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Discussion Starter · #1 ·
I have a 2009 Versa with the CVT, it has been a colossal disappointment in nearly every category but for now I just got a question about changing the chip.

I have never done it but it doesn't seem to difficult. I got a chip that changes the fuel mixture (or claims to) and does not completely rewrite the computer. Have made no effort to install it yet until I got some feedback on others who may have changed their chip. is it a bad move? difficult? worth it? my car has never had the efficiency that it advertised, that's why I would like to make the change. chip was only $14.00 so not a big pain if feedback suggests I don't make the change. hoping to hear from anyone who has done this.

Second question; has anyone found an alternative to that prick dipstick in the transmission reservoir? it's impossible to remove and I haven't been able to check the fluid. if I can get it out I would love to have something better to put in it's place. the mechanism (clip) that holds it in place is, so far, impossible to release to pull it out. is there a specialized tool perhaps? help from anyone is greatly appreciated.
 

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it sounds like he already has bought it tubtub... anyways yeah dont install it, it probably artificially makes the fuel mixture seem lean, so it makes it burn rich and use more gas to make it seem like it did something. if the systems were so easy to get more power from, they wouldnt be so complex.

combustion is a chemical reaction with a stoichiometric equilibrium. let the ECU maintain control
 

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All those chips are is a resistor inside of a plastic box that makes the ECU dump more fuel into the chambers to "create" power. All you'll end up doing is creating soot and sludge in the motor, O2 sensors, and cat.

Throw it away.
 

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the CVT dipstick is locked for a reason, the reason being that if the owner left the dipstick not full inserted dust and dirt would enter the system and the system would lock up, also the CVT pressure is high enough that with out the lock the dipstick would be pushed out.
The way to check the fluid is by computer and the readout will tell you how much fluid life is left. CTV fluid is not need to be change before 60k miles and most of the time even then you still have between 40-60 percent fuild life left.
 
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