1. What is the propriate tire pressure of a 94 VG? My 2 front tires have 37, but still look flat, why?

2. Auto-Shifting becomes harsh. Now I can feel a little jerk at low speed when it shifts. Is it OK or not?

3. The check engine light went on before because of O2 sensor. after I changed air filter, it doesn't go on again. Does that mean the O2 sensor is ok?

4. What kind of fuel injector cleanner is best for VG?

 

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1. What is the propriate tire pressure of a 94 VG? My 2 front tires have 37, but still look flat, why?

Check the tire pressure listed on your tires, IIRC mine are listed @ 44 psi.


2. Auto-Shifting becomes harsh. Now I can feel a little jerk at low speed when it shifts. Is it OK or not?

Check your motor mounts to see if they are still OK, and how long has it been since you did a flush and change of the ATF?


3. The check engine light went on before because of O2 sensor. after I changed air filter, it doesn't go on again. Does that mean the O2 sensor is ok?

Is your gas mileage still at a good level? You can have a shop do a diagnostic on your car, probably for about $60. But if the light is off, and there are no other problems it might be OK.


4. What kind of fuel injector cleanner is best for VG?

Sorry, don't know on that one.

You can also check the FAQ on www.maxima.org for more answers. It's just been reworked.