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Old 04-07-1999, 10:14 PM
Nick Jamal
Posts: n/a
I could definitely use some expert help here! I have an 86 300E with 105k that generally runs well. However, I am getting dismal fuel economy of about 12.5/17mpg (city/hwy). This has persisted despite a new O2 sensor, spark plugs, K&N filter and good driving habits. Any suggestions?