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Honda engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 1997 Honda Civic - Engine - 1/21/2014
    97 Civic Ex tries to crank, but will not start. Where to start troubleshooting?
    This problem just arose today out of nowhere. I wasn't having any previous problems with the car. My fuel level was pretty low so when I went outside and it wouldn't start, my initial thought was I had ran it too low and didn't have enough fuel for it to fire. So I ...
    • HouseCallAuto
      1/21/2014 HouseCallAuto
      Stay with the basic flow of diagnostics first. Check for ignition spark. Yes / No ?
  • AutoMD Member
    AutoMD Member - 1990 Honda Accord - Engine - 1/18/2014
    Why does my engine have a rough idle until it reaches 2000 rpm
    Mileage 184,866. Engine feels like it's missing or has a dead cylinder on acceleration until it reaches 2000 rpm. Happens when hot & no engine light is on.
    • Jimm
      1/18/2014 Jimm
      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 - 2008 Honda Civic - Engine - 1/17/2014
    What are the probable consequences of an overfilled automatic transmission
    31238 miles.Replaced:water pump,tensioner,puller and drive belt.High pitch noise,like defective ball bearing noise,coming from the drive/belt area.Also strong vibration when cold start in the mornings.The noise was like a catastrophic sudenly faillure overnight>the ...
    • HouseCallAuto
      1/17/2014 HouseCallAuto
      I believe your noise may be related to this repair that was done with the water pump / belt / tensioner. The tranny fluid being overfull a quart wouldn't do anything and if it is more than a quart I have no data on that.
  • AutoMD Member
    AutoMD Member - 1994 Honda Civic - Engine - 1/14/2014
    Idles very rough, surges
    when I'm at a stop, if I shift into neutral, the idle smoothes out immediately
    • HouseCallAuto
      1/14/2014 HouseCallAuto
      Has plugs, wires cap and rotor been replaced yet? If not do so. Also replace the O2 sensor. Then update.
  • AutoMD Member
    AutoMD Member - 1994 Honda Civic - Engine - 1/14/2014
    Idles rough, surges badly
    at a stop, if I shift to neutral, the idle smooths out immediatley
    0 answer
  • Richard
    Richard - 2002 Honda CR-V - Engine - 1/13/2014
    I am pulling code p1077 which is a problem with the imrc assembly
    I have done several tests to the components of the intake manifold runner control assembly and came to the conclusion that the valve position sensor was bad so I replaced it and the idle is wild. how does the imrc assembly actually work? Does the valve position ...
    • HouseCallAuto
      1/13/2014 HouseCallAuto
      No the sensor just reports the position to the ECU. The actuator is turned by the vacuum actuator on the other end of the manifold.. I would replace the actuator if a P1077 is stored but better pay attention to installation detail. Lots of mechanics install it wrong and end up with the same code.
  • AutoMD Member
    AutoMD Member - 2006 Honda Pilot - Engine - 1/13/2014
    The VSA comes on a few minutes after I start the car and will not turn off by pushing the dash button.
    My Pilot has 90,000 miles. A few days ago I got gas and did not tighten the cap all the way. My malfunction light came on and I tightened the cap after driving about 5 miles. The malfunction light went off a few hours later. The next day, the malfunction light ...
    0 answer
  • AutoMD Member
    AutoMD Member - 2011 Honda Pilot - Engine - 1/9/2014
    Groaning and loud spitting nouse from under hood on cold morning start up
    30k miles on car has done since new
    0 answer
  • SleddinYeti
    SleddinYeti - 1990 Honda Accord - Engine - 1/6/2014
    Where does my o2 sensor plug in?
    i had code 41, o2 heater sensor failure, so i went to change it only to realize that it wasnt plugged into anything at all, and i searcherd high and low all day today and couldnt find where to plug it in, help!!!
    • Jimm
      1/6/2014 Jimm
      There are two (2) O2 sensors; one each upstream and downstream of the catalytic converter. Each sensor has its own connector - there will be a wiring harness / pigtail group of at least two or three wires to each individual sensor on the exhaust system.
      It could be that the O2 sensor connector is simply missing / damaged - the wiring pigtail is available in the aftermarket as a separate item.
      The parts are readily available; try these on-line sources;,,,, - to list only a few possibilities. In fact they (PartsGeek) list the O2 sensor pigtail and connector from around $8.00 for your vehicle.

  • AutoMD Member
    AutoMD Member - 2006 Honda Ridgeline - Engine - 1/4/2014
    How can I get a melted coilpack removed?
    Front centre
    • HouseCallAuto
      1/4/2014 HouseCallAuto
      There are no rules here. You use whatever you have. Since I cannot know exactly what will not move because I cannot see it, I do know that whatever it is it is made of composite materials and tools can overcome composite materials that have melted / become stuck / whatever. If you mean that you removed the hold down retaining bots and the coil will not move up well then you pry it up with a screwdriver.
  • jack
    jack - 1997 Honda Accord - Engine - 1/3/2014
    How do I change map sensor?
    Check engine light is on. Po108
    • HouseCallAuto
      1/3/2014 HouseCallAuto
      It is right on the top of the right side of the engine on the top of intake manifold. Very easy job.
  • AutoMD Member
    AutoMD Member - 1992 Honda Accord - Engine - 1/1/2014
    Whats wrong when my car is ..Leaking water and running hot.
    Heard a hose blow on the backside of engine and since then I leak water. Running or dead stop if I add water it just leaks out.
    • Jimm
      12/29/2013 Jimm
      Repair / replace the leaking hose. Refill the cooling system and the overheating problem will be resolved.
    • Carrie
      1/1/2014 Carrie
      Might want to check your water pump as well.
  • AutoMD Member
    AutoMD Member - 2010 Honda Accord - Engine - 12/31/2013
    Starter makes grinding metal sound when cold
    44k miles. first start of day the starter makes a grinding sound. Turn off ignition and start again=no problem. doesn't happen for rest of day but then again when engine is cold.
    • HouseCallAuto
      12/31/2013 HouseCallAuto
      The flywheel has a few damaged teeth. Remove the starter and visually examine all the teeth a few teeth at a time. When you find the damaged one (it will be evident) use a file to clean it up / dress them smoothing out mushroomed edges and see if that helps. A new starter should also be installed at this time. You may only have one shot at avoiding replacing the flywheel by reshaping the damaged teeth so be patient doing it. If the teeth are really bad it may not help but try it.
  • peter
    • HouseCallAuto
      12/30/2013 HouseCallAuto
      The cooling fan is not working. There is a cooling fan sensor / switch mounted near the distributor less than one inch away from where the radiator hose attaches.
  • AutoMD Member
    AutoMD Member - 2008 Honda CR-V - Engine - 12/29/2013
    When I turn off engine and try to lock doors with remote entry key, the horn goes off continuously for about 20 seconds.
    It stops for 2 secs and goes off again
    • Bill
      12/29/2013 Bill
      Try disconnecting the neg battery terminal for a minute and then reconnect to re-boot ECM then get back with us. Remote control system may need to be re=programmed if this doesn't work.