Volkswagen tdi 4 2l v8 diesel marine engine service repair manual

Page 22

3

Marine Boat Engine 2011 ▶ 8-cylinder diesel engine (4.2 l engine, common rail) 05.2011

Output on ScanDi tool / VAS 5052

Possible cause of fault

Possible effects

Fault remedy

xxxxx

◆ Max./Min. recovery occurred

◆ Engine stalls

– Erase fault and try to start again

B0273

ECU

– Replace control unit if fault appears again 16496

P0112

◆ -G42- defective

Intake air temperature sender ◆ Wiring defective -G42- signal too low

16497

P0113

◆ -G42- defective

Intake air temperature sender ◆ Wiring defective -G42- signal too high

16501

P0117

◆ -G62- defective

Coolant temperature sender -G62- signal too low

◆ Wiring defective

16502

P0118

◆ -G62- defective

Coolant temperature sender ◆ Wiring defective -G62- signal too high

16565

P0181

◆ -G81- defective

Fuel temperature sender -G81- implausible signal

◆ Wiring defective

16566

◆ -G81- defective

P0182

Fuel temperature sender -G81- short to earth

◆ Wiring defective

16567

P0183

◆ -G81- defective

Fuel temperature sender -G81- open circuit / short to positive

◆ Wiring defective

12

Repair Group 01 - Self-diagnosis

◆ Replacement value 50 °C

– Check wiring and -G42- ⇒ Page 302

◆ Possible formation of smoke

– Check central earth point / earth connections

◆ Replacement value 50 °C

– Check wiring and -G42- ⇒ Page 302

◆ Possible formation of smoke

– Check central earth point / earth connections

◆ Replacement value 90 °C

– Check wiring and -G62- ⇒ Page 297

◆ Poor cold starting ◆ „Knocking“

– Check central earth point / earth connections

◆ Replacement value 90 °C

– Check wiring and -G62- ⇒ Page 297

◆ Poor cold starting ◆ „Knocking“

– Check central earth point / earth connections

◆ Replacement value 40 °C

– Check wiring and -G81- ⇒ Page 300

◆ Increased exhaust emissions

– Check central earth point / earth connections

◆ Replacement value 40 °C

– Check wiring and -G81- ⇒ Page 300

◆ Increased exhaust emissions

– Check central earth point / earth connections

◆ Replacement value 40 °C

– Check wiring and -G81- ⇒ Page 300

◆ Increased exhaust emissions

– Check central earth point / earth connections


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