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Fuel log graph
Efficiency log for: TANK the fifth - 2002 Chevrolet S10 Crew Cab 4x4 LS
  • Lifetime Fuel Economy: 20.03
  • 90-day Fuel Economy: 19.92
  • 3-tank Fuel Economy: 18.55
  • EPA Rating (% over): 15 (32.8%)
  • Total fills: 99
  • Average cost per gallon: $2.6
  • Average cost per fill: $35.88
  • Average cost per mile: $0.13Total gallons used: 1359.88
  • Total miles traveled: 27234.1
  • Total cost: $3535.69
  • Total saved: 455.73 gallons
  • Total saved: $1184.9
  • Average tank distance: 275.09
Fill date Distance Fill amount Price MPG Details
2009-11-15 319.4 mi. 16.92 US gal $2.499 18.88 US $42.29 Total, 87 Octane-Shell-no ethanol
neutral coasts, school zones, cooler temps, son practice driving, no airdam, several intown trips and one long interstate trip
code P0137-post cat O2 sensor low voltage(gonna get replacement sometime)
2009-11-12 316.8 mi. 17.96 US gal $2.499 17.64 US $44.87 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, cooler temps, son practice driving, no airdam, lots of intown trips during vacation
code P0137-post cat O2 sensor low voltage(gonna get replacement sometime)
2009-11-03 291.6 mi. 15.14 US gal $2.529 19.26 US $38.28 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, cooler temps, son practice driving, no airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement sometime)
2009-10-27 299.4 mi. 15.63 US gal $2.509 19.16 US $39.23 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, cooler temps, son practice driving, took off airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement sometime)
2009-10-20 294.6 mi. 14.89 US gal $2.479 19.79 US $36.90 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, cooler temps, son practice driving, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement sometime)
2009-10-12 280.2 mi. 13.52 US gal $2.259 20.72 US $30.53 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c-defrost for fogged up windows(lots of rain lately), cooler temps, still need to tweak airdam, removed badly rusted step bars(hopefully smoothed things a little)
code P0137-post cat O2 sensor low voltage(gonna get replacement sometime)
2009-10-06 333.6 mi. 16.07 US gal $2.259 20.76 US $36.29 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c-defrost for fogged up windows(lots of rain lately), cooler temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement sometime)
2009-09-30 315 mi. 15.63 US gal $2.259 20.15 US $35.31 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c, semi-warm temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement sometime)
2009-09-24 337.9 mi. 16.23 US gal $2.269 20.82 US $36.82 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c, warm temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-09-21 322.4 mi. 16.52 US gal $2.279 19.52 US $37.64 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c, warm temps, still need to tweak airdam, 15 Yr old son practice driving around in parking lots-mpg killer
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-09-15 324.8 mi. 15.5 US gal $2.289 20.95 US $35.48 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c, warm temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-09-09 269.7 mi. 14.18 US gal $2.289 19.02 US $32.45 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c, warm temps, several intown furniture moving trips, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-08-26 317.4 mi. 14.84 US gal $2.339 21.39 US $34.70 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c, warm temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-08-20 306.3 mi. 14.24 US gal $2.359 21.51 US $33.59 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c, warm temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-08-14 319.5 mi. 14.55 US gal $2.419 21.96 US $35.19 Total, 87 Octane-BP-yes ethanol
neutral coasts, school zones, some a/c, warm temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-08-07 302.6 mi. 13.17 US gal $2.439 22.98 US $32.12 Total, 87 Octane-BP-yes ethanol
neutral coasts, some school zones, some a/c, warm temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-07-30 292.7 mi. 12.47 US gal $2.299 23.47 US $28.66 Total, 87 Octane-BP-yes ethanol
neutral coasts, NO school zones, some a/c, warm temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-07-23 303.4 mi. 13.18 US gal $2.219 23.02 US $29.24 Total, 87 Octane-BP-yes ethanol
neutral coasts, NO school zones, some a/c, hot temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-07-17 316.2 mi. 14.36 US gal $2.289 22.02 US $32.87 Total, 87 Octane-BP-yes ethanol
neutral coasts, NO school zones, lots of a/c, hot temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-07-09 298.2 mi. 13.39 US gal $2.379 22.27 US $31.85 Total, 87 Octane-BP-yes ethanol
neutral coasts, NO school zones, lots of a/c, hot temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-07-02 228.3 mi. 11.52 US gal $2.459 19.82 US $28.32 Total, 87 Octane-BP-yes ethanol
neutral coasts, NO school zones, lots of a/c, hot temps, still need to tweak airdam
code P0137-post cat O2 sensor low voltage(gonna get replacement soon)
2009-06-28 215.7 mi. 17.01 US gal $2.499 12.68 US $42.49 Total, 87 Octane-BP-yes ethanol
Worse Fillup Ever
Codes still(has been p0131{o2 sensor}and p0300{multi-cylinder misfire}), neutral coasts, NO school zones, lots of a/c, hot temps, still need to tweak airdam

I believe the drivers side 02 sensor was bad, swapped it with the post cat sensor and the code followed it. Truck has been running very rough past couple of days and smoothed out after I swapped positions of sensor. I believe the bad sensor was making truck run VERY RICH as the plugs had black residue and when accelerating hard would send out big clouds of black smoke.

Performed tune up on 06-24-2009: plugs, wires, cap, rotor, MAF cleaned with spray

Cut out precat convertor on 06-26-2009 and got straight pipe welded in next day.
2009-06-19 273.1 mi. 13.93 US gal $2.569 19.61 US $35.80 Total, 87 octane-Shell-no ethanol
Code still, neutral coasts, NO school zones, some a/c, warmer temps, still need to tweak airdam

Gonna try the no ethanol gas for a while...

some mtce info:
06-13-2009 New tires-Goodyear Wrangler SR-A
P235/75 R15 at 38 psi(correct size according to door sticker)(couldn't find LRR tires in town)(took off 30x9.5x15 offroad tires at 50 psi)
06-14-2009 Clean and reoil K&N Filter
06-14-2009 Added bottle of Gumout FI Cleaner
06-14-2009 Reset PCM by removing battery cable for about 30 minutes
06-14-2009 Drilled a few holes in engine(warm) side of air box for a little gain in WAI temps hopefully, haven't gone the whole ducted WAI route yet
2009-06-10 271.4 mi. 12.83 US gal $2.359 21.15 US $30.26 Total, 87 Octane
Code still, neutral coasts, NO school zones, some a/c, warmer temps, still need to tweak airdam
Oil, filter and lube on 6-7-2009...Have a tire going bad/tread seperating...gotta replace quickly
2009-06-04 324.2 mi. 13.78 US gal $2.399 23.53 US $33.05 Total, 87 Octane
Code still, neutral coasts, NO school zones, some a/c, warmer temps, still need to tweak airdam,
BEST TANKFUL...SO FAR
2009-05-27 281.8 mi. 14.06 US gal $2.239 20.04 US $31.47 Total, 87 Octane
Code still, neutral coasts, school zones, some a/c, warmer temps, still need to tweak airdam
2009-05-19 279.4 mi. 12.97 US gal $2.159 21.54 US $28.00 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c, warm temps, still need to tweak airdam
2009-05-14 312.6 mi. 14.41 US gal $2.149 21.69 US $30.97 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c, warm temps, still need to tweak airdam
2009-05-10 266.5 mi. 13.34 US gal $2.099 19.98 US $28.01 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c, warm temps, still need to tweak airdam
2009-05-05 264.4 mi. 12.69 US gal $1.979 20.84 US $25.11 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c, warm temps, still need to tweak airdam
2009-04-29 250.4 mi. 12.03 US gal $1.919 20.81 US $23.07 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c, warm temps, still need to tweak airdam
2009-04-24 356.5 mi. 17 US gal $1.919 20.97 US $32.76 Total, 87 Octane
Code still, neutral coasts, school zones, little a/c, slightly warmer temps, still need to tweak airdam
2009-04-17 259.5 mi. 12.52 US gal $1.919 20.73 US $24.02 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
slightly warmer temps, still need to tweak airdam
Installed a tonneau cover 2 weeks ago and smaller mirrors last weekend. This was first full tank with them both.
2009-04-13 254.8 mi. 14.27 US gal $1.899 17.86 US $27.11 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
slightly warmer temps, still need to tweak airdam,
too many intown trips-mpg killers
Worst tankful to date
2009-04-01 287.1 mi. 13.85 US gal $1.899 20.73 US $26.16 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
slightly warmer temps, still need to tweak airdam
2009-03-19 284.1 mi. 15.01 US gal $1.759 18.93 US $26.41 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
slightly warmer temps, still need to tweak airdam, several intown errand runs
2009-03-13 319.1 mi. 17.23 US gal $1.739 18.52 US $29.95 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
slightly warmer temps, still need to tweak airdam, a few intown errand runs
2009-03-06 275.7 mi. 12.83 US gal $1.809 21.49 US $23.20 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
slightly warmer temps, still need to tweak airdam
WOW!!! It's been right at a year since been keeping fuel logs. Gotta start doing better and get that overall mpg up!!! Mods and driving will be worked on.
2009-03-02 273.2 mi. 14.1 US gal $1.879 19.38 US $26.49 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
1-2 cold morning warmups, a little 4wheelin in the snow yesterday , still need to tweak airdam
2009-02-23 312.4 mi. 15.04 US gal $1.619 20.77 US $24.35 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
1-2 cold morning deforsts/warmups, warmer temps overall, still need to tweak airdam
2009-02-16 295 mi. 14.26 US gal $1.789 20.69 US $25.51 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
slightly warmer temps, still need to tweak airdam
2009-02-10 231.3 mi. 12.51 US gal $1.799 18.49 US $22.50 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
1-2 cold morning warmups, warmer temps overall
still need to tweak airdam
2009-02-03 310.3 mi. 15.22 US gal $1.779 20.39 US $27.08 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups
still need to tweak airdam
2009-01-28 248.6 mi. 13.77 US gal $1.679 18.05 US $23.23 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups, LOTS of intown errand runs during vacation days
still need to tweak airdam
2009-01-21 296.3 mi. 16.25 US gal $1.599 18.23 US $25.98 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups, very cold temps,
LOTS of intown errand runs during vacation days
still need to tweak airdam
2009-01-13 256.3 mi. 12.78 US gal $1.629 20.05 US $20.81 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups
still need to tweak airdam
2009-01-07 241 mi. 11.69 US gal $1.659 20.62 US $19.39 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
couple cold morning warmups
still need to tweak airdam
2008-12-31 258.5 mi. 13.61 US gal $1.459 18.99 US $19.86 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups
still need to tweak airdam
2008-12-23 275.1 mi. 14.62 US gal $1.579 18.82 US 23.08 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
mild temps,still need to tweak airdam, couple of speedy commutes
2008-12-17 295.1 mi. 15.16 US gal $1.559 19.47 US $23.64 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
mild temps, still need to tweak airdam
2008-12-10 202.8 mi. 10.9 US gal $1.459 18.61 US $15.90 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups
still need to tweak airdam
2008-12-04 206 mi. 10.31 US gal $1.599 19.98 US $16.49 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups
still need to tweak airdam
2008-12-01 241.6 mi. 12.74 US gal $1.599 18.96 US $20.37 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups
still need to tweak airdam
2008-11-24 254.2 mi. 14.13 US gal $1.599 17.99 US $22.59 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups and had to ZoomZoom to get to work on time a couple of days
still need to tweak airdam
2008-11-18 259.1 mi. 13.13 US gal $1.759 19.73 US $23.09 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c,
several cold morning warmups
still need to tweak airdam
2008-11-12 271 mi. 13.53 US gal $1.909 20.03 US $25.83 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c, still need to tweak airdam
2008-11-05 323.2 mi. 15.99 US gal $2.019 20.21 US $32.28 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c, still need to tweak airdam
2008-10-29 257.3 mi. 13.34 US gal $2.149 19.29 US $28.67 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c
No work done to airdam yet
2008-10-23 217.9 mi. 10.38 US gal $2.149 20.99 US $22.31 Total, 87 Octane
Code still, neutral coasts, school zones, no a/c
Need to tweak airdam so wont fold under
Rides so much better/quiter now since bearings replaced
2008-10-20 297.6 mi. 15.31 US gal $2.669 19.44 US $40.86 Total, 87 Octane
Code still, neutral coasts, school zones, front wheel bearings were getting real bad and finally got changed out at about half way through tank, front air dam still needs beefed up on bottom so doesn't fold under at speed, hardly any a/c
2008-10-09 255.7 mi. 12.98 US gal $3.499 19.7 US $45.41 Total, 87 Octane
Code still, neutral coasts, school zones, wheel bearing going bad, put on front air dam(needs to be supported on bottom better)
2008-10-03 349.2 mi. 17.55 US gal $3.769 19.9 US $66.14 Total, 87 Octane
Code still, neutral coasts, school zones, wheel bearing going bad, hardly any a/c
2008-09-25 285 mi. 15.1 US gal $3.819 18.87 US $57.65 Total, 87 Octane
Code still, neutral coasts, school zones, more intown trips than usual, cooler temps so not much a/c
2008-09-18 255.9 mi. 11.97 US gal $3.959 21.38 US $47.41 Total, 87 Octane
Code still, neutral coasts, school zones, not too much a/c
After several tanks of 87 Octane, looks like mileage is right around normal...so...I guess I'll stick with 87 for a while and try to save a few pennies
2008-09-11 267.9 mi. 12.95 US gal 20.69 US $??.?? Total, 87 Octane (forgot price info)
Code still, neutral coasts, school zones, several intown trips
2008-09-08 294.7 mi. 14.41 US gal $3.599 20.45 US $51.41 Total, 87 Octane
Code still, neutral coasts, school zones
2008-09-04 246 mi. 12.44 US gal $3.499 19.77 US $43.52 Total, 87 Octane
Code still, neutral coasts, school zones
2008-08-21 287.5 mi. 14.32 US gal $3.469 20.08 US $49.66 Total, 89 Octane
Code still, neutral coasts, not too much a/c, school zones-slow
2008-08-16 284.4 mi. 13.08 US gal $3.469 21.74 US $45.36 Total, 89 Octane
Code still, neutral coasts, school zones, less use of AC cause temps were down some
2008-08-11 289 mi. 15.12 US gal $3.599 19.11 US $54.43 Total, 89 Octane
Code still, neutral coasts, couple of days dropping kids off at school-slow and in town
2008-08-05 310.5 mi. 15.44 US gal $3.759 20.11 US $58.04 Total, 89 Octane
Code still, neutral coasts, some hauling
2008-07-29 297.4 mi. 13.93 US gal $3.899 21.35 US $54.31 Total, 89 Octane
O2 code, neutral coasts, intown moving and hauling this past weekend
2008-07-21 290.3 mi. 14.75 US gal $4.049 19.68 US $59.71 Total, 89 Octane
Code still, nuetral coasts, bunch of moving furniture and hauling trash this past weekend...mpg killers
2008-07-15 333.7 mi. 15.61 US gal $4.059 21.38 US $63.34 Total, 89 Octane
Code still, neutral coasts,
2008-07-07 321.9 mi. 14.65 US gal $4.049 21.97 US $59.32 Total, 89 Octane
Code still, really watching scangauge and neutral coasting
2008-06-27 290.6 mi. 13.78 US gal $3.979 21.09 US $54.83 Total, 89 Octane
O2 code still, lightfoot on pedal, neutral coasts
2008-06-22 332.9 mi. 15.71 US gal $3.859 21.19 US $60.62 Total, 89 Octane
Still gotta replace sensors, neutral coasting, couple of 50+mile runs at highway speeds between 55-65
2008-06-16 343.5 mi. 19.08 US gal 18 US Brother in law added some fuel when he borrowed truck for a day and couldn't remember exactly how much he added. I figured because he was in town a lot that the overall mpg was a little lower than normal, so when I filled up I guesstimated about 18(EPA avg) mpg for the tank for those total miles.
2008-06-10 293.4 mi. 14.81 US gal $4.069 19.81 US $60.25 Total, 89 Octane
Cleared O2 sensor code with new scangauge, but keeps coming back, oh well time to bite the bullet and replace. Light foot driving and neutral coasting.
2008-05-28 223.4 mi. 10.96 US gal $3.959 20.38 US $43.39 Total, 89 Octane
Code still, regular driving, EOC's and neutral coasting
2008-05-22 270.6 mi. 13.05 US gal $3.839 20.74 US $50.09 Total, 89 Octane
Code still, regular driving, some eoc's
2008-05-16 186.2 mi. 8.813 US gal $3.749 21.13 US $33.04 Total, 89 Octane
Code still, regular driving, some eoc's
2008-05-13 279.9 mi. 14.34 US gal $3.679 19.52 US $52.77 Total, 87 Octane
Code still, regular driving, some eoc's
2008-05-09 245.4 mi. 11.72 US gal $3.669 20.94 US $43.02 Total, 89 Octane
Code still, regular driving, some eoc's
2008-05-05 256.2 mi. 13.04 US gal $3.599 19.65 US $46.40 Total, 89 Octane
Code still, a few more in town trips than usual, some eoc's
2008-04-29 253.5 mi. 12.87 US gal 19.7 US code still, 2x70 mile trips mostly interstate then regular driving, set tires to 50psi which is max sidewall pressure
2008-04-26 147 mi. 6.998 US gal 21.01 US almost all interstate at 70 mph with cruise control set, code still
2008-04-25 263.6 mi. 13.63 US gal 19.34 US Code still set, several intown trips
2008-04-18 254.6 mi. 13.15 US gal 19.36 US Code still, a few more in town trips than usual
2008-04-12 214 mi. 10.1 US gal 21.19 US code still, neutral coasting and some eoc's
2008-04-08 208.9 mi. 10.79 US gal $3.259 19.36 US $35.16 Total, 89 Octane
Regular driving, code still
2008-04-02 271.6 mi. 14.08 US gal $3.219 19.29 US $45.32 Total, 89 Octane
Oil change, tires rotated and set at 44, o2 code still(gotta get $ saved up for sensor)
2008-03-28 184.3 mi. 8.61 US gal $3.249 21.41 US $27.97 Total, 89 Octane
O2code still, EOC a few times more than usual
2008-03-25 225.7 mi. 12.22 US gal $3.209 18.47 US $39.23 Total, 89 Octane
More intown, o2 sensor code-will fix soon
2008-03-20 263.7 mi. 13.52 US gal $3.219 19.5 US $43.52 Total, 89 Octane
Regular ole driving
2008-03-14 241 mi. 12.38 US gal $3.239 19.47 US $40.11 Total, 89 Octane
Regular driving
2008-03-11 258.8 mi. 14.44 US gal $3.219 17.92 US $46.48 Total, 89 Octane
Couple of running late AND very speedy commutes(darn the snooze alarm button)
2008-03-06 193.3 mi. 10.14 US gal $3.239 19.06 US $32.86 Total, 89 Octane
Mixed driving, lots of wind past couple of days
2008-03-03 172.8 mi. 8.908 US gal $3.179 19.4 US $28.32 Total, 89 Octane
Mixed driving, very short warmups
FIRST FUEL LOG ENTRY!!

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