Good morning,
I would check the actual fuel pressure to be sure the pressure is correct.
Fuel Pressure
Key On, Engine Off .................... (approx.) 338 kPa (49 psi)
Note: Using the DRB Scan Tool, access ASD Fuel System Test. The ASD Fuel System Test will activate the fuel pump and pressurize the system.
Caution: When using the ASD Fuel System Test, the ASD relay and fuel pump relay remain energized for 7 minutes or until the test is stopped, or until the ignition switch is turned to the off position.
Are there any codes stored from the check engine light?
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
I would also check the compression to be sure there is nothing wrong internally. You need 140-160 pounds.
https://www.2carpros.com/articles/how-to-test-engine-compression
Roy
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Sunday, January 3rd, 2021 AT 8:19 AM