burning alot of gas on 1992 Nissan Pickup (D21)

wonder how to fix the problems It burns sooo much gas.

by in Rockledge, FL on November 01, 2009
2 answers
ANSWER by , November 01, 2009
Diagnosis is the first place to start. There can be several reasons but without performing some tests, it's impossible to determine what is wrong. A few things to check: *fuel pressure *oxygen sensor operation *fuel mixture settings (if applicable)
ANSWER by , July 29, 2013
im having the same problem