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Hi - Vauxhall Tigra 1.4 Ecotec, 1999, engine stopped. Breakdown guy said fuel pump but pump tested and running. No power to fuel injection fuse (26). If I shunt power to the fuse I'm getting fuel pressure to the injector rail, cambelt OK, and all leads/plugs are sparking healthily. Relays above ECU swapped out but no difference. Can anyone offer advice? Thanks - Gary

Submitted: 350 days and 12 hours ago.

Category: UK Car

Value: $36

Status: AWAITING CUSTOMER ACTION

1999 Vauxhall Tigra 1.4 Ecotec

Already Tried:
Checked fuel pump OK, checked fuel is under pressure at injector rail, ensured plugs are sparking. No fuel on plugs. Fuel Injection fuse has no power to it. Swapped FI relay but no change.

Answer

Hi gary welcome to JA

Would a wiring diagram be of any use to you?

Fuse 26 is fed via fuel pump relay K20 have you tested the pins in box for ignition and battery feed and ecu earth?

Tiga has had several faults for non starting/poor running faults such as ignition coil earth connection, coolant sensor wiring and sensor failure.

Let me know results of testing relay circuit so i can help you

Accepts:
Expert:	auto-andy
Pos. Feedback:	100.0 %
Answered:	12/7/2008

technician & lecturer

28+ year experience cars, trucks & bikes

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1999 Vauxhall Tigra 1.4 Ecotec Already Tried: Checked fuel pump OK, checked fuel is under pressure at injector rail, ensured plugs are sparking. No fuel on plugs. Fuel Injection fuse has no power to it. Swapped FI relay but no change.

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1999 Vauxhall Tigra 1.4 Ecotec

Already Tried:
Checked fuel pump OK, checked fuel is under pressure at injector rail, ensured plugs are sparking. No fuel on plugs. Fuel Injection fuse has no power to it. Swapped FI relay but no change.