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Old 07-17-2021, 04:12 AM   #21
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mattwithcats is a jewel in the roughmattwithcats is a jewel in the roughmattwithcats is a jewel in the roughmattwithcats is a jewel in the rough
Join Date: May 2011
Location: Virginia
Posts: 1,763

2002 SL2
Default Re: Economy ? Seriously ?

Oil and filter make a difference

Make sure you are using the long Fram 3600 / Purolator 20195 / Wix 51516 oil filter,
and Mobil1 Advanced Fuel Economy, in 9W-30.

I love Mobil 1 ESP in 0W-30 in my manual, have not tried the 5W-30 of ESP yet...

Tire pressure makes a difference. Original tires on the Saturn were "S" or "T" speed rated, with 35 psi max.

My current tires are "H" speed rated, with 51 PSI max.

I run 44 PSI in the rear, and 35-37 in the front...

As I have a manual, the bottom of the radiator is unused. (Automatic Transmission cooler))
A pool noodle inserted in the bottom slots of the grill increases aerodynamics...
2002 Silver SL2, manual, 5th gear swap (.605), 80,000 miles, black badges,
205/60R15 "H" rated tires, 5mm spacers rear...
Pennzoil Maximum Power 0W-30, Champion COS3600...
NGK BKR6E-11 spark plugs
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Old 07-22-2021, 07:18 PM   #22
Chaz9496 is a jewel in the roughChaz9496 is a jewel in the roughChaz9496 is a jewel in the roughChaz9496 is a jewel in the rough
Join Date: Mar 2015
Location: Midwest
Posts: 369

2002 SL2
2002 SL2
Default Re: Economy ? Seriously ?

I bet I'm not getting 25 miles on the highway and 20 in town. With My L200 2.2, I could fill it and go about 70 miles on the highway and the gauge would still be on full. I thought an Ecotech was a gas guzzler from driving My Parents 2003, but I was wrong once the engine went in My 2001 W/95K. I can't figure why that 1.9 would get so terrible mileage. I know that the older an engine gets the more the mileage goes down. With 95K I wouldn't think it would be that worn, but it still is 20 years old. I still haven't had a chance to check into what I'm actually getting. My Dad told Me years ago when I had My old '74 Monte Carlo that He figured it got about 7 miles to a gallon and said how to figure it out but I forgot how He explained it. That engine and trans was Shot tho.
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Old 07-24-2021, 10:51 AM   #23
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Join Date: Sep 2006
Location: Connecticut
Posts: 2,833

1997 SW2
Default Re: Economy ? Seriously ?

How to figure out your gas mileage.
1)fill your tank- I usually give the pump handle two more presses after the first automatic click off. (Total of 3 automatic click offs) {be real anal and go to the same exact gas pump at the same exact time of day on successive fill-ups}.
2) zero out your trip odometer and begin driving ordinarily.
3) drive for over 3/4 of a tank but don't be stupid and go to almost empty which can do possible damage - try going over 200 miles.
4) fill up your Saturn S-Series vehicle in the same manner as before and get a receipt.
5) upon getting back in your car make a note of the trip odometer mileage and write it on your receipt. (You can do the math later at your convenience this way).
5b) Dont forget to zero out your trip odometer for your next fill up.
6) take the trip odometer mileage number and divide it by the gallons amount on your receipt to calculate your MPG.

Example: 250 miles divided by 10 gallons = 25 MPG
1997 SW2 used 12/29/2011 with 124,200 -27 mpg
2004 Ion3 new 11/2003 (totaled) 11/2011 -23 mpg
1994 SL1 new traded
1992 SL2 new traded for above
* 1986 Yamaha ce50 Jog -100 mpg
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Old 08-04-2021, 12:01 AM   #24
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Posts: 6
Default Re: Economy ? Seriously ?

how about something not many ever check, the ignition module. was it replaced? if so it was replaced with an auto zone junk module. if its the same as my 97 sc1 those modules need to be replaced with OEM otherwise you will get a miss all the time. anything less than that is total garbage. for spark plugs i've always used auto lite. they work great. tried champion once i would get a rough engine so i went back to autolite.
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