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Kia engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 2002 Kia Sedona - Engine - 6/30/2014
    Can a clogged fuel pump make car misfire in one or more cylinders
    I start van runs good for a bit then the rpms go up and down then the van dies
     
    • Jimm
      6/30/2014 Jimm
      Yes, however more than likely the problem is related to lack of fuel pressure; clogged fuel filter, faulty fuel pressure regulator - check these items first before suspecting the fuel pump. The fuel filter is easily and inexpensively replaced; the filter itself is no more than $3.00 to $10.00 - depending on the source.

      First step - have the stored fault codes or check engine light scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA. Then, post a reply as 'add answer' with the specific code for more assistance. There may be a fault code stored in the OBD memory which may not be displayed as a check engine light.

      Possible Causes of Engine Hesitation or Stumble:

      Dirty fuel injectors (cleaning the injectors often fixes this)
      Dirty air filter (change filter)
      Dirty / clogged fuel filter (change filter)
      Bad MAP (manifold absolute pressure) sensor
      Bad TPS (throttle position) sensor
      Bad or dirty MAF (mass airflow) sensor
      Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
      Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
      Bad gasoline (fuel contaminated with water or too much alcohol)

      Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

      Dirty or worn spark plugs
      Bad plug wires
      Weak ignition coil
      Wet plug wires
  • AutoMD Member
    AutoMD Member - 2006 Kia Optima - Engine - 6/25/2014
    Broken timing belt in 06 kia
    other problems caused by broken timing belt
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2007 Kia Optima - Engine - 6/21/2014
    Engine will stop at tdc when rotating by hand . will roll back freely. is it likely timing chain has failed 107000 miles
    car stopped while driving oil leakage probably from top of engine but only 1 qt low 50 miles after wal mart oil change full synthetic oil
     
    0 answer
  • janataylor
    janataylor - 2001 Kia Rio - Engine - 6/20/2014
    Sometimes when I go to start my car it doesn't want to start? When she does this I sometimes have to press the has pedal
    My car has trouble starting sometimes. When she does this I have to step on the gas and rev it up some to make it where she won't die? What could it be?
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2006 Kia Amanti - Engine - 6/18/2014
    AIR WILL NOT BLOW NO SOUND EITHER WHEN HEATER AND AC OFF.
    the ac will not blow air nor the heat. the temp is turned down to the lowest degree and the ac is off but when i drive i can feel coolness seeping out the vents. which confirms that is does not need freon but the motor is not running.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2005 Kia Sorento - Engine - 6/6/2014
    Engine dies and wont restart
    Engine dies randomly figure it was the fuel pump replaced it took for test drive died on me again. motor will turn over but wont start. After waiting a while started for 30 sec then died again. Towed it home got in driveway, started engine was able to park car in ...
     
    • AutoMD Member
      6/6/2014 AutoMD Member
      Also does not show any codes and believe the battery is ok since it will crank and power windows work well and all But I will put a tester on the battery this evening to verify
  • AutoMD Member
    AutoMD Member - 2002 Kia Sedona - Engine - 6/1/2014
    What could be the problem
    I stopped to get gas and left the van running . I filled it full then it started to run funny then died. I startef it back up ran good for alittle bit then the rpms started to rev up and down for several seconds then died. I was able to drive it home but it would ...
     
    • techpaddle
      6/1/2014 techpaddle
      With engine running while refueling, the evaporative emission system is contaminated with raw gas. You can either continue driving it and hope it clears itself, or have the evap system purged.
  • AutoMD Member
    AutoMD Member - 2002 Kia Sedona - Engine - 6/1/2014
    What could be the problem
    I stopped to get gas and left the van running . I filled it full then it started to run funny then died. I startef it back up ran good for alittle bit then the rpms started to rev up and down for several seconds then died. I was able to drive it home but it would ...
     
    • techpaddle
      6/1/2014 techpaddle
      Fueling with the engine running has flooded the evaporative emission system, particularly the carbon canister. You can continue driving it and hope it clears itself, or have the evap system purged.
  • AutoMD Member
    AutoMD Member - 2002 Kia Sedona - Engine - 6/1/2014
    What could be the problem
    I stopped to get gas and left the van running . I filled it full then it started to run funny then died. I startef it back up ran good for alittle bit then the rpms started to rev up and down for several seconds then died. I was able to drive it home but it would ...
     
    0 answer
  • Dakup
    Dakup - 2007 Kia Sedona - Engine - 5/27/2014
    "why is my car making a rough sound for at least 15 seconds when started in morning before it normalizes"
    It occurs when ever the car is idle for for at least one hour
     
    • Jimm
      5/27/2014 Jimm
      Many different possibilities - is there any better description of...'rough sound'? Is the sound from inside the engine? Is the sound metallic? Is the sound knocking?

      Please post a reply with this added detail for further assistance.
      Jimm
      5/28/2014 Dakup
      Thank you. The sound is inside the engine> i asked my mech and he said there is a chain inside the engine which needs to be replaced. but i suspect it has to do with lubrication, , i guest at the start of the ignition, oil should be pumped to the top and is not done that might be the reason.because the noise stops after about 10 sec and after that it becomes smooth until u park the vehicle again for another period of about 30min pls advice me further
  • AutoMD Member
    AutoMD Member - 2002 Kia Spectra - Engine - 5/21/2014
    Car wont start after hearing a noise from engine sounded like something was grinding in there
    oil pressure light is on and check engine light on, i read some tips online to see if the crankshaft turns clockwise, it does for a about one rev but stops, the spark plugs are removed...car is a 02 kia spectra 132k miles
     
    • Chevy doctor
      5/14/2014 Chevy doctor
      Sounds like possible oil pump went out or something with the timing chain or belt. Usually the oil pump is driven by crankshaft or balancer and is mounted behind front cover.
      Chevy doctor
      5/14/2014 AutoMD Member
      Great news, thanks! Now before this all happened the car would ride rough, revving hard at highway speeds almost like it was forcing to shift down, any ideas?
    • Chevy doctor
      5/14/2014 Chevy doctor
      Maybe related to what happened. Wish I could give you more info.
    • I'mnottotallyRetartedhoney
      I would bet my wife that it's the starter ! As soon as u made the noise, I knew! Spectra's of my experience are infamous for starters goin bad. I personally had to do it 3 times to 1 car !!
  • AutoMD Member
    AutoMD Member - 2000 Kia Sephia - Engine - 5/20/2014
    Why does my engine viberate
    My engine viberates and behaves like plugs are soaked, it only does this when it's idle and gets worse when I put it in gear and step on breaks or when I put on the AC. but when I'm moving, it moves smoothly without any vibration or anything and resumes when I ...
     
    • Jimm
      5/20/2014 Jimm
      Several possibilities; engine vacuum leak, plug gap set incorrect, faulty ignition coil. Have the engine management system (OBD) scanned for free - for any stored fault codes. Post a reply with the results.
  • AutoMD Member
    AutoMD Member - 2013 Kia Sorento - Engine - 5/19/2014
    Why did my radiator fan continue running when I shut off the engine?
    Have 32,000 + miles. I pulled into my garage after a short trip to the store, shut off the engine, and the radiator fan continued running. First time it has ever happened. Did not have the AC on. It continued running until I disconnected the battery cable. What do ...
     
    • Jimm
      5/19/2014 Jimm
      Several possibilities; faulty radiator fan switch, faulty fan temperature sensor. If the vehicle is less than 3 years and 36k miles - it may be still under warranty, Have the dealership repair the vehicle under the new car warranty service at no cost to yourself.
  • AutoMD Member
    AutoMD Member - 2002 Kia Spectra - Engine - 5/14/2014
    Car wont start after hearing a noise from engine sounded like something was grinding in there
    oil pressure light is on and check engine light on, i read some tips online to see if the crankshaft turns clockwise, it does for a about one rev but stops, the spark plugs are removed...car is a 02 kia spectra 132k miles
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2014 Kia Sedona - Engine - 4/28/2014
    Why does the car shut off while driving?
    Got my 2014 Kia Sedona in June 2013. Twice this month the car has shut off while driving. What is the cause?
     
    • HouseCallAuto
      4/28/2014 HouseCallAuto
      Might be a bad crank sensor but doesn't this 2014 vehicle still have wwarranty?