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user removed · 04-05-2015, 11:41 AM

A tired O2 sensor can cause a 25% loss in mileage without any cel.

Bad fuel pressure regulator, check pressure, or pull vacuum supply lime and check for fuel leaking into the line.

What do the plugs look like?

regards
mech

04-05-2015, 11:41 AM	#7 (permalink)
user removed Master EcoModder Join Date: Sep 2009 Posts: 5,927 Thanks: 877 Thanked 2,024 Times in 1,304 Posts	A tired O2 sensor can cause a 25% loss in mileage without any cel. Bad fuel pressure regulator, check pressure, or pull vacuum supply lime and check for fuel leaking into the line. What do the plugs look like? regards mech