How to diagnose a weak fuel pump that hasn’t fully failed.
Diagnosing a weak fuel pump, one that’s still running but can’t deliver the required pressure and volume, requires a methodical approach focused on verifying fuel pressure and flow rate against manufacturer specifications. The core of the diagnosis involves using a fuel pressure gauge to measure pressure at idle, under load, and during a flow test, …
How to diagnose a weak fuel pump that hasn’t fully failed. Read More »
