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2004 Jeep Liberty Performance Chips & Programmers

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Latest Customer Reviews

ScanGauge OBD II Scanner Reviews


scanguage in every car

Reviewed By Thomas E M (CALDWELL, ID) Reviewed for a 2004 Jeep Liberty —7/7/2014 9:33 PM

Using Scanguage to tshoot codes and to help better monitor driving style and engine situation has saved me enough on fuel to buy the second one.

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Hypertech Max Energy E-CON Reviews


Jeep Liberty E-Con

Reviewed By len z (Brick, NJ) Reviewed for a 2004 Jeep Liberty —5/23/2012 8:13 PM

Installed the programmer on my 2004 Jeep Liberty limited. After installation i drove the Jeep on my normal commute and right away the MPG display started going up.It usually averaged 18 mpg,After a week it was averaging 21 mpg. Also besides the MPG increase it seems more powerfull under WOT acceleration.

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Hypertech Max Energy Programmer Reviews


It's worth the money...

Reviewed By Josh P (Westminster, CO) Reviewed for a 2008 Chevy Silverado —4/6/2010 9:03 AM

I bought the Hypertech based on all the reviews I have read. I went to Four wheel parts and asked for their recommendation for a tuner for my truck. The salesman without hesitation recommended the Hypertech due to the fact that they have been around for ever and know the GM product line. The product is very easy to use, I do have bigger 285's on my truck but did not need to calibrate because my speedo is dead on. (I check all the radar displays). I can tell there is more power and torque but being at altitude 5400 ft. I know I'm not getting full power from the tuner. Am going to Nebraska over memorial day and can't wait to see what she'll really do. I did change the shift firmness and can see a difference but as far as changing the shift points, I didn't like the results. Once I changed it, I floored it in first and it wouldn't shift into second. I changed it back to stock shift points and am ok with the results. Overall good product but wish they could get more hp out of them like a diesel.

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