You can rent a fuel pressure gauge from a parts store and interrupt the fuel line at the engine. here is a guide to help with directions below to show you how on your car:
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Fuel System Pressure .................... 400 ± 34 kPa (58 ± 5 psi)
SYMPTOM
CHECKING FUEL DELIVERY
POSSIBLE CAUSES
- Fuel pump relay
- Fuel pressure out of specs
- Restricted fuel supply line
- Fuel pump inlet strainer plugged
- Fuel pump module
- Fuel delivery system operation
- Fuel pump relay fused B+ circuit
- (A141) fuel pump relay output circuit open
- (Z1) fuel pump ground circuit open/high resistance
- Fuel pump module
Check out the diagrams (below). Please let us know what happens.
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Monday, March 28th, 2022 AT 9:20 AM