Subject: uses lots of fuel
Question: mitsubishi p/u 1991 eng4G64 5speed manual this truck uses to much gas{12 miles per gallon] have replaced computer , fuel pump , and some electronic part on the air intake. thanxx
Answer: Rick, Low gas mileage is a common condition of a fooled oxygen sensor. If your
O2 sensor is not functioning properly, it will severely reduce gas mileage. Also be sure there are no leaks in any of the intake hoses.
Good luck!