Td5 cutting out or not starting (fuel delivery)
Safety or reliability risk. Fix promptly.
Symptoms
Cranks but will not start, cuts out on the move, lack of power, no buzz from the fuel pump with the ignition on.
Likely cause
The Td5 uses an electric pump in the tank. Pump failure, a blown fuel pump relay, split fuel lines or a leaking fuel pressure regulator on the head are common.
Suggested fixes
Listed roughly in the order most owners try them.
- 1
Check the fuel pump relay and fuse
Swap the relay with a known good one and listen for the pump priming.
- Difficulty:
- Easy DIY
- Cost:
- £ (Under about £50 in parts)
- 2
Replace the in-tank fuel pump
Access is through the tank. Fit a quality pump and new sealing ring.
- Difficulty:
- Moderate DIY
- Cost:
- ££ (About £50 to £300)
- 3
Fit a new fuel pressure regulator
The regulator on the back of the cylinder head often weeps. Replace it with new seals.
- Difficulty:
- Moderate DIY
- Cost:
- £ (Under about £50 in parts)
This is general guidance gathered from owner experience and workshop practice, not a substitute for a workshop manual or a qualified mechanic. Costs are rough parts-only guides. Brakes, steering and suspension work affects safety, so if in doubt have it checked professionally.