Poor fuel mileage/Starting
Being Evaluated
Joined: Feb 2010
Posts: 1,905
Likes: 15
From: Buffalo, NY
Lets compare apples to apples here rather then apples to peanuts...
Your 94.5 has AA or AO injectors, which while being single shots also only flow about 90cc per 1000 shots...
His 97 has AB injectors which flow 120-130cc per 1000 shots.
His truck will also product about 30 more hp then yours on the dyno.
Swapping to single shots can lead to better MPG, if your going from a 140cc split shot to a 160cc single shot, but I would not count on it.
Need to get the truck on a scanner, could be many different things, Low HPO, Injector O rings, High Pressure Oil pump... Could be as simple as a bad fuel filter.
Your 94.5 has AA or AO injectors, which while being single shots also only flow about 90cc per 1000 shots...
His 97 has AB injectors which flow 120-130cc per 1000 shots.
His truck will also product about 30 more hp then yours on the dyno.
Swapping to single shots can lead to better MPG, if your going from a 140cc split shot to a 160cc single shot, but I would not count on it.
Need to get the truck on a scanner, could be many different things, Low HPO, Injector O rings, High Pressure Oil pump... Could be as simple as a bad fuel filter.
Being Evaluated
Joined: Feb 2010
Posts: 1,905
Likes: 15
From: Buffalo, NY
Thats funny.. my lifted AUTOMATIC 7.3 w/ 35" mud tires gets better mileage than my 2wd 5spd 12v cummins got. And it's been more reliable w/ 1/3 the problems my cummins had.
Last edited by 95powersmoker; May 15, 2012 at 09:03 PM. Reason: No need to add fuel to the fire...
Thread Starter
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Diesel Enthusiast
Joined: Sep 2011
Posts: 172
Likes: 2
From: Yreka CA Northern CA
I think i found out why im gettin such crappy milaege. I know for a fact that my front two calipers are stuck. Do i have to buy new calipers or is there a way to fix them?
