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Can you turn up the injector pump on a 2001 Dodge 3500 24 valve diesel?

No, you cannot simply "turn up" the injector pump on a 2001 Dodge 3500 24-valve Cummins diesel in the same way you might be able to on some older, simpler injection systems. The VP44 injection pump used in that engine is electronically controlled. There's no external adjustment screw or lever.

Attempting to increase fuel delivery by modifying the pump itself without proper knowledge and specialized equipment is extremely risky. You could easily damage the pump, leading to catastrophic engine failure. Furthermore, simply increasing fuel without also adjusting other crucial parameters (like timing and air) will likely lead to poor performance, excessive smoke, and potentially irreparable damage.

To increase power, you should explore these options instead:

* Performance tuning: This involves using a programmer or chip to adjust the engine's parameters electronically. This is the safest and most effective way to increase power. Reputable tuners consider fuel delivery, timing, and other factors to provide a safe and reliable increase in performance.

* Performance injectors: Upgrading to larger injectors can allow for more fuel delivery, but this should be done *in conjunction with* a proper tune. Simply installing larger injectors without a corresponding tune can be very damaging.

* Air intake modifications: Upgrading the air intake system (e.g., installing a cold air intake) can allow for more airflow, which will support more fuel being burned efficiently.

Always consult with a qualified diesel mechanic or performance tuner before making any modifications to your fuel system. Improper modifications can lead to expensive repairs, or worse, complete engine failure.