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Fuel Adjustment

Getting the best performance from your Isuzu
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britguy
Posts: 1
Joined: Wed Jul 02, 2025 3:06 pm

Fuel Adjustment

Post by britguy »

https://i.ebayimg.com/images/g/lfMAAOSw ... -l1600.jpg

My first post here !
Currently having a Turbo added to a N/A 4HG1 engine.
The link above shows a photo of the same type of injection unit that mine has, with what I assume is a electronic variable fuel adjuster at the rear of the unit.
Does this mean that we cannot manually adjust the fuel to compensate for the new turbo?

Any advice and help would be very much appreciated.
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