Having problems with your 1990 Nissan 300ZX ?
93 (v6) 300zx want to change plugs, get more power
\015 It is misterjayy, i want to change plugs. i want to get moe horse power. i want to also save gas,it sucks way to much, more than it supost to.i have alot to do to it to get it the way i want. just had tranny rebuilt, cuz 1st & reverse went out two weeks after i ought it. i don't know much about cars but i do minnor things. i am no means a mechanic!!\015
You could be using more than "normal" through various faults, for example a shot ECU temp sensor will cause the car to overfuel. If everything is working perfectly an ECU remap when upgrading can bring better fuel economy, as odd as that sounds.
Repair Help & Product Troubleshooting for 1990 Nissan 300ZX
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