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Chrysler engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 2001 Chrysler PT Cruiser - Engine - 4/29/2014
    (Why doesn't my car idle?) My car does not idle. i have to press the gas for it to start, and as soon as i let off itdie
    120,000 Miles The car will not idle when its cold nor hot. It sat for a few months and i just fixed a head gas. Put it back together and now will not idle. ABS brake light is on. Check Engine light IS on.
    • AutoMD Member
      4/29/2014 AutoMD Member
      Sounds like Vacuum leak or no vacuum detected maybe from hose off or missing etc. The fact that you have ABS + Engine Idle issue, I'd double check all hoses to make sure they are all in correct locations and not cracked etc. Master Cylinder for Brakes uses vacuum and this might cause the ABS light.
  • AutoMD Member
    AutoMD Member - 2002 Chrysler PT Cruiser - Engine - 4/29/2014
    Why does the car have a bubbling sound when I turn the engine off?
    115,000 happens once the car is warmed up only when I turn the engine off do I hear the bubbling....It happens whenever I drive the car....It is not running hot, I keep coolant in it at all times.....It started sometimes in January....I replaced the ...
    • AutoMD Member
      4/29/2014 AutoMD Member
      I'd pop the hood and try to determine the location of the noise. I have seen a blown head gasket before that caused the radiator overflow tank to bubble even after engine is shut off due to exhaust gas that was able to escape the cylinder into the water jacket, but yet no loss of water out exhaust, and no oil/water mix etc. New head gasket and problem was solved. This was a 1986 Pontiac Sunbird 1.8Liter sohc. Same bubbling noise when shut off as the gas pressure in coolant system was venting out the radiator overflow tank, just bubbling like as if a fish tank pump was pumping air into it.
  • AutoMD Member
    AutoMD Member - 2004 Chrysler Concorde - Engine - 4/28/2014
    What would cause two intake or cylinder valves to stay stuck open?Bent?
    My car is throwing code po303 which is cylinder 3 misfire so I changed the spark plug and coil over plug and it didnt fix it so I dissasembled so I could see down into the intake and noticed that cylinder 3's valve were open about a quarter of an inch. The car was ...
    • HouseCallAuto
      4/28/2014 HouseCallAuto
      Rotate the engine with a ratchet and look at those valves in 3 and see if they are moving and see if they close or not and if they do not close, remove the valve cover and check for broken valve springs.
  • b.ray
    b.ray - 2001 Chrysler 300M - Engine - 4/24/2014
    Why does the check engine light come on when I use regular unleaded fuel?
    The check engine light goes off when I use Chevron supreme unleaded fuel. The owners manual says I should be able to use regular unleaded. I bought the car one year ago. Current mileage is 102,000.
    • CVO
      4/24/2014 CVO
      It is important to use fuel of the proper octane rating in your car. Octane rating is based on the quantity of anti-knock compounds added to the fuel and it determines the speed at which the gas will burn. The lower the octane rating, the faster it burns. The higher the octane, the slower the fuel will burn and a greater percentage of compounds in the fuel prevent spark ping (knock), detonation and preignition (dieseling).

      As the temperature of the engine increases, the air/fuel mixture exhibits a tendency to ignite before the spark plug is fired. If fuel of an octane rating too low for the engine is used, this will allow combustion to occur before the piston has completed its compression stroke, thereby creating a very high pressure very rapidly.

      Fuel of the proper octane rating, for the compression ratio and ignition timing of your car, will slow the combustion process sufficiently to allow the spark plug enough time to ignite the mixture completely and smoothly. Many non-catalyst models are designed to run on regular fuel. The use of some super-premium fuel is no substitution for a properly tuned and maintained engine. Chances are that if your engine exhibits any signs of spark ping, detonation or pre-ignition when using regular fuel, the ignition timing should be checked against specifications or the cylinder head should be removed for decarbonizing.

      Vehicles equipped with catalytic converters must use UNLEADED GASOLINE ONLY. Use of leaded fuel shortens the life of spark plugs, exhaust systems and EGR valves and can damage the catalytic converter. Most converter equipped models are designed to operate using unleaded gasoline with a minimum rating of 87 octane. Use of unleaded gas with octane ratings lower than 87 can cause persistent spark knock which could lead to engine damage.

      Light spark knock may be noticed when accelerating or driving up hills. The slight knocking may be considered normal (with 87 octane fuel) because the maximum fuel economy is obtained under condition of occasional light spark knock. Gasoline with an octane rating higher than 87 may be used, but it is not necessary (in most cases) for proper operation.

      If spark knock is constant, when using 87 octane fuel, at cruising speeds on level ground, ignition timing adjustment may be required.

      Your engine's fuel requirement can change with time, mainly due to carbon buildup, which changes the compression ratio. If your engine pings, knocks or runs on, switch to a higher grade of fuel. Sometimes just changing brands will cure the problem.

      If you plan to drive your car outside the United States or Canada, there is a possibility that fuels will be too low in anti-knock quality and could produce engine damage. It is wise to consult with local authorities upon arrival in a foreign country to determine the best fuels available.
  • AutoMD Member
    AutoMD Member - 2005 Chrysler Town & Country - Engine - 4/23/2014
    Why am I losing oil?
    no leaks, no smoke, no oil in radiator. just loses a quart every 300 miles.
    • CVO
      4/23/2014 CVO
      Losing oil works their way through the worn valve stem seals and penetrates into the combustion chamber. No smoke, no leaks.
      See this url
      for the valve stem seal.
  • AutoMD Member
    AutoMD Member - 2003 Chrysler Town & Country - Engine - 4/22/2014
    When I turn the ignition switch the engine do not do anything I check battery is okay I put new ignition coil
    I put new ignition coil on still engine will not turn over do any body have any ideal on was going on !
    • HouseCallAuto
      4/22/2014 HouseCallAuto
      Description is too vague. What does it mean ""engine do not do anything"?
  • AutoMD Member
    AutoMD Member - 2006 Chrysler Town & Country - Engine - 4/22/2014
    Why am I losing oil?
    no leaks detected, no smoke, no oil in radiator, just loses a quart every 300 miles.
    • HouseCallAuto
      4/21/2014 HouseCallAuto
      No answer here. If no external leak is really confirmed then it is burning the oil. There is no other cause. One or the other.
      4/22/2014 AutoMD Member
      What would cause it to burn oil with absolutely no exhaust smoke.
    • HouseCallAuto
      4/22/2014 HouseCallAuto
      Experiment...Try using full synthetic and see if any change. Also pay attention to how much oil is put in after an oil change with filter. 5.0 quarts exactly. And of course 5W20 oil. Oil can burn gradually and leave no smoke trail, this is not some new anamoly. Your catalytic converters will take the toll.
  • Lisa H.
    Lisa H. - 1995 Chrysler Cirrus - Engine - 4/14/2014
    Why can't my car pass smog test without getting a NEW engine???
    My car failed smog test @ Pep Boys. They offered to do a diagnostic test for $170. I agreed to this. They had my car for a day and a half...I was told that in order to smog my car I needed a new engine. Are you kidding me??? My car runs smoothly & doesn't give ...
    • slow rider
      4/14/2014 slow rider
      if I was you I would get a obd reader and check for issues my self or it could of been a bad day for your car when you got it tested
      slow rider
      4/15/2014 Lisa H.
      Mmmhmmm...I don't know what "obd reader" is. I'm guessing it's to check the car's computer codes? Thank you for your response. Much appreciated!
    • Pepe
      4/14/2014 Pepe
      You should definitely get a second opinion, it's a bunch of BS. There are a lot of different components that are responsible for reducing the amount of unburnt fuel(hydrocarbon). Certainly it is not your engine.
      4/15/2014 Lisa H.
      Thank you so much for your input. I feel like I'm at the mercy of these smog testers...ugh! If you think of anything else, please don't hesitate to comment. :)
    • HouseCallAuto
      4/14/2014 HouseCallAuto
      And after you get it solved WITHOUT a new engine, go get your diagnostic fee money returned from those idiots.
      4/15/2014 Lisa H.
      I appreciate you taking the time to comment. Plus, now I will feel a bit more confident knowing it might not be the engine. Just wish I HAD the nerve to ask for a refund;)
      4/15/2014 HouseCallAuto
      Pep Boys probably will refund you provided you can back up your story after the fiix. I buy parts from them every day.
  • Dan
    Dan - 2006 Chrysler Town & Country - Engine - 4/8/2014
    Oil leak between bottom of intake manifold and cyl head on front side. it just used 1/4 of a quart in only 300 miles
    I did stop the leak with some hi temp sealant, but now it seems to coming from a place below that and is ending up on the alternator. Help
    0 answer
  • kwollaston
    kwollaston - 1995 Chrysler Concorde - Engine - 4/8/2014
    Idle problems and surge when stopping?
    Hi, I have a 1995 Chrysler Concorde 3.5L V6 and it idles at about 1300rpm in drive and reverse, 2000rpm in park and neutral. What could cause this? Also, when I am driving and I come to a stop sign and as I am braking and I get to about 10mph the rpm surges up to ...
    0 answer
  • Lester L
    Lester L - 1997 Chrysler Sebring - Engine - 4/7/2014
    I have four codes po300 301 305 306 and there pending.
    Cleared codes and started engine and let it idle for a few minutes.Check engine light never came back on.Is this something to worry about
    • Pepe
      4/1/2014 Pepe
      If something is wrong they will come back, trust me. They are all misfiring codes for cylinder #1, #5, and #6, most likely cause for this would be your ignition coils.
    • HouseCallAuto
      4/1/2014 HouseCallAuto
      This engine has one ignition coil located within the ignition distributor. The misfires that you have along with the random misfire code p0300 are most likely top be caused by a faulty ignition distributor as this engine is well known for various symptoms caused by faulty distributors. I would replace the distributor if the codes return and even if other misfire codes show up.
      4/1/2014 Lester L
      Would the ignition coil be built into the distributor cap.Engine is a 2.5.Distributor cap has 6 plug wires connected to it.
      4/2/2014 HouseCallAuto
      It is inside the distributor or "under" the distributor cap but I wouldn't go changin just the coil.
      4/2/2014 Lester L
      Thanks for the info.And by the way did you find a Halloween party fog machine to perform smoke test.
      4/2/2014 HouseCallAuto
      I went on YouTube and found a guy that detailed making a regular smoke machine that produces smoke from baby oil, 32 gauge nichrome wire, oil lamp wick, an empty quart paint can and an air reduction regulator and a few brass fittings and two battery connection posts. I have now collected all but the in sulated battery posts and will make this thing in a week or so. Of course I also saw the Halloween party fog machines cheap but they have more issues than the baby oil type....
      4/2/2014 Lester L
      Great!!! Let me know how it works out.
      4/2/2014 Lester L
      I looked on and they show two distributors one with a .475 rotor cam and one with a .526 rotor cam.How can I find out which one I need.
      4/7/2014 Lester L
      House call auto I have another question concerning the distributor on my chrysler sebring 97 2.5 coupe .526 rotor came.Will it have to be timed when I install a remanufactored one and if so how do I do this.
    • HouseCallAuto
      4/2/2014 HouseCallAuto
      What is the eighth digit of your VIN, its either an "N" or it is an "H". There are two different 2.5 engines for Sebring. They put the "H" engine in the convertible which calls for a .475" Diameter Rotor Cam and they put the "N" in the sedan which is the 526" Diameter Rotor Cam.
    • HouseCallAuto
      4/7/2014 HouseCallAuto
      The ignition timing is controlled by the computer, not the distributor position. Install the distributor in the same position that the old one was in. I do not believe there is any adjustment like a slotted hole at the mounting to worry about the position of. The rotor should be pointing the same way the old one was that I am sure you made reference of the position as you removed the old distributor...right?
      5/3/2014 Lester L
      I just installed a rebuilt distributor on my chrysler 97 sebring coupe 2.5.I order to remove the old distributor I had to turn the engine by hand.When I installed the I made sure the tip of the rotor was faceing cylinder 1 I connected wires.When I attempted to start car it would not start.Is it possible when I was turning engine by hand to remove old one it could have flooded the engine or could there be a problem with the new distributor.
  • AutoMD Member
    AutoMD Member - 2008 Chrysler Sebring - Engine - 4/4/2014
    Once in awhile when stopped with brake on the engine roar an tries to take off. sometimes car will stall when stopped.
    When I start the car interior light that is behind rearview mirror comes on ad stays on.
    0 answer
  • chevy87
    chevy87 - 2001 Chrysler PT Cruiser - Engine - 3/30/2014
    My cooling fan will not come on. its a 2001 PT cruiser,
    I test the fan an it works good. when i turn on the defroster you can hear a click sound as if the fan is on , but its not on. what could the problem be can someone please help , thank you,
    • HouseCallAuto
      3/30/2014 HouseCallAuto
      Your reference to the "cooling fan" is confusing as the cooling fan is in the engine compartment in front of the radiator. The "blower motor is apparently what you are referring to as not coming on since you mention "defroster" in the same sentence. Check the power feed from the ignition switch to fuse number 12 in the junction box under the dash. There should be battery voltage at the fuse with the blower turned on. Otherwise bad ignition switch.
      3/30/2014 HouseCallAuto
      Maybe you meant cooling fan afterall, not sure. The defroster thing threw me..
  • AutoMD Member
    AutoMD Member - 2001 Chrysler PT Cruiser - Engine - 3/28/2014
    Car sputters and uses too much gas
    When I stop and then try to start up again, the car sputters and acts like it is struggling to go. Also, the car drinks gas like there's no tomorrow. WHy is this and what can I do to help or fix it?
    • Jimm
      3/28/2014 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
  • Tony
    Tony - 2005 Chrysler 300 - Engine - 3/24/2014
    Why do my instrument panel and headlights "flutter"?
    This is a problem that seems to happen whenever the headlights are on and seems to worsen when I turn on additional accessories, like the foglamps, stereo, etc.
    0 answer
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