gas mileage

The Nissan 300ZX (Z32) general community discussion forum
refreshair
Posts: 4
Joined: Wed Mar 03, 2004 1:15 pm

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i have a 3z '93 5spd 120k miles on it 2 seaterit runs for just 8 mpg in locali had change new spark plug , O2 sensor a month agowhat should i do to get back normal condition for gas mileage ?


NISTECH
Posts: 10585
Joined: Sun May 25, 2003 4:17 am

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check your coolant temp sensor connector for corrosion. Also take a look at your trig unit connectors near the rad hoses.

refreshair
Posts: 4
Joined: Wed Mar 03, 2004 1:15 pm

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i preciate reply by NISTECH.i had change cool temp sensor also checked trig unit connector it still using too much gas ...plz help me ttthanks

jdmfreak
Posts: 9350
Joined: Thu Jul 03, 2003 5:06 am
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What is the mileage of a TT or N/A Z32.

refreshair
Posts: 4
Joined: Wed Mar 03, 2004 1:15 pm

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it's N/A plz help me thanks alot

NISTECH
Posts: 10585
Joined: Sun May 25, 2003 4:17 am

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get a fuel gauge and do a leak down test on your injectors. have your airflow meter checked out. If you have an oscilliscope you can do it yourself. otherwise get it done. Another way to see whats going on is have a pretest done on a smog machine the readings can help alot on trying to locate where your problem is. Are there any codes stored in the system?


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