Question about 1995 Honda Odyssey

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My car has been running with only 9 km per km, what could be the problem? The odor at the exhaust is very bad, it smells like an unburned gasoline.

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  • junmappatao Jul 18, 2009

    my car has been running with only 9 km per liter, what could be the problem? The odor at the exhaust is very bad, it smells like an unburned gasoline.

  • Richard Scordino May 11, 2010

    Try disconnecting the cat and see if the problem disappears.

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Replace oxegen sensor

Posted on Jul 18, 2009

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2 Answers

Black smoke and a strong smell of gasoline


It would help to know what you are working on, but assuming it have fuel injection, to have such a major rich condition means the fuel regulator may have failed or several injectors are leaking. Could also be bad coolant temp sensor or bad coil on multi-coil engine.

Apr 03, 2016 | Cars & Trucks

2 Answers

I smell gas


Sound like it could be quite a few things. Off the top of my head I would check that the car is firing on all cylinders. If one has gone down you will have fuel travelling along the exhaust pipe, which could explain the smell. If you have lost a cylinder it will be as rough as a badgers B*M, and you will get rubbish mpg. Check if you can smell fuel from the exhaust pipe (Not while the car is running I don't want you to get carbon monoxide poisoning), just give it a quick start and a few revs first. If it is or anyway If you take the plugs out one at a time look at them to see if they are wet and smell of fuel, (After a quick start and a rev). Check your air filter as well you could even take it out and see how it runs (Not for long just a quick blast) see how you go with that.
Good Luck

Mar 15, 2014 | Cars & Trucks

1 Answer

When driving i can smell gas in my 2000 lexus es300


possibly your O rings which isolates fuel injectors from engine block are getting old and letting gasoline go out. it is very dangerous since it can cause fire. do not drive.

another cause is broken loose or cracked fuel lines. this is equally dangerous since it is under hood close to hot exhaust manifold.

if smell is from exhaust manifold, which means not the smeel of gasoline but exhaust fumes, this can be caused by broken exhaust manifold or a crack on it or problematic exhaust manifold gasket.

Nov 18, 2011 | 2000 Lexus ES 300

1 Answer

I have a 2005 chevy malibu maxx v6. car runs great, no hesitation or stalling, however a intensly strong odor of gasoline suddenly began about 3 wks ago, and is gettin stronger by the day! it Can be...


No service engine light? A loose gas cap will set a light.
You may want to inspect your fuel filler neck and anything close. For a long while its not uncommon for a person to report the fuel odor issue and have it be where some low life cut a filler neck or puntured a tank to steal fuel. But if that were the case there would usually be a service engine or gas cap light as the systems now days monitor pressures so they can detect leaks in the Evap system.

When you mention a smell though under the hood, do you think the smell could be exhaust? I have seen those manifolds crack. or maybe just a leak from a gasket or exhaust donut.

Sep 14, 2011 | Chevrolet Malibu Maxx Cars & Trucks

1 Answer

Had my fuel pump changed then the fuel milage drop from approx. 350 - 400 a tank down to 250 a tank, then the head gasgets were bad an the antifreeze ruined o2 sensors had replaced but gas milage did not...


Check for a leak in the fuel system, especially around the fuel pump and any fuel line that may have been moved during the change. Another possibility is dirt in the fuel injectors is keeping them open so they dribble in too much fuel - you may smell unburned or incompletely burned gasoline in the exhaust when the catalytic converter is cold. A problem with the ignition (bad plug or cable) will also do this, but the engine would probably run a bit rough under load in this case.

If you are getting the mileage from an instrument panel mileage indicator, have you calculated your mileage per gallon with the amount of fuel put in the tank (from the vendor pump) divided by the odometer difference from the last time you filled? Perhaps there is a problem with the fuel level sender and it's reading low.

Jun 08, 2011 | Pontiac Grand Am Cars & Trucks

1 Answer

Gas order inside vehicle - could this be caused from the fuel pressure regulator?


If it is a gasoline ( raw fuel, unburned) smell, it could be caused by a number of fuel line related problems and leaks including the fuel pressure regulator. If it is an exhaust smell, check for an exhaust leak in or near the engine compartment.
There should be a cowling hood seal at the rear of the hood that is supposed to keep those fumes out of the passanger compartment.
Good luck.

Jan 30, 2011 | 2000 Oldsmobile Alero

1 Answer

91 Maxima Gasoline odor when I first start the car


If it is running fine, the busted bolt isn't the source of the gasoline smell. The intake manifold has vacuum, so the smell wouldn't be getting out, air would be going in, and a vacuum leak would give you poor idling. The exhaust manifold wouldn't have much raw gasoline smell. But it would have loud noise if the broken bolt were causing an exhaust leak.

Check that the vapor recovery line is not broken or disconnected. The hose connectors get cracked. If that were broken, it would cause a gasoline smell after the car has been sitting, especially if it has been sitting in the sun, heat driving gasoline vapor out of the tank. It is supposed to condense in the vapor canister, but some escapes if the line is broken. If it is broken, driving would **** out the gasoline from the line and the wind would dissipate the smell.

Or it could be a leaking injector. With the injector cover off, engine idling and cool, you can visually look for raw gas around the injectors and injector rail connections.

Hope this helps.

Oct 01, 2009 | 2004 Buick Century

2 Answers

My car has been running with only 9 km per liter, what could be the problem? The odor at the exhaust is very bad, it smells like an unburned gasoline.


O2 sensors shot. Air Injection System Throttle Body assembly. Also make sure your plugs and wires are 100% and your air intake system is clean.

Jul 13, 2009 | 1995 Honda Odyssey

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