Table of Contents
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1 Discharged batteries
2 Poor contact/open circuit in cables
3 Main switch turned off
4 Main automatic breaker defective
5 Defective ignition switch
6 Defective main relay
7 Defective starter motor/solenoid valve
8 Lack of fuel:
– fuel taps closed
– fuel tank empty/wrong tank connected
9 Blocked secondary fuel filter/ primary filter (due to contamination, stratification due to low fuel level)
10 Air in the fuel system
11 Water/contaminants in fuel
12 Faulty injector
13 Insufficient air supply to engine:
– blocked air filter
– air leakage between turbo and inlet manifold
– dirty compressor section in turbocharger
– defective turbocharger
– poor engine bay ventilation
14 Excessive coolant temperature
15 Coolant temperature too low
16 Oil level too low
17 Coolant level too low
18 Air in cooling system
19 Faulty circulation pump
20 Defective thermostat
21 Blocked charge air cooler
22 Oil level too high
23 Alternator drive belt slipping
24 Water entry into engine
25 High back pressure in exhaust system
26 Break in "Pot+" cable to pedal
47711097 09-2018 © AB VOLVO PENTA
Fault handling
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