Engine Error
P0090
Fuel Pressure Regulator 1 Control Circuit
Severity
High
Symptoms
Engine stalling, hesitation on acceleration, check engine light
Common Causes
- Failed electronic fuel pressure regulator
- Open or short in regulator wiring harness
- Corroded electrical connector
- PCM fault
How to Fix
- 1 Test regulator resistance and replace if faulty
- 2 Repair damaged wiring harness
- 3 Clean connector contacts
- 4 Test PCM output voltage
Estimated Repair Cost
USD
$150
–
$450
Fuel pressure regulator replacement: $150 - $450