Question about 2004 Mazda RX-8

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Smell of fuel when driving

When driving 2004 rx8 i get a smell of fuel in the cab . sometimes it is so bad i can hardly stand it. cant seem to find any sort of fuel leak.

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  • jaydmos Jan 24, 2009

    The smell seams to be coming from the engine comp. though. Will check gas cap and filler hose though.


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If the Gas Cap is bad it will do this. If you have a Small hole in the Fuel Filler Neck that goes between the Tank and the Body, You will get this Problem Also.

Posted on Jan 24, 2009

  • Travis Humphries
    Travis Humphries Jan 24, 2009

    Make sure that you do not have a Leak on the Fuel Rail on the Motor also. If it is, It is a lot more Expensive too Fix than the other Solutions.


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HI I have a 2004 Mazda RX8 and I smell GAS coming from the rear drivers side. I can smell it when I am inside the car for a is most noticeable after I park the car. I checked the gas cap to make...

I had the same problem last year with my rx8, I smelt gas inside the cabin, and every time I parked in the garage it would smell strongly of gas. I tried injector cleaner and everything, but nothing helped. About 4 months after i started to notice the smell, one of my fuel injectors blew, I believe the small was coming from the crack in it, I would suggest you get you injectors checked, After the blow, I got it fixed, they rebuilt the injector for about $300 cad. and it runs great now,

Hoped this helps

Nov 27, 2010 | 2004 Mazda RX-8

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I am smelling fuel. i traced line from tank to filter and cant see anything. there seems to be a trail of gas on ground directly in line with fuel line.where else could this come from

After the filter, the fuel line goes to the pump, and then to the engine. There are also over flow and vent lines that can leak.
This is hard to see on the ground.
Either the car needs to be up on jack stands or a hoist.
Fuel leaks are dangerous, so don't wait.

Aug 28, 2010 | 1996 Mercury Tracer

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When i park my mazda rx8 in my garage i can smell fuel coming form rear underside of vehicle.

Check for loose clamps on the fuel lines leading out of the fuel tank. Don't be afraid to stick your hands where you can't see. You might be able to find a leak. Or your fuel tank is releasing pressure from the gas cap.

Jun 28, 2010 | 2004 Mazda RX-8

1 Answer

Silverado 2004 trouble

P0141 & P0161 are oxygen sensor codes, P0442 is fuel evaporative leak. P0141 & P0161 I would replace the o2 sensors, P0442, make sure the gas cap is on tight, if it is, take it off and look at the rubber seal on the cap where it seals on the filler neck. Sometimes that seal get hard/brittle and cracks. This would allow a vacuum leak in the fuel evap system. If you find cracks in the fuel cap seal just install a new gas cap. Now any time you replace parts from having the check engine light on, doesn't automaticly turn the light off. You need a scan tool for that, however, I you fixed a problen by replacing parts, the next time the computer runs its "on board" diag test & that system passes, the light will turn off. You can alway go to you local parts wherehouse or Aamco & they will scan for free.

Jan 02, 2010 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

Fuel smell in cab of car

when windows up and heater on most likely is leaking fuel injectors -- repair immediatly

Dec 02, 2009 | 2004 Saturn L-Series

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