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Raw gas smell in the car

What to look for with a plugged catalytic converter

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Rough idle....loss in power...over heating (running hotter than normal)....smell gas....

Posted on Feb 01, 2009

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freetek
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SOURCE: 1992 Geo Storm

If the cat was doing anything, it would smell like rotten eggs.
If you have raw gas smell, use caution; you have a leak somewhere in your fuel delivery and you could see flames eventually.

Posted on Aug 27, 2008

volvo2103
  • 122 Answers

SOURCE: raw gas smell in the car.

rough idle...loss in power...overheating....

Posted on Feb 01, 2009

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1993 LS 400. Starting out the car just is slow. It's not the tranny. Tranny shifts perfect including reverse. I smell gas. Old lady drove car the whole time. 118,000 miles


IF WHAT YOU SMELL IS RAW GAS THAT IS AN URGENT PROBLEM THAT SHOULD NOT BE PASSED OVER. IF YOU SMELL A ROTTEN EGG SMELL THEN YOU MIGHT HAVE A CATALYTIC CONVERTER PROBLEM THAT GIVES POOR ACCELERATION. CHECK FOR FUEL LEAKS AND CHECK FOR ENGINE VACUUM AT IDLE. MUST BE AT LEAST 19 INCHES,. IF NOT, YOUR CONVERTER IS PLUGGED.

Apr 09, 2015 | 1993 Lexus Ls 400

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I have a 99 chevy lumina 3.1 v-6 there is a censer behind the catalytic converter, check engine light stays on, car acceleration is sluggish as a strong odor.


The sensor is the oxygen sensor and it has a lifespan based on mileage and that is around 60,000 miles. If they go bad you have the driveability issues that you are talking about. But if the catalytic converter is bad too then it makes it worse.

Sep 12, 2014 | 1999 Chevrolet Lumina

1 Answer

Obd light on, idle rough, smell, no throttle


The obd light with tell specifically what it is, is it gas or rotten egg - the latter means catalytic converter, gas smell probably flooded or not firing on one or more cylinders, need more details. Also, if the light is flashing it's warning of catalytic damage - raw fuel hitting the cat, smell could be heat from cat trying to burn off raw fuel,it will glow red hot.

Dec 15, 2013 | Chevrolet Aveo Cars & Trucks

1 Answer

1992 GMC Sierra that has failed smog test twice. The motor is not burning gas, the gas is going straight through.


Has your check engine light come on? If so, have the code read and deciphered. When you say "the gas is going straight through", do you mean that there is raw fuel coming out the exhaust pipe? If no codes are present, you should start with a tuneup - plugs, wires, distributor cap, rotor, points or inductive pickup, fuel and air filters. If the fuel isn't being burned, you have some kind of ignition failure, AND raw gas in the exhaust will fail the hydrocarbon test in a heartbeat. Original exhaust system? Including catalytic converter(s)? If so, converters are probably trashed by now. Good luck.

Sep 30, 2013 | GMC Sierra Cars & Trucks

1 Answer

Rotten egg smell


engine burning rich need clean fuel injectors and change air filter because some raw unburn fuel get in catalytic converter cause rotten egg smell.

Dec 20, 2012 | 2000 Chrysler Concorde

2 Answers

Rough idling, poor gas milege


Usually the rotten egg smell is a clogged CAT. Is the engine light on and if so did you retrieve any codes?

Apr 29, 2010 | 2000 Chevrolet S-10

1 Answer

2004 ranger 3.0L starts but idles rough then stalls. Problems started with major loss of power with a hi pitched whistling and strong exhaust smells.


I suspect you have plugged catalytic converter - hence the whistle. If you hook up a vacuum gauge to the intake manifold vacuum port, it will be low, like around 10 when it shoul dbe 17 incehs of vacuum.
Was you check engine light flashing? If so, too much raw fuel getting in converter overheating it.

Dec 20, 2009 | 2004 Ford Ranger

2 Answers

1998 ford taurus SE,raw gas smell, shows EGR valve insufficiency, replaced valve twice, still shows same code


Check the hoses coming from your egr they are prone to cracking and leaking.

Oct 09, 2009 | 1998 Ford Taurus

1 Answer

Raw gas smell in the car.


rough idle...loss in power...overheating....

Feb 01, 2009 | 2002 Subaru Outback

1 Answer

1992 Geo Storm


If the cat was doing anything, it would smell like rotten eggs.
If you have raw gas smell, use caution; you have a leak somewhere in your fuel delivery and you could see flames eventually.

Aug 27, 2008 | 1993 Geo Storm

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