Seat Ibiza seat ibiza 1.6 tdi car wont start just turns over when it does try it runs for around 20 seconds then dies

" car came to me with a failed injector " are you trying to fix the car for someone ? Was the car running prior to replacing injector .

Its a customers car. Yes the car was running but very rough.

Few fuses related o your problem that need checking , also try some engine east start to get it running . Check crank sensor and wiring Seat Ibiza (2011) – fuse box diagram Year of production: 2011 Fuses on left side of dash panel Number Component Ampers 1 Power steering/Engine operation 7,5 2 Diagnostics/Heater/Autoclimate/Climatronic/Electric anti-dazzle mirror/Navigator/Air conditioning pressure switch/ Climate fan/ Kisi/ AFS Control unit/Coming home relay/Soundaktor 10 3 Petrol engine control unit/Flow meter/Diesel engine control unit/Relay coils/Engine operation/ Bi-turbo fuel control unit 5 4 ABS/ESP switch (turning sensor)/Light lever 10 5 Reverse light/Heating nozzles 10 6 Instrument panel 5 7 Rear fog light 5 8 — — 9 Headlight lever 10 10 Headlight lever/Clutch (Petrol)/Brakes (all) 5 11 Airbag control unit 5 12 Automatic gearbox/ Headlight lever 10 13 Exterior mirror control 5 14 Left-hand AFS headlamps 15 15 Right-hand AFS headlamps 15 16 — — 17 Number plate light /Dimmer /Side light indicator light 5 18 Dimmer 5 19 Electronic control unit 5 20 Turn signals 15 21 Lights control, instrument panel 5 22 Electronic control unit, heated mirrors 5 23 Engine injection module/ Rain sensor/ Automatic gear lever/ Starter relay 7,5 24 Glove compartment light, luggage compartment light, interior light 10 25 Parking aid 5 26 Towing hook 27 — — 28 Lambda probe 10 29 Engine power supply 20 Vacuum pump (LPG) 15 30 Petrol engine operation 10 31 Petrol engine operation/Glow plugs/Relay coil/Bi-turbo electric fan 10 32 Engine control unit 15 33 Clutch switch power supply/ Preheating relay/Servo sensor 5 34 Fuel control unit / Bi-turbo engine supply 15 35 — — 36 Main beam headlight, right 10 37 Left main beam / Coming Home / Main beam relay (automatic switching on of lights) 10 38 Electric fan motor 30 39 — — 40 12 Volt Input/Cigarette lighter 15 41 Heated seats control unit / Cup Holder 25 42 Horn 20 43 Panoramic roof 30 44 Windscreen wipers 20 45 Heated rear window 20 46 Radio / VDA telephone / Bluetooth / Steering wheel controls / DC/DC converter for Start/Stop 20 47 Climatronic/autoclimate 5 48 Locking unit 25 49 Front electric window 30 50 Rear electric windows 30 51 Automatic gearbox control unit 30 52 Alarm/Volume sensor 15 53 Electro-kinetic pump relay/bi-turbo fuel control unit 15 54 Reverse light for automatic gearbox, fog light 15 55 Transformer on 15 20 56 Rear window wiper 10 57 Dipped beam headlight (right side) 15 58 Dipped beam headlight (left side) 15 Fuses below steering wheel in relay holder PTC fuses Number Component Ampers 1 Supplementary electrical heating using air 40 2 Supplementary electrical heating using air 40 3 Supplementary electrical heating using air 40 AUX 1 Fuses Number Component Ampers 1 Left daytime light AFS lamp 15 Navigator, Bluetooth, MDI, radio control lever 20 2 Right daytime light AFS lamp 15 Instrument panel / ESP relay 5 3 Headlight washer pump 20 AUX 3 Fuses Number Component Ampers 1 Trailer control unit 15 2 Trailer control unit 20 3 Trailer control unit 20 Fuses in engine compartment above battery Non-Metal fuses Number Component Ampers S1 ABS unit 25 S2 Electroblower climate heater/fan 30 S3 Automatic gearbox control unit 30 S4 ABS unit 10 S5 Electronic control unit 5 S6 Injection module 30 WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.