How To Fix 97 Maxima Gas Mell From Tail Pipe

If your Nissan Maxima smells like gas, you should treat it as though yous have a fuel leak until y'all for sure there isn't one. The aroma of gas is typically going to exist acquired by a bad gas cap, evaporative emissions system, overfilling the gas tank, or an actual fuel leak. Merely there are other, less likely causes as well.

Gas Smell Nissan Maxima

Maxima Smells Like Gas: No Fuel Leak

Hither are the near common things that would brand your Maxima smell like gas exterior of a fuel leak itself, which is covered in the side by side sections

one. Gas Cap

The gas cap's job is to go along the fuel vapor and fuel in the gas tank. It has a seal that tin can get bad over fourth dimension. One time that happens, it'll brainstorm to let fuel vapor out and into the air. Since it'south behind the commuter, you really shouldn't smell the aroma of gas unless you are going downward the road.

Fuel Smell Nissan Maxima — A bad gas cap is ane of the summit reasons people olfactory property gas coming from their vehicle

2. Fuel Vapor Exposure

If you take just gassed up, you may have pulled somewhere where fuel was on the ground. If this is the case, it can make its way up into your Maxima's cabin. When this happens, the problem slowly goes abroad and should not return. If it doesn't seem to dissipate, information technology's time to movement on to the next potential problem.

If you are consistently gassing upward and smelling gas after, you can rule this one out. At that place is one slight exception though. If you are the blazon of person that likes to clasp in the last half gallon by making the pump click 5 times, know that your Maxima was non meant to be fueled like that. You lot'll smell gas until it is not longer overfilled.

iii. Fuel Pressure Regulator

If the fuel pressure regulator has gone bad, it can let too much fuel into the fuel rails. When this happens it'll throw off the air/fuel mixture. This causes your Maxima to take a gas smell coming from the frazzle pipes and a noticeable aroma of gas.

Replacing the fuel pressure regulator is the cure for this problem. Here'due south a video on how to use a fuel pressure regulator with a force per unit area judge, and here'due south ane that uses a diagnostic scanner to actually look at what's going on in the engine.

You lot may also notice blackness smoke coming from the tailpipe.

Come across likewise: Nissan Maxima Fuel Force per unit area Regulator Diagnosis

Nissan Maxima Smells Similar Gas: Fuel Leak

Nissan Maxima Smells Like Gas

It tin can be challenging to determine where the smell of gas is coming from in a vehicle. Gas dries fast, which adds to the trouble. 1 of the best means to decide if you take a fuel leak is to discover the fuel economy. Has it gotten a lot worse? That'southward a tell tale sign that the fuel is going somewhere, but non the engine.

Here are places that fuel will commonly leak from:

1. Fuel Lines

If one of the fuel lines has been damaged, yous should be able to discover the leak by doing an inspection. Is there gas on the garage floor? That is a tell-tale sign of a fuel leak. If yous practice find gas, you should consider your Nissan Maxima undrivable until you take it repaired. Information technology could catch fire.

two. Gas Tank

A typical place where gas leaks class is the fuel filler cervix. Specifically, where the neck meets the tank. There is a seal there that can go bad over fourth dimension. Replacing it will solve the gas smell.

iii. Injectors

If a fuel injector is leaking, it volition permit too much fuel to dump into the engine. Eventually it can fill the entire intake up and leak everywhere.

Decision

There are a lot of things that can cause you Maxima to scent like gas. Even though it'due south very likely that it's a benign reason, always give the odour of gas the respect it deserves until you notice the leak. If there is anything that you'd similar to add, please get out a annotate below. Good luck!