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Part Time light on and sudden decrease in MPG...
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=51&t=32511
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Author:  lilblkblt04 [ Wed May 14, 2008 7:35 pm ]
Post subject:  Part Time light on and sudden decrease in MPG...

Hey all,

So the part time light is stuck on and I went from getting about 16-17 in the city to about 9 in the city over the past two months. Tires are inflated to 40PSI, air filter is clean, all the oils were changed in April, spark plugs were changed as well in April. The only difference between the gas mileage is that the part time light is stuck on. I know its not in 4wd because I put it in 4wd low and it definitely changed.

Any ideas on the sudden decrease? And its not the driving habits because even when my mom drives it it still gets 9-10mpg.

Thanks,
Ryan

Author:  SoDakJeep [ Wed May 14, 2008 7:59 pm ]
Post subject: 

FUEL WISE CHANGE YOUR PLUGS.....IT TAKES LIKE AN HR AND BROUGHT ME BACK FROM 12-14.5 15 MPG. I BELIEVE THE LIGHT IS JUST A SENSOR ON THE TRANSMISSION THAT IS STUCK BUT I REALLY DONT KNOW.

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