froggymike Posted October 10, 2005 Share Posted October 10, 2005 Murphy, the $500 87 T-Wag with 3 spd A/T is a thirsty girl on the freeway; only getting about 17 mpg, 277 mi on full tank of gas. Maybe coincidence, but when I'm hitting about 70, the check engine light comes on momentarily, and going up hill on the gapevine, she does get hot, but doesn't loose power (no clogged cat). Any thoughts? PS. I just read the other gas mileage post and may replace the O2 sensor. Link to comment Share on other sites More sharing options...
torxxx Posted October 10, 2005 Share Posted October 10, 2005 o2 sensor, air filter, run chevron techron injector cleaner for a tank, check your timing Link to comment Share on other sites More sharing options...
Snowman Posted October 10, 2005 Share Posted October 10, 2005 o2 sensor, air filter, run chevron techron injector cleaner for a tank, check your timing The Chevron fuel system cleaner is some GOOD stuff. Nothing else I've used compares. Are you a leadfoot? I've found the fuel economy in my soobs varies tremendously depending on how they're driven. Link to comment Share on other sites More sharing options...
hatchsub Posted October 10, 2005 Share Posted October 10, 2005 Try replacing the fuel filter(s) too. That may help some. Link to comment Share on other sites More sharing options...
Syonyk Posted October 10, 2005 Share Posted October 10, 2005 Start with the O2 sensor. -=Russ=- Link to comment Share on other sites More sharing options...
86subaru Posted October 10, 2005 Share Posted October 10, 2005 my 88 turbo full time 4wd a/t wagon gets 23 city , 25 hi , seems like running the ac makes no difference ,but i am sure it does Link to comment Share on other sites More sharing options...
froggymike Posted October 11, 2005 Author Share Posted October 11, 2005 UPDATE: I found the wire leading to the O2 sensor to be in bad shape. I replaced the sensor and will take it on the freewway tomorrow for a little mileage test. Link to comment Share on other sites More sharing options...
HooptyGL Posted October 15, 2005 Share Posted October 15, 2005 i just had all the pipes replaced (without the cats) on my 85 gl wagon. took it for a run on the highway down to phoenix and back to prescott which is about a 200 mile drive roundtrip and ive got a little under a half tank left. it looks as though its getting around 29 or 30 mpg with the rocket box on top. Link to comment Share on other sites More sharing options...
calebz Posted October 16, 2005 Share Posted October 16, 2005 87 T wagon Highway - 20 City - OMGWTFTERRible!! Link to comment Share on other sites More sharing options...
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