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Honda engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 1999 Honda Accord - Engine - 4/13/2014
    Why won't my car stay running?
    ReCently I was driving and I turned the corner my car shut off I noticed that the temperature gauge was higher than normal also fluid was leaking out I thought it to be oil but there is also a sweet smell. Car was starting but won't stay running.
    • HouseCallAuto
      4/13/2014 HouseCallAuto
      Plug in a code reader and see what fault codes are stored. Find / locate the origin of the leak. The answers to those two things will be very telling to a mechanic.
  • AutoMD Member
    AutoMD Member - 1995 Honda Accord - Engine - 4/12/2014
    How to reset the ignition switch
    resetting or programing a new ignition switch/lock assembly
  • AutoMD Member
    AutoMD Member - 2007 Honda Civic - Engine - 4/8/2014
    The panic alarm is going off in the car and cant shut it because key fob batteries are dead
    We had to disconnect the car battery to make it stop. thought that would reset it, but it didn't. What would cause this?
    0 answer
  • AutoMD Member
    AutoMD Member - 1996 Honda Passport - Engine - 4/8/2014
    What is causing the rpms to be at 2 when I am stopped?
    I have had 4 02 sensors and h20 sensor replaced. Also throdal cable . what could be causing this? If I just drive 10 miles it is fine anything over that it starts to rev even at the stop sign. and keeps reving until I turn it off and let it cool down. Please help ...
    0 answer
  • AutoMD Member
    AutoMD Member - 2003 Honda Odyssey - Engine - 4/2/2014
    Alternator was replaced seven months ago
    Now, All dashboard indicating warning lights come on when accelerating
    • Jimm
      3/28/2014 Jimm
      Even with the new alternator - there are several possibilities; worn / faulty serpentine drive belt, worn drive belt tensioner, corroded / loose battery terminals or cable connections. Reference the AutoMD website and the 'How-To-Guides' for the specific steps to inspect and repair these items.

      As the first step - raise the hood to examine / inspect the battery terminals - should have no corrosion and should be clean and tight. Next, have the alternator, battery and charging system tested - for free - at any local auto parts store. Post your reply with these results for further assistance. The major indicator here - with your description is - the warning lights are on when accelerating - this indicates the issue is directly related to the belt and alternator pulley - specifically the lack of belt tension around the alternator pulley.

      With the worn belt and/ or belt tensioner - the slipping occurs to cause the under charging condition (low current or voltage output) from the alternator.

      The parts are readily available from these many on-line sources,,,,, - to list only a few possibilities.
      In fact, they (RockAuto) list the serpentine drive belt from around $9.40 and the belt tensioner from around $22.70 for your vehicle.
    • HouseCallAuto
      3/28/2014 HouseCallAuto
      Since you did not mention any other detail I will assume that there is no noises also audible at the same time the lights are coming on? I will assume that you have not had the battery go dead and that the vehicle seemingly is still functioning normally and all that says that something is a miss is because these warning lampos are coming on when you accelerate the vehicle?
    • AutoMD Member
      3/29/2014 AutoMD Member
      Good question HouseCall. There's no discernible noise associated with the engine or alternator. The battery has not (yet) discharged and the vehicle is running normally.

      Having purchased a replacement alternator at O'Relly's seven months ago, I took the van there yesterday to borrow their diagnostic meter. The only code that popped up had something to do with emissions. The counter guy opined that the problem may be a short in one of the wiring harnesses. With a slight shift in the engine under load, he stated that could be the cause of all dashboard waring lights coming on. When I say all, I mean all, including 5 door ajar lights.

      After reading your response this morning Jimm, I'm inclined to further explore the steps you laid out. Thanks for both responses. Being old-school, I recall with fondness, the days when everything was accessible while working on cars. For all the innovative advances made to increase mileage and so forth, popping a hood now is an exercise in raw courage. On that tip, new cars suck. Being on SSD with the willingness to tackle a repair, the physical stamina required to get at anything busted just isn't there. I appreciate your posting the price of parts, if for no other reason than to be aware if some guy in a garage tries to take this Irishman to the cleaners.

      Next question: What's involved with a belt/tensioner repair? If not feasible for the average joe to tackle, what's considered a fair price for the repair? Your input and cyber-diagnostic feedback is appreciated.
      AutoMD Member
      3/29/2014 Jimm
      Ten minute task to replace the belt tensioner.
      Step 1) Remove the drive belt - use a pry bar or square drive / wrench on the belt tensioner to relieve the spring pressure - slip the belt off the tensioner pulley.

      Step 2) Remove the belt tensioner - loosen and remove the attachment bolt.

      Step 3) Install the new belt tensioner.

      Step 4) Install the serpentine drive belt - or a new belt as needed. The last step for the belt install is to reverse the removal step 1 - using the pry or wrench metho
    • HouseCallAuto
      3/29/2014 HouseCallAuto
      What i need to know is if the all the lights that come on when you accelerate are all of the same lights that come on for a bulb check when the ignition key is switched to the "on" position? Also, do the lights go out when you take your foot off the gas pedal?
    • AutoMD Member
      4/2/2014 AutoMD Member
      if it is a after market alternator it may be bad I have a 2002 and replaced it with after market and less than three months later it went out again mechanic at dealer said for some reason they seam to go out quick so if all else looks good I would have it checked
      AutoMD Member
      4/2/2014 HouseCallAuto
  • AutoMD Member
    AutoMD Member - 1993 Honda Prelude - Engine - 4/2/2014
    Why does my engine seem like it is shaking? Why is it so sluggish to accelerate? Why is it idling so low?
    Just today my car started idling around 1000 RPM after ignition and dropping to about 400 RPM, making my engine seem to shake. Afraid it was going to stall, I revved the engine but it sunk back to 400 RPM and continued shaking. It also seems extremely sluggish when ...
    • Pepe
      4/2/2014 Pepe
      It sounds like it could be one of your sensors, any codes stored in the ECU? It could be running a rich fuel mixture, that could cause a rough idle, misfire, and general poor running of the engine. I would check the ect sensor. If that sensor is bad, the ECU is seeing a cold engine even though it may have warmed up and keep running in open loop ( rich mixture) setting until it gets a signal from the ECT sensor. You could check resistance before purchasing a new one.
  • AutoMD Member
    AutoMD Member - 2008 Honda Pilot - Engine - 4/1/2014
    Cost for replacing timing belt tensioner
    Leaking oil that would cause the belt to break and damage engine.79,000 miles.This is a new problem.
    • HouseCallAuto
      4/1/2014 HouseCallAuto
      The timing belt tensioner gets replaced when the timing belt gets replaced typically. I don't understand why you are only asking about this one component. is there more detail? The timing belt water pump and tensioner replacement would run about $800 with parts and labor.
  • TLH
    TLH - 1994 Honda Civic - Engine - 3/31/2014
    Engine dies when you release the key
    Turn key to start, it starts, release key and it dies. No power to electric windows unless key is turned.
    • Jason
      3/22/2011 Jason
      Sounds like the ignition switch is bad.

    • Pepe
      3/31/2014 Pepe
      You can easily find a diagram that shows you how to test and replace the ignition switch, there may be a loose connection also but most likely you switch is bad.

    • HouseCallAuto
      3/31/2014 HouseCallAuto
      1. Test the ignition switch by locating the Brown connector, in the driver's fuse box, just above the fuses. Locate the Black/Yellow (BLK/YEL) wire in the Brown connector. That wire should have battery voltage in the start and run position.

      2. If the BLK/YEL wire does not have battery voltage in the run position, jump the White (WHT) in the Brown connector to the BLK/YEL wire, and if the vehicle keeps running, the ignition switch has failed.
  • nacho
    nacho - 1993 Honda Civic - Engine - 3/31/2014
    How can i know, what type of motor ??
    how can i find out what type of motor does my car has?? looking for parts for my car they ask me what type of motor my car has , and i can find anything that tells me if is 1.5, 1.6 , si, sx, cx,dx,ex,xl,sx,. how can i know?
    • Bobby
      3/23/2011 Bobby
      They put it in several places on the car one is usually on the top of the engine it says it. It also will say it on the vehicle info sticker that all manufacturer's put under the hood and on the side of the drivers front door. unless someone removed those at some point they should be there. Check on the under side of the actual hood, its usually labeled engine family. as for what sub model you ex dx si? that is on the back of the car if the emblem has fallen off then check your registration it should be on there.
      3/23/2011 nacho
      looking for those lables i notice that they paint the car and i do not see any lables on the door, hood and on the motor it just say 16 valvles and nothing else on the back part does not has anything . can you tell just looking at the motor the way the parts are or if the 1.5 has something els then the1.6 i don't know something like that u know
    • Pepe
      3/31/2014 Pepe
      Hi nacho, most of the time you can tell by looking at the top of the engine. It is usually located on your valve cover. An easy way for me to pull this information is by going to this website... just type in your vin number and it will give you all that info. It's an easy way for me to identify the car's info when I do work on them.
      3/31/2014 HouseCallAuto
      great answer, was gonna say the same thing.
  • drcuda
    drcuda - 2002 Honda Civic - Engine - 3/31/2014
    Warm or cold, when I pull up to a stop and the rpm's drop below 1000 the engine will shudder/stumble and either die or-
    idle, adjusting the valves helped. veh has 128K miles. after replacing timing belt it does not happen as often. mainly just stumbles at idle, rpm drops to 450 then comes back to normal.
    • decrepitbirth
      3/23/2011 decrepitbirth
      check your spark plug connections and feel if the exhaust is coming out in an even manner, if it doesnt feel completely even you may have a wiring problem or a bad connection in your engine somewhere.hope i helped somewhat
    • david
      3/24/2011 david
      clean throd body and idle up
    • Pepe
      3/31/2014 Pepe
      You probably have a vacuum leak, a bad tps or maf sensor.
  • AutoMD Member
    AutoMD Member - 2007 Honda Civic - Engine - 3/31/2014
    My car seems to be idling high. when in drive, as i accelerate the RPM 's seem to be reving up.
    The sound it makes occurs when the speed increases from 35-40 and beyond. The engine light does not come or or any other computer notations. The best way to describe the sound is similiar to a small plan increasing or decreasing elevation. This does not happen ...
    • Pepe
      3/31/2014 Pepe
      First make sure you have no vacuum leaks, may be a dirty throttle body, another thing you may want to look at is your MAF sensor, use a cleaner from CRC that is specially made for this sensor, if that doesn't work than it could be a faulty TPS.
  • Dan
    Dan - 2002 Honda Accord - Engine - 3/30/2014
    Car wont start after it rains.
    car was not driven on Sat., Sunday morn. will not start. water inside engine compartment all wet. anybody now why or how?
    • HouseCallAuto
      3/30/2014 HouseCallAuto
      First thing to do is check and see if there is ignition spark and if not, replace the distributor ass'y.
      3/30/2014 HouseCallAuto
      Before replacing distributor ass'y, replace the distributor cap and rotor and wires.
  • kique
    kique - 1996 Honda Civic - Engine - 3/28/2014
    My car started to smoke or steaming on the way to work. Any ideas?
    Was making a squealing sound and was very wet and humid outside.
    • AutoMD Member
      3/27/2014 AutoMD Member
      That is a telltale sign of a head gasket problem. Don't continue to drive it like that. I may cause more damage to other components.
    • Jimm
      3/28/2014 Jimm
      Several possibilities; faulty / cracked / leaking radiator hose, faulty / leaking heater hose, faulty / leaking water pump, leaking cylinder head gasket.

      As the first step, raise the hood and inspect all the radiator and heater hoses for leaks or cracks / damage.
  • kique
    kique - 1996 Honda Civic - Engine - 3/27/2014
    My engines overheating, how do I find the problem?
    Was driving it when it started to steam I pulled over and looked and there was no coolant maybe a leak?
    • HouseCallAuto
      3/27/2014 HouseCallAuto
      Yes, a leak. The most common cause of overheating is because of an external leak from a water pump or a radiator or heater hose. The way to find the leak is to wait till it is overnight cold and maybe just pour water in and see if the leak is large enough to see it simply leak out from where it has a leak. if you pour in a half gallon or more and you still see no leak its time to pressure check the system. Rent for free with a deposit from an auto parts chain store like pep boys or auto zone a cooling system pressure tester. Also, on Honda engines there is typically a bleed screw located on the water outlet housing to allow the trapped air to escape after you have added water or coolant and opening this bleeder screw should always be done after adding water or coolant unless the system is not overheating and you just are topping off the coolant level.
  • AutoMD Member
    AutoMD Member - 1997 Honda Accord - Engine - 3/26/2014
    If I have bent valves. Caused by the timing belt breaking. Can I just replace the ccylinder head with a rebuilt one. For
    just replace the timing belt, tensioners, ext.
    • HouseCallAuto
      3/26/2014 HouseCallAuto
      You can replace the cylinder head with a rebuilt unit. And of course you must solve the bent valves. Not sure why you ask if you can just replace the timing belt and tensioners?