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Fuel log graph
Efficiency log for: The Truck - 2000 Chevy S10 Extended Cab
  • Lifetime Fuel Economy: 23.19
  • 90-day Fuel Economy: 24.6
  • 3-tank Fuel Economy: 24.79
  • EPA Rating (% over): 19 (29.4737%)
  • Total fills: 51
  • Average cost per gallon: $1.99
  • Average cost per fill: $28.86
  • Average cost per mile: $0.09Total gallons used: 717.88
  • Total miles traveled: 16645.4
  • Total cost: $1428.58
  • Total saved: 158.19 gallons
  • Total saved: $314.8
  • Average tank distance: 326.38
Fill date Distance Fill amount Price MPG Details
2009-08-10 351.4 mi. 15.3 US gal 22.97 US
2009-07-24 330.1 mi. 14.7 US gal 22.46 US new commute - only ~ 7 miles half of old commute
good for fuel usage - bad on MPG
need to address warmup fuel usage
2009-07-04 282.8 mi. 8.9 US gal 31.78 US All highway
trip up was 33mpg on SG
tough head wind on return trip
2009-07-02 131.2 mi. 6.4 US gal 20.5 US top off for road trip
lot of short trips - but this seems too poor for no reason
filling error?
2009-06-25 377.8 mi. 14.3 US gal 26.42 US ~120 miles highway
2009-06-13 362.8 mi. 14.95 US gal 24.27 US SG reporting tank mpg 23.9
2009-06-01 369.3 mi. 15.1 US gal 24.46 US SG reporting 24.9 mpg
2009-05-18 364.6 mi. 14.56 US gal 25.04 US Scan gauge right on and locked at -21.7%
2009-05-05 347.9 mi. 13.9 US gal 25.03 US definitely the scan gauge correction is off
still dialing back in
2009-04-21 374.8 mi. 14.1 US gal 26.58 US I believe this is a slight fill-up anomaly
But truck is running well
steady state performance issues is due to ECU reset
never properly reset the scan gauge correction
after disconnecting battery - Doh!
I feel I am close to baseline - let the mods continue!
2009-04-11 340 mi. 15 US gal 22.67 US Still not getting good numbers in steady state tests
something still not right - but truck running fine
not sure I want to dismantle the injectors or not
2009-03-30 339 mi. 14.8 US gal 22.91 US injector cleaner in last of tank
2009-03-16 359 mi. 14.6 US gal 24.59 US
2009-03-05 328 mi. 14.4 US gal 22.78 US
2009-02-24 355.3 mi. 14.7 US gal 24.17 US FE up?? Warmer weather?
2009-02-16 313.9 mi. 14.1 US gal 22.26 US
2009-02-05 331 mi. 14.6 US gal 22.67 US running smoother - FE still low??
2009-01-26 346.7 mi. 15.6 US gal 22.22 US Reset ECU - still not quite right
2009-01-13 343 mi. 15.6 US gal 21.99 US Rough Idle?
2009-01-02 316.5 mi. 14.4 US gal 21.98 US Rough Idle ?
getting code for 3rd cylinder misfire
but got better (healing )
2008-12-12 334.4 mi. 14.6 US gal 22.9 US cold & snow
2008-11-30 379.4 mi. 14.6 US gal 25.99 US above average highway miles on this tank
2008-11-20 359.5 mi. 14.6 US gal 24.62 US getting cold - effecting startup MPG
2008-11-14 342.2 mi. 14.3 US gal 23.93 US
2008-11-05 372.8 mi. 14.4 US gal 25.89 US good weather no mech issues
2008-10-29 344.5 mi. 14.5 US gal $1.99 23.76 US tranny fixed - but some freezing weather
hope this is not the future for winter MPG
gas price is right though
2008-10-17 323 mi. 14.2 US gal 22.75 US +50 miles of limp mode (stuck in 3rd gear)
2008-10-02 328.3 mi. 14.3 US gal 22.96 US transmission issues
intermittent limp mode
2008-09-23 342.2 mi. 13.9 US gal 24.62 US Belly pan under front bumper and forward engine by end of tank
2008-09-11 347 mi. 14.1 US gal 24.61 US
2008-09-04 351 mi. 15.1 US gal 23.25 US first half of tank was a struggle for some reason
air dam installed just at the end of this tank
2008-08-25 350 mi. 14.6 US gal 23.97 US hoping for better
had a few no A/C days
unheard of during August in Kansas
2008-08-16 319 mi. 14.2 US gal 22.46 US ??? but transmission now fixed
2008-08-08 234 mi. 9.4 US gal 24.89 US
2008-08-03 341 mi. 14.2 US gal 24.01 US 150 miles of highway testing
+20 miles of 18 mpg limp mode
transmission issue
2008-07-30 291 mi. 12.1 US gal 24.05 US
2008-07-25 348 mi. 14.4 US gal 24.17 US Now have all 4 smooth wheel covers on
4 days between fill ups - need to ecomod my milage
2008-07-21 349 mi. 14.1 US gal 24.75 US 100 miles of highway - mini road trip
2008-07-14 314 mi. 14.1 US gal 22.27 US RH wheels now have smooth covers
2008-07-06 328 mi. 14.5 US gal 22.62 US
2008-06-27 312 mi. 14.5 US gal 21.52 US Getting Hot - A/C hurting FE
but better than it would be without mods
2008-06-20 354 mi. 14.6 US gal 24.25 US surprised - this is with almost continuous A/C use, but I am learning how to stay cool and minimize fuel burn with scangauge.
Drained differential and refilled with synthetic during this tank.
2008-06-14 278 mi. 13.1 US gal 21.22 US Electric fan mod installed - highly recommend this mod, obvious (but mild) performance boost, and I can now see the front of the engine and hear it without that stinking clutch fan in the way making noise.
2008-06-06 302 mi. 14.6 US gal 20.68 US
2008-05-29 271 mi. 14 US gal 19.36 US Insulated intake - but this tank convinced me to remove it. I may re-insulate later in conjunction with ECU tune. This was the first tank with significant air-conditioning use and I now know (by way of the scan gauge) A/C was the main culprit.
2008-05-21 335 mi. 13.5 US gal 24.81 US Scangauge installed, new intake, 100 miles of testing - steady state driving. This tank is an anomaly.
2008-05-15 306 mi. 15.2 US gal 20.13 US partial grill block. experimented with full grill block and found mechanical clutch fans and hot restricted airflow lead to very noisy very draggy configuration. not recommended.
May try again after e-fan mod.
2008-05-05 296 mi. 14.1 US gal 20.99 US bed cover install in middle of tank
2008-04-26 298 mi. 14.36 US gal 20.75 US Trip to Windfield
2008-04-18 285 mi. 14.67 US gal 19.43 US Tune up / maintenance - old spark plugs were very bad
2008-04-09 245 mi. 15.04 US gal 16.29 US first tank after purchase

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