How to Detect Leaking Fuel Injectors
Symptom
Upon restarting an L98 after it has been standing for a while it cranks for a longer time than if started when totally cold or very soon after shutting it off.
Test
Before starting the warm engine, with the ignition key off, hold the accelerator full open for say 30-60 seconds.
Release the accelerator, and start the engine
.
If it now starts quickly, the problem is a leaking fuel injector.
Acknowledgement
This diagostic tip came from Gordon Killebrew during an instruction session at Corvettes at Carlisle 2001.
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