What are the implications of running out of water/methanol mixture?
The impact largely depends on your current tuning settings and how you utilize the system.
For instance, if your current tune is mild and your truck runs well with acceptable Exhaust Gas Temperatures (EGTs), some argue that water/methanol may not be necessary.
However, many still choose to use it due to its proven benefits, such as reducing EGTs, improving fuel economy, cleaning properties, and enhancing overall efficiency and power.
If you run out of water/methanol mixture, you have a few options. You could drive to the nearest service station and use washer fluid as a substitute, or go to a hardware store to purchase methanol/methyl hydrate and distilled water to mix your own on the spot. Alternatively, you can simply turn off the system and drive carefully without it.
On the other hand, if you're running a high-performance tune that heavily relies on water/methanol, it's advisable to carry extra mixture with you and refill when necessary, or consider using a larger tank to ensure an uninterrupted supply.