Quote:
Originally Posted by 907dave
Have you checked ICP under load?
Low ICP will cause the fuel to be injected at a lower pressure and will not atomize correctly. This will give you an inefficient burn resulting in black smoke.
Borrow some type of scanner or make a mechanical gauge to check it. If it will not hold 2800-3000 psi more than likely your pump is weak, or you have an HPO leak.
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I checked and at WOT it was above 2700 psi at a 40% duty cycle. Mike