hay I bought a 07 titan last year in January and i started off getting 18 miles to the gallon on the interstate and 16 in town, and now im only getting 12.5 on the interstate and 12 in town. Any sugestions on what the problem might be? Is there anyone eles that is haveing problems with this issue?
The only thing that I can think of that is an easy little thing to try and get better milage is check the spark plug gap and make sure they are right. another thing you can do is change the fuel filter, it might be clogged. Other than that, I am clueless. Good luck though!
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Minor Modifications To My Car: Eibach Sportline Springs, KYB AGX Shocks, SS AutoChrome Header, Custom Cat-back, Injen CAI, B&M Short Shifter -- No more for this car... Saving up for a new project!!!
Several things to check:
- The O2 sensor may have gone bad.
- One or more fuel injectors may be leaking.
- The coolant temperature sensor for the ECU may have gone bad.
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