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1990 740GL getting terrible mileage, help please! 700 1990

Greetings everyone!

I have a 1990 740GL (auto) with 143,800+ miles at the clock. Had a complete tune-up 2000 miles ago; change oil and filter every 6 months or 3000 miles, last change was one month ago (about 400 miles). Using a Purolator oil filter and Chevron 20W-50 (regular) oil.

I am averaging 14MPG, this is regardless of how lightly I am on the gas or how heavy my foot gets.

At this point I am stuck on what could possibly be causing such poor mileage, and seek your help.

Anything you guys can offer would be greatly appreciated!






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New 1990 740GL getting terrible mileage, help please! [700][1990]
posted by  someone claiming to be Piss Poor Mileage  on Fri Jun 4 17:09 CST 2004 >


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