03' F350 7.3 fuel injectors - Ford Powerstroke Diesel Forum
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Old 03-04-2012, 08:50 AM
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03' F350 7.3 fuel injectors

A friend told me on the 7.3L that when you start it, while the globe plug is on, the injectors should make a "purrrring" sound. This is not to be confused with the fuel pump. Is this correct? He said if they don't, the injectors should be pulled and checked or replaced.
Also I have been thinking of putting a tuner on my truck for towing and fuel milage.I want the shop to dyno the stock set up and create a baseline. Any recommendations for what the 7.3L would like best?
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fuel injectors, tuner

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