ok i have three pretty simple questions 1 does driving in o/d increase or decrease mpg or does it not make a difference,an can you explain what does o/d do exactly,and is there a speed limit in o/d because it feel like when i reach 5,000 rpm it doesnt want to go any faster.thank you

Use the "Search" feature it's really helpful.


Here's a thread about O.D.

http://www.6gc.net/forums/index.php?showto...mp;hl=overdrive

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thanks alot i dont know how i missed that

There seems to be some confusion on that read.

Just to clarify it, the auto box is 4 speed. When OD is on it enables 4th gear with the shifter in the D position or otherwise keeps it to 3rd gear and will not shift into 4th. The OD-OFF function does NOT affect 1st gear (L) or 2nd gear (2).

its the last gear which is 4th. what delusionz said.