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2004 emissions malfunction inticator light

Tonight the car started bucking and smells like gas and the malfucntion indicator light c ame on it was put on diagnostic and found nothing light was not on but when I went to pull out light came back on and bucked and smelled like gas what is the problem

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  • lcommerford1
    lcommerford1 Dec 02, 2012

    I was told cadilaac converter and I just got 3 comments about the fuel filters and possible gas line

  • lcommerford1
    lcommerford1 Dec 02, 2012

    would this be for a dodge durango

  • lcommerford1
    lcommerford1 Dec 02, 2012

    where to I check for these signals. I dont have my book with me its in the car locked up at the shop. Can I find it on line

  • Anonymous Dec 02, 2012

    You provided no vehicle or codes. If your at a repair shop hopefully they will resolve. I think your best to ask some questions at the shop as you need to study obd systems they have been with us sine 1981. The codes are retrieved from connector under the dash & you need a code reader then charts to figure them out anyway

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Posted on Dec 02, 2012

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Posted on Jan 02, 2017

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SOURCE: 2005 nissan murano "s" surges and bucks when accelerating.

You need to have your engine flushed and cleaned out. One or more of your spark plugs aint firing. You need to replace them all to include the wires as well. If you dont get your engine flushed, you could blow your engine up.

Posted on Dec 03, 2008

  • 3 Answers

SOURCE: 2004 Hyundai Sonata Malfunction Indicator light

It sounds like you need a new fuel filter. if that is to dirty, it wont allow the correct amount of full to be pushed to the engine. try changing that or using a Fuel treatment in the meantime. Hope this helps :)

Posted on Apr 10, 2009

Molson02536
  • 3854 Answers

SOURCE: Gas smell when starting and small dripage when back up from under engine

It sounds like the return fuel line is leaking. There are two fuel line and one is the high pressure line which goes to the fuel pressure regulator then to the fuel rails. There is then a return line from the fuel rail to the gas tank.
With the amount of fuel leak, it's going to be the return line since it's not that bad compared to the high pressure side. Follow the fuel lines from the drivers side around the steering shaft to the engine. The high side and low side (return) run side by side and you should see it leaking when the engine is running.
Good luck and hope this helps.

Posted on May 25, 2009

  • 5520 Answers

SOURCE: Hit the gas and get a bucking, bucking and more bucking.

There's alot that can cause this problem. Check battery cables and clean. Drive to autoparts place for free diagnostic. It could be a throttle position sensor, EGR valve, bad gas, bad coil, bad plug wires. Just to name a few. Hopefully the diagnostic test will pinpoint it.

Posted on Jul 04, 2009

  • 138 Answers

SOURCE: 2004 Malibu Maxx gas smell from under tank.

If could be the correct fuel cap but defective

Posted on Aug 29, 2009

Testimonial: "Thank you. I'll buy a new cap and hope it works."

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2 Answers

On my 02 elantra once the engine is warmed up it will not rev up when i push the gas what can cause this


It sounds like your engine is going into the 'limp home' mode, indicating there is a significant emissions equipment malfunction. Is the 'check engine' light on? You can take the car to a decent Auto Parts Store (O'reilly, Autozone,etc) and they will scan for the error code and reset the 'light' and get the car out of 'limp home' if the fault was intermittent. If the light comes back on, the malfunction has to be repaired. Literally dozens of minor malfunctions will cause this. The Federal Emissions Standard laws REQUIRE the 'limp home' mode when the malfunction will cause a significant increase in emissions. The problem could be a loose gas cap or loose vacuum line etc. MAJOR component failures are rare.

Jul 23, 2014 | Hyundai Motor 2002 Elantra

1 Answer

Is this also for a 2004 doidge durango smells like gas bucking and emissions imalfunctions indicator light coming on


Since you have a dash light on--there should be
no wondering what to do

Check for codes,every time

Have to resolve codes related issues first

Dec 02, 2012 | Cars & Trucks

2 Answers

Engine chugging, like there is no gas but there is and a sulphar smell


the convertor is the problem.will cause decreased engine power, another sign is bucking and jerking upon accelerating. the car will lose power when going up a hill. if engine runs hotter then usual and coolant is up to par, may be a bad converter.

Jan 11, 2011 | 1998 Oldsmobile Intrigue

1 Answer

Traction control light comes on letting me no that I have an emissions control problem. Is my O2 sensor beginning to fail @ 115,000 miles it starts running rough and looses power


your dumb
what the **** your traction control light comes on to tell you you have low traction or a traction control malfucntion not a emissions problem where do peoplee get all this dumb information

Nov 04, 2010 | 2004 Honda Accord

1 Answer

Went on trip, drove a little over 500 miles to destination. When went from one freeway to another car seemed to go into a limp mode after slowing to bout 20- 25 mph. I reset by putting it in park turning...


PO456 is most times a gas cap or gasket,
to get an incorrect gear ratio the transmission has probably started to slip.

Change the fluid and filter first off in the transmission and use only atf+4 fluid and possibly the govenor pressure sensor,and change gas cap.

Jun 02, 2010 | 2003 Dodge Intrepid

2 Answers

Check engine light came on. Code P1456.


Did you change the gas cap with a Honda gas cap? Tighten it at least three clicks?
Also, Honda recommends that you never top off the tank when getting gas (only go to the click-off of the pump; otherwise you can get back flow into the system that will cause the code).
Tightening or replacing the cap will not immediately cause the light to go off; it can take up to three days of driving for the light to reset.
To check if your readiness codes (emission system) are set, turn the ignition to ON (II), without starting the engine. The Malfunction Indicator Lamp will come on for 20 seconds. If it then goes off, the readiness codes are set. If it blinks 5 times, the readiness codes are not set.
You can, of course, try resetting your engine light to see if it will come back on (which it probably will). I believe the procedure is:
Turn off the engine.
Press and hold the Select/Reset knob (odometer) in the instrument panel, then turn the ignition switch to ON (II).
Hold the knob for approximately ten seconds until the indicator resets.

Hope this helps you.

Nov 17, 2009 | 2004 Honda Pilot

1 Answer

Malfunction Indicator Lamp Illuminates: Chev Aveo 2005


U can still drive the car, the light means that a malfuntion has occured in the engine/emission system electronic controls, have the system tested for the trouble code that was stored with the light.

Jun 18, 2009 | 2004 Chevrolet Aveo

1 Answer

2004 Hyundai Sonata Malfunction Indicator light comes on and stays on. The car will start but only stays running about 3 seconds and cuts off. I tried putting gas in thinking the gauge might be inaccurate,...


It sounds like you need a new fuel filter. if that is to dirty, it wont allow the correct amount of full to be pushed to the engine. try changing that or using a Fuel treatment in the meantime. Hope this helps :)

Mar 24, 2009 | Hyundai Motor 2004 Sonata

1 Answer

The malfunction indicator light


Don't reset the battery, as it will only remove the error code but does not fix the problem. You may want to locate a store that can
check obd 1 (1995 and older).

Aug 18, 2008 | 1995 Toyota Camry

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