S13 smells like gas and gets lower mpg - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

SR707DRIFT · 09-12-2010, 02:55 PM

I'm about to buy a S13 240sx and it smells like gas and it gets a little less mpg. He says it's the Fuel Pump O-ring. Could it be something else or what? Thanks.

90white240 · 09-12-2010, 03:50 PM

There could be a leak some where in the lines, check all the hoses and connections. I had the same problem turned out to be the hose that hooks up to the hardline, where it enters the bay, was lose.

modulation · 09-13-2010, 08:26 PM

Quote:

Originally Posted by SR707DRIFT

I'm about to buy a S13 240sx and it smells like gas and it gets a little less mpg. He says it's the Fuel Pump O-ring. Could it be something else or what? Thanks.

Are the two problems suppose to be related? A bad fuel pump o-ring wouldn't cause a car to have bad gas mileage.

Does it smell like gas only when it runs or all the time?
If it's only when it runs it might be as simple and cheap as a $20 o2 sensor.

Big Zee · 09-13-2010, 09:21 PM

or a injector o-ring is bad, I had that problem on the gf's old coupe.

take a sniff around and find out where its coming from then look for fuel itself. easiest way to fix it.

prolly noghting major to fix if your buying the car. just don;t smoke by it

mau5trap · 09-13-2010, 09:52 PM

my sr is having the same problem. whenever I open my windows I smell major gas.

also on about 3.1 gal of gas I get about 100km (62miles). about 20mpg? and that's when I mildly use the turbo.

240sx123$ · 09-14-2010, 10:18 AM

20mpg seems low for an SR. Thats what I get in my KA.

Another thing to check is the fuel pump cover gasket.

slim_240 · 09-21-2010, 05:06 PM

fuel pump o-ring, rubber lines from the fuel pump, injector o-rings, check the fuel lines from the FF too! remember that they're all atlest 15 year old rubber hoses

09-12-2010, 02:55 PM	#1
SR707DRIFT Leaky Injector Join Date: Dec 2009 Location: Nor Cal Posts: 85 Trader Rating: (0) Feedback Score: 0 reviews	S13 smells like gas and gets lower mpg I'm about to buy a S13 240sx and it smells like gas and it gets a little less mpg. He says it's the Fuel Pump O-ring. Could it be something else or what? Thanks.

09-12-2010, 03:50 PM	#2
90white240 Zilvia Addict Join Date: Aug 2008 Location: Ghettolanto!!!!! Posts: 874 Trader Rating: (4) Feedback Score: 4 reviews	There could be a leak some where in the lines, check all the hoses and connections. I had the same problem turned out to be the hose that hooks up to the hardline, where it enters the bay, was lose. __________________

09-13-2010, 09:52 PM	#5
mau5trap Zilvia FREAK! Join Date: Dec 2009 Location: los ganjales///OC Posts: 1,417 Trader Rating: (8) Feedback Score: 8 reviews	my sr is having the same problem. whenever I open my windows I smell major gas. also on about 3.1 gal of gas I get about 100km (62miles). about 20mpg? and that's when I mildly use the turbo. __________________

09-21-2010, 05:06 PM	#7
slim_240 Zilvia Member Join Date: Jun 2009 Location: dallas, tx Posts: 246 Trader Rating: (3) Feedback Score: 3 reviews	fuel pump o-ring, rubber lines from the fuel pump, injector o-rings, check the fuel lines from the FF too! remember that they're all atlest 15 year old rubber hoses __________________

09-13-2010, 09:21 PM	#4
Big Zee Zilvia Addict Join Date: Oct 2005 Location: BC Age: 40 Posts: 860 Trader Rating: (10) Feedback Score: 10 reviews	or a injector o-ring is bad, I had that problem on the gf's old coupe. take a sniff around and find out where its coming from then look for fuel itself. easiest way to fix it. prolly noghting major to fix if your buying the car. just don;t smoke by it

09-14-2010, 10:18 AM	#6
240sx123$ BANNED Join Date: Jul 2010 Location: PA Posts: 603 Trader Rating: (2) Feedback Score: 2 reviews	20mpg seems low for an SR. Thats what I get in my KA. Another thing to check is the fuel pump cover gasket.