD defective (connection line leaks) only with turbocharged engines P/W ● ● ● Exhaust gas backpressure too high P ● ● Charge air line leaking, only with supercharged engines P/E ● Cooling fins soiled Cooling system P/R ● ● ● Intercooler soiled P/R ● ● Oil cooler soiled on the air and/or the oil side P/R ● Cooling fan or exhaust tension defective, torn or loose V-belt P/W ● Cooling air temperature rise / heating short circuit P ● Cooling air guide loose, torn or missing P