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Power Strokes
94-97 Tech
Fuel Mileage questions I know I know!!
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[QUOTE="cowboy_dan, post: 62135, member: 258"] Worn out injectors could drop mileage, but I wouldn't expect it to drop that far. What are your driving conditions? In the city back & forth to work (~8 minutes), church & back (10-14 minutes), and general errand running around town (never gets over 45mph and usually not over 35mph), I get 10-14mpg depending on weather, fuel, traffic, and my own aggressiveness. Now, on the interstate with cruise set at 70, I generally get 16-18mpg. On the way from Memphis to Racine (via my parents near Indy) last week I ran 65 all the way and got 19.25. Do you have a pyrometer? If not, then get one. Unless you're getting on the interstate, keep the EGTs below 600 deg F. You'll have to back off the skinny pedal a long way to do it, but I found it still gets reasonably good acceleration in traffic at that temp. EGTs are a really good way to see how hot the cylinder is getting. Higher EGTs mean higher cylinder temp. Higher cylinder temp for the same speed means more fuel is being burned. More fuel being burned means worse fuel economy. The HPOP doesn't make much difference in mileage running around unloaded. If it did, my mileage would be in the sewer because I have a pretty weak pump. All the IPR does is regulate how much oil is allowed to be dumped back into the reservoir to maintain the desired pressure. Not much it can do to change mileage The ICP sensor is just that, a sensor. In theory it might change mileage if it were giving a false reading, but the engine would also probably run like crap or be really noisy. [/QUOTE]
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Fuel Mileage questions I know I know!!
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