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Kia engine repair questions and answers

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1015 Questions
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  • AutoMD Member
    AutoMD Member - 2004 Kia Spectra - Engine - 4/23/2014
    Why do I keep smelling gas?
    after sitting for 6hrs or more on initial start It smells like gas. after that nothing. what could it be?
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2004 Kia Optima - Engine - 4/22/2014
    Car idle smooth but when I put it in gear it stalls and goes to backfireing.
    The start of this problem the engine light came on to solve that problem I replaced mass air sensor ,Replaced ignition Coils,spark plugs,PCV valve,checked Timing Belt,replaced Fuel Rail and injectors.
     
    0 answer
  • medo
    medo - 2005 Kia Optima - Engine - 4/19/2014
    Car wont start at 1st or 2nd tries when cold
    car wont start at 1st or 2nd tries when cold its starts at 4th try pls tell me whts the fault thnks
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2013 Kia Sorento - Engine - 4/5/2014
    Motor shuts down while driving
    Wait a few minutes and restart
     
    • HouseCallAuto
      4/4/2014 HouseCallAuto
      This vehicle should still be under warranty, no?
    • Pepe
      4/5/2014 Pepe
      Plug in a scanner and check for codes.
  • AutoMD Member
    AutoMD Member - 2000 Kia Sportage - Engine - 4/1/2014
    Stalls, rough idle and fights to start & that is worse after driving for 20min or so then won't start up for a while
    Please help!! start the car and sometimes it's fine then out of nowhere it starts to idle hard, it stalls when I step on gas after being at a complete stop but never when I shift to park,drive ect. If I keep on gas at a light while on brakes it's ok, check engine ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2000 Kia Sportage - Engine - 4/1/2014
    Stalls, rough idle and fights to start & that is worse after driving for 20min or so then won't start up for a while
    Please help!! start the car and sometimes it's fine then out of nowhere it starts to idle hard, it stalls when I step on gas after being at a complete stop but never when I shift to park,drive ect. If I keep on gas at a light while on brakes it's ok, check engine ...
     
    0 answer
  • yorob61
    yorob61 - 2004 Kia Optima - Engine - 3/30/2014
    There is a ticking coming from my engine
    I don't know just hope it's not a rod bent
     
    • Jimm
      3/30/2014 Jimm
      First step - check and refill the engine oil level (as necessary). Once the oil level is OK - can you determine the source of the noise? From the top or bottom of the engine? Does the sound change with engine speeds? Need more information and detail to help you with this issue.

      For example a connecting rod knock will be a dull, low-pitched sound originating from inside or around the lower section of the engine - such as the oil pan.

      A valve or camshaft related knocking or ticking may be a lighter, tapping or clicking sound heard from the top of the engine - in the area just under the valve cover.

      You may use (carefully) an inexpensive stethoscope - a long handled screwdriver, with one end (the tip) touching the valve cover or area of the noise - with the handle end against your ear. With the engine running - listen and sense for the vibration and noise transmitted. You can inspect using this method for any place on the engine to determine the source of the sound.
      There are also mechanic stethoscopes available for this same purpose - check with the local auto parts stores in your area. I keep one of these in my tool kit - comes in handy.

      Please post a reply with the results
  • medo
    medo - 2005 Kia Optima - Engine - 3/18/2014
    when my car is temprature hot its radiator hoses both upper and lower are fine but when car is cold they both are bent
    when my car is temperature hot its radiator hoses both upper and lower are fine but when car is turned off left for cooling down they both are bent inwards whats the reason pls tell
     
    • Jimm
      3/17/2014 Jimm
      The suction from the water pump usually affects the lower hose.
      For the top hose it's suggested to check the radiator cap and the overflow tank line for blockage.
      Jimm
      3/18/2014 medo
      sir i have channge water bump
      Jimm
      3/18/2014 medo
      pls reply
    • Jimm
      3/18/2014 Jimm
      Have you checked the radiator cap and the reservoir / overflow tank line for blockage? If not, then start with these components.
      Jimm
      3/19/2014 medo
      i think they r fine maybe but confused in e reservoir / overflow tank line for blockage? pls explain it thnks
      Jimm
      3/19/2014 medo
      should i change the cap
  • AutoMD Member
    AutoMD Member - 2005 Kia Optima - Engine - 3/14/2014
    Check engine light came on, now will start but shuts off
    The car ran fine coming from work, now wont stay on. Check engine light was not on prior to going out to start it just now
     
    • HouseCallAuto
      3/14/2014 HouseCallAuto
      Plug in a code reader and see the fault code that is now stored so the problem can be diagnosed.
  • Thomas
    Thomas - 2003 Kia Spectra - Engine - 3/12/2014
    Car won't start unless I apply gas immediatley
    Was starting but when I shifted intio gear it would almost stall and I would have to pump the gas to get it to drive but would drive fine. This morning it stalled when I started it and I had to pump the gas to get it going
     
    • HouseCallAuto
      3/12/2014 HouseCallAuto
      Plug in a code reader and see what fault codes may be stored. the check engine lamp need not be illuminated for a code to be there. Post the code number after you check. This step cannot be skipped.
      HouseCallAuto
      3/13/2014 Thomas
      I was told by a Mechanic the Check eNGINE LIGHT NEEDS TO BE ON TO CHECK IT. iTS NOT ON.
      HouseCallAuto
      3/13/2014 HouseCallAuto
      You were misinformed. You cannot begin to diagnose any car without checking for fault codes first. That is a step that cannot be skipped.
  • Thomas
    Thomas - 2003 Kia Spectra - Engine - 3/12/2014
    Car won't start unless I apply gas as soon as I start it
    It was starting but when I would put it in drive it would almost stall and I could put the gas pedal all the way to the floor,then it would run. This morning it wouldn't start unless I applied gas immediatly.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2004 Kia Optima - Engine - 3/11/2014
    Check engine code p320
    rpm gage not working
     
    • Jimm
      3/11/2014 Jimm
      P0320 = Ignition/Distributor Engine Speed Input Circuit Malfunction
      First check the 20 amp ECU fuse in the under hood fuse box. Also check the O2 sensor fuses. If good, next check for battery voltage on the tan/black wires going to the coils while cranking. If good, check for ground of 0.05 volts on the black wires going to coils while cranking. If either is missing, check O2 wires for chafing or rub thru on heatshields or other objects under vehicle. Verify the O2 sensors operation is correct, if so - suspect the ignition failure sensor.
      The ignition failure sensor is not expensive and easy to replace. It is at the driver side end of the rear part of the valve cover.
  • joe
    joe - 2005 Kia Sedona - Engine - 3/10/2014
    Connector for scan tool
    can someone tell me where to connect scan tool on this van? I don't see nothing under dash. but under hood it has a connector that says diagnostics and has 12 pins, I have a 16 pin scanner, will this work. thanks
     
    • Jimm
      2/3/2014 Jimm
      The OBD2 / EOBD standard 16 pin data link connector located under the driver side dash panel.

      The diagnostic port located under the hood is Diagnostic Link Connector No. 73 - Left-hand side of firewall.
      Near or in the fuse box, or near the battery. Next to the airflow meter or battery.


    • Tracyskarma
      3/10/2014 Tracyskarma
      usually driver side right under dash....just about where your right knee is when you're sitting in driver seat. Thats where it is in my Sorento
  • AutoMD Member
    AutoMD Member - 2009 Kia Rio - Engine - 3/7/2014
    Car will not start: completely dead.
    UNTIL...open & slam the door, then the indicator lights all come on ( digital mileage read out, trip, etc.) at this point the car will start. there is no interruption during driving..when stop & turn off; same thing to re-start...entire system is dead: no read-outs, ...
     
    • Jimm
      3/7/2014 Jimm
      Yes - either loose battery connection - could positive or negative cable - at the battery or the other ends. I'd start right there - check the battery terminals for loose connection / corrosion - should be clean and tight.

      Also, check the negative (chassis) ground cable connection - opposite the battery - could be loose. Once these are OK - then move to the electrical system - checking wiring condition / relays / fuses connections at the panel.
      Jimm
      3/7/2014 AutoMD Member
      thank you..that's where I will start.
  • AutoMD Member
    AutoMD Member - 2001 Kia Sportage - Engine - 3/7/2014
    Lagging power oxy and camshaft changed now wont start
    HELP sportage was starting and driving ok but going though a lot of fuel and lacking power when diving or excelerating. Husband took off both catalac convertors completely still didn't fix. Ran codes that triggered both the oxygen sensor and the cam shaft sendor so ...
     
    • HouseCallAuto
      3/7/2014 HouseCallAuto
      Maybe the timing chain jumped. that would rob all the power and make someone think that the exhaust system is restricted from clogged cataklytic converters. That would also set a camshaft position sensor code.
    • bear.1216
      3/7/2014 bear.1216
      I would test the fuel system. Could have bad fuel pump, bad pressure regulator or a clogged fuel filter. Do a fuel pressure test to confirm. What were the diagnostic trouble code numbers. If you list the numbers it would help narrow things down. Did the vehicle run at all with the new cam sensor. If it ran with the old sensor and not with the new one, try reinstalling the old part or getting another sensor. It is possible to get a faulty new part. If your car turns over but wont start, you should start with the basics. Your engine needs fuel/air mixture, compression, spark and timing to function. Make those checks first. Check for fuel pressure and volume at the fuel rail test port. Then do a full compression test. From your origional symptoms I would recommend a compression and leakdown test for sure. Check for spark. Test for power to the ignition coils. Then you check timing. Not just ignition timing, but also valve timing. The cam sensor is a major part in establishing your timing. It controls the ignition timing and fuel injector timing. A fauly sensor will cause all of your issues. I would also check the condition of the timing belt. I suspect that your cam sensor was weak and failing and then you replaced it with a bad new sensor. I had this exact thing happen a few weeks ago. Typically if your engine fails to start and it does not set a DTC or check engine light, it is usually a bad fuel pump. Your engine diagnostics moniter all the sensors for faults, but it cant moniter if there is actually fuel in the lines. That is what you need to check.