P1248 – Fuel Delivery Error
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Symptoms
- Loss of power
- Hesitation
- Surging
- Hard starting
- Check engine light
Causes
- Weak fuel pump
- Clogged filter
- Fuel restriction
- Leaking injectors
- Incorrect fuel type
Diagnosis
- Measure fuel pressure
- Inspect filter
- Check lines for kinks
- Inspect injectors
- Scan fuel trims
Repair
- Replace fuel pump
- Replace fuel filter
- Repair lines
- Service injectors
- Drain and refill with correct fuel