Which Scangauge II gauges are you monitoring?
I have been using mine for years and really only keep it on MPG, VOLTS, TRANSMISSION TEMP and COOLANT TEMP. I did have it on RPMs for a while but saw no use. My 03 has no tach either. I don't like t...
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Monitor GPH, which is fuel consumption, instantaneous. All you need to know. Look at your MPH on the dash gauge, and divide by GPH and you'll know your intantaneous MPG.
I monitor all kinds of different parameters on my TDI... Turbo boost pressure, Exhaust Gas Temperature, Diesel Particulate Filter temperature, and Soot Load % in my DPF, which tells me when a DPF regeneration burnoff is about to, or is occuring, usually close to 90 to 95% when it cooks off the carbon, EGT's and DPF temp hit 1200F, you don't want to stop driving with that kind of heat up against the firewall, need to keep air circulating under the hood for a good 5 to 10 minutes afterwards to get rid of the heat soak surrounding the turbocharger and bearings, so the oil doesn't burn and coke in there... no synthetic motor oil can withstand that kind of heat, without burning up, so you drive until the regen is over 5 to 10 minutes, keep the air from motion moving over the extremely heated up parts.
I monitor all kinds of different parameters on my TDI... Turbo boost pressure, Exhaust Gas Temperature, Diesel Particulate Filter temperature, and Soot Load % in my DPF, which tells me when a DPF regeneration burnoff is about to, or is occuring, usually close to 90 to 95% when it cooks off the carbon, EGT's and DPF temp hit 1200F, you don't want to stop driving with that kind of heat up against the firewall, need to keep air circulating under the hood for a good 5 to 10 minutes afterwards to get rid of the heat soak surrounding the turbocharger and bearings, so the oil doesn't burn and coke in there... no synthetic motor oil can withstand that kind of heat, without burning up, so you drive until the regen is over 5 to 10 minutes, keep the air from motion moving over the extremely heated up parts.
