TwinTurbo.NET: Nissan 300ZX forum - I have a tsb for you to read...
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Subject I have a tsb for you to read...
     
Posted by la300zxtt (TJ) on May 19, 2004 at 4:25 AM
  This message has been viewed 191 times.
     
In Reply To Gas Mileage problem. posted by niZfreak on May 19, 2004 at 01:13 AM
     
Message But since i cant post it let me ask you a few questions:
1. Does your gauge seem to be irratic?
2. How many gallons are you filling up from Empty to full?
3. The leak you speak off is probbaly on top of the plenum its a small hose I cant desribe it to well someone else can/will

If your filing up less then 12 gallons from empty to full that means you have about 6 gallons left in your tank which probably means your car is subseptable to the Gas Level sending unit TSB. I looked it up on the Nissan assit and it turns out that 90-92 had the problem here are the vin numbers.

JN1RZ24H( )PX530054; April 6, 1992
JN1RZ26H( )PX530094; April 6, 1992
JN1CZ24H( )PX535001; April 16, 1992

"On some 300zx vehicles, a change in teh electircal resistance of the fuel level sensor assembly could cause the fuel level sonsor to become inoperative or the fuel gauge on the dash to read incorrectly or erratically

If this incident occurs a countermessure fuel level sensor is available to resolve this incident

Service procedure
Remove the orignal fuel level sensor and replace with the countermessure unit"

Sender Unit- Fuel gauge
New Part # Old Part# Model
25060-30P02 25060-30P00 2 SEATER N/A
25060-40P02 25060-40P00 2 sEATER TURBO
25060-32P02 25060-32P00 2+2 N/A
25060-30P12 25060-30P10 2+2 TURBO

Hope this helps...

     
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