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Chrysler engine repair questions and answers

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  • Lester L
    Lester L - 1997 Chrysler Sebring - Engine - 2/25/2014
    What code can a bad throttle position sensor give.
    Car idles at 1500 rpm then when you press excellerator it goes pass 2000 rpm then stays at 2000 rpm
     
    • Jimm
      2/25/2014 Jimm
      P0120, P0121, P0122, P0123 fualt codes are all related to throttle position sensor.

      The parts are readily available from these many on-line sources, www.partsgeek.com, www.rockauto.com, www.discountautoparts.com, www.autopartswarehouse.com, www.jcwhitney.com - to list only a few possibilities.
      In fact, they (RockAuto) list the TPS from around $46.70 for your vehicle; Standard Motor Products part # TH144.
      You may chose to install the TPS (throttle position sensor) yourself; www.autozone.com - for the directions. Recognize the part cost at around $46.00 does not include any labor.
  • AutoMD Member
    AutoMD Member - 2001 Chrysler PT Cruiser - Engine - 2/22/2014
    How do you determine which O2 sensor is bad
    check engine light ON...diag tool determined O2 sensor bad
     
    • Jimm
      2/22/2014 Jimm
      Does not matter - replace the O2 sensors as sets, or in pairs - due to mileage / age / wear considerations. In the case of the 2.4L engine - there are two (2) O2 sensors - one upstream and one downstream of the catlytic converter.

      The replacement procedure is easy - remove one wire connection, then unscrew the sensor from the threaded fitting on the exhaust. Usually, you should apply some thread lubricant spray and let soak for some time prior to the removal.

      The installation is the reverse, with these exceptions - use an O2 sensor socket - similar to a deep well socket with a slot cut into to accomodate the wire. Also, be sure to apply a thin amount of anti-sieze to the threads before the installation. Reference the 'How-To-Guides' feature on the AutoMD website for the specific steps.

      The parts are readily available from these many on-line sources, www.partsgeek.com, www.rockauto.com, www.discountautoparts.com, www.autopartswarehouse.com, www.jcwhitney.com - to list only a few possibilities.
      In fact, they (RockAuto) list the oxygen sensors from around $17.00 (each) for your vehicle.
  • AutoMD Member
    AutoMD Member - 2001 Chrysler PT Cruiser - Engine - 2/22/2014
    How do you determine which O2 sensor is bad
    check engine light ON..had diagnostic tool determine O2 sensor bad
     
    • Jimm
      2/22/2014 Jimm
      Does not matter - replace the O2 sensors as sets, or in pairs - due to mileage / age / wear considerations. In the case of the 2.4L engine - there are two (2) O2 sensors - one upstream and one downstream of the catlytic converter.

      The replacement procedure is easy - remove one wire connection, then unscrew the sensor from the threaded fitting on the exhaust. Usually, you should apply some thread lubricant spray and let soak for some time prior to the removal.

      The installation is the reverse, with these exceptions - use an O2 sensor socket - similar to a deep well socket with a slot cut into to accomodate the wire. Also, be sure to apply a thin amount of anti-sieze to the threads before the installation. Reference the 'How-To-Guides' feature on the AutoMD website for the specific steps.

      The parts are readily available from these many on-line sources, www.partsgeek.com, www.rockauto.com, www.discountautoparts.com, www.autopartswarehouse.com, www.jcwhitney.com - to list only a few possibilities.
      In fact, they (RockAuto) list the oxygen sensors from around $17.00 (each) for your vehicle.
  • AutoMD Member
    AutoMD Member - 2001 Chrysler PT Cruiser - Engine - 2/22/2014
    How do you determine which O2 sensor is bad
    check engine light ON..had diagnostic tool determine O2 sensor bad
     
    • Jimm
      2/22/2014 Jimm
      Does not matter - replace the O2 sensors as sets, or in pairs - due to mileage / age / wear considerations. In the case of the 2.4L engine - there are two (2) O2 sensors - one upstream and one downstream of the catlytic converter.

      The replacement procedure is easy - remove one wire connection, then unscrew the sensor from the threaded fitting on the exhaust. Usually, you should apply some thread lubricant spray and let soak for some time prior to the removal.

      The installation is the reverse, with these exceptions - use an O2 sensor socket - similar to a deep well socket with a slot cut into to accomodate the wire. Also, be sure to apply a thin amount of anti-sieze to the threads before the installation. Reference the 'How-To-Guides' feature on the AutoMD website for the specific steps.

      The parts are readily available from these many on-line sources, www.partsgeek.com, www.rockauto.com, www.discountautoparts.com, www.autopartswarehouse.com, www.jcwhitney.com - to list only a few possibilities.
      In fact, they (RockAuto) list the oxygen sensors from around $17.00 (each) for your vehicle.
  • sdw25
    sdw25 - 2004 Chrysler Pacifica - Engine - 2/20/2014
    I replaced fuel pump but now it will not crank I am not getting fuel to engine what do I do now pump is coming on
    The whole thing started with bad egr sensor fixed it then had no power so changed fuel pump be caused the vehicle would bog down and stall while pressing the throttle
     
    • jdl
      2/17/2014 jdl
      Are you saying the starter won't crank? If it cranks good but won't start, have a helper crank it while you check for spark at the spark plugs and fuel pressure.

      If no fuel pressure, check voltage and ground at the fuel pump wiring, engine cranking. When you first turn on the key, engine off, you should hear the fuel pump run for a few seconds.

      Your electrical systems are all good? Battery has a full charge? The vehicle didn't go into theft lock?
      jdl
      2/21/2014 sdw25
      Ok I will check it iut
    • HouseCallAuto
      2/17/2014 HouseCallAuto
      I need you to tell the full story from the beginning or aty least from the time everything was working ok and then the first thing you did and the time inbetween. All details. I get a lot out of hearing the story, it helps me diagnose what went wrong. No short assuming sentences please. Plug in a code reader and give me fault codes too.
      HouseCallAuto
      2/21/2014 sdw25
      I just replaced the fuel pump now the car will start but idle dies immediately. It will only start if you hold the throttle all the way down
      HouseCallAuto
      2/24/2014 sdw25
      car had poor accelertion then the egr valve went bad according to the codes i replaced it with no improvement. i replaced the throttle position sensor and cleaned idle control valve the vehicle was still running but was stalling and top speed 10 mph.while on a test drive to see if it wamy s working properly it ran out of the gas, i got it to crank back up after putting fuel in i was told to replace the fuel pump because it was struggling when put under a load .
      HouseCallAuto
      2/24/2014 sdw25
      also no codes showing and i have now changed the crank sensor but still no improvement
    • AutoMD Member
      2/20/2014 AutoMD Member
      check the wiring of the fuel pump relay. change it if need be.
  • chevy87
    chevy87 - 2001 Chrysler PT Cruiser - Engine - 2/17/2014
    Timing belt broke when pulling out of driveway
    timing belt broke.can someone help me. 2001 Chrysler PT Cruiser 4 Cyl 2.4L, when lineing up the two camshafts how do i know if they are on the compression stroke? please help. what are the procedures. Thank you,
     
    • CVO
      2/17/2014 CVO
      Set the crankshaft sprocket at TDC by aligning the sprocket with the arrow on the oil pump housing.
      Set the camshafts timing marks so that the exhaust camshaft sprocket is a 1 / 2 notch below the intake camshaft sprocket.
      Install the timing belt by starting at the crankshaft. Go around the water pump sprocket, idler pulley, camshaft sprockets and the tensioner.
      Move the exhaust camshaft sprocket counterclockwise to align the marks and to remove any slack.
      Insert a 6mm Allen wrench into the tensioner opening on the top plate of the tensioner pulley. Rotate the top plate counterclockwise. The pulley will move against the belt and the tensioner setting notch will start to move clockwise. Continue to move the top plate counterclockwise until the setting notch is aligned with the spring tang. Using the Allen wrench, to prevent the top plate from moving, tighten the tensioner lock bolt to 220 inch lbs. (25 Nm). Make sure the setting notch and spring tang are still aligned after the lock nut is tighten. If not repeat the procedure.
      Remove the wrench from the belt tensioner.
      NOTE
      When repositioning the crankshaft to the TDC position, this must be done during the clockwise rotation movement. If the TDC is missed, rotate a further two full turns until TDC is reached. Do not rotate the crankshaft counterclockwise as this will result in improper tensioner settings.

      Rotate the crankshaft two full revolutions and verify that the TDC marks are properly aligned.
      Check the spring tang is within the tolerance window, if not repeat the previous two steps.
      Install or connect the following:

      Lower timing belt cover and torque the bolts to 50 inch lbs. (6 Nm).
      Upper timing belt cover and torque the bolts to 50 inch lbs. (6 Nm).
      A/C lines at the junction block near the upper timing belt cover, if equipped with a turbocharger
      Right engine support bracket and reposition the power steering pump. Torque the bracket bolts to 45 ft. lbs. (61 Nm).
      Right engine mount through bolt and torque it to 87 ft. lbs. (118 Nm)
      Upper radiator support crossmember
      Torque strut bracket
      Upper torque strut
      A/C lines and pressure switch
      Exhaust system to the manifold
      Crankshaft damper
      Accessory drive belts
      Lower torque strut
      Right splash shield and wheel
      Negative battery cable

      For more information, see this url
      http://www.autozone.com/.../...rGuideContent.jsp

      Have a Happy President Day.
  • AutoMD Member
    AutoMD Member - 2004 Chrysler Sebring - Engine - 2/1/2014
    Knockiing upon decelaration taking foot off gas
    only thn does knocking
     
    • Jimm
      2/1/2014 Jimm
      Need more information - what speeds? What is the knocking location - under the hood? From the front or rear or sides of the vehicle? Please post your reply with as much detail as possible for further assistance.
  • AutoMD Member
    AutoMD Member - 2004 Chrysler Sebring - Engine - 1/31/2014
    Knockiing upon decelaration taking foot off gas
    only thn does knocking
     
    • HouseCallAuto
      1/31/2014 HouseCallAuto
      You will need to give more detail than what you have or you will get skipped. Tell the full story, all details, location of knocking, what kind of knocking. make me feel like I am there. Could it be from something other than the engine? Infuse your own opinion here as well.
  • AutoMD Member
    AutoMD Member - 2001 Chrysler PT Cruiser - Engine - 1/30/2014
    My car stop running at the middle of the street it cranks but does not start
    120.000 already replace crank sensor,cam sensor,ignition coil, auto shut/off relay. already check timing belt ok,no power to the ignition coil at all no codes read because battery disconnected
     
    • HouseCallAuto
      1/30/2014 HouseCallAuto
      You must try to see if a fault code will set by plugging in a code reader and attempting to start the engine often. After each attempt turn the key all the way off so the computer sees this as another drive cycle. Some codes will only set if fault is seen in two consecutive drive cycles. I am confident that a code will set. Also, when you plug in the code reader; confirm that it is able to establish communication with the vehicle. No communication can mean a bad PCM. This cannot be diagnosed without some data to work with, remember that. You can obtain a code reader from amazon.com for $20 unless you have one already. Give me codes or something more and I will tell you what to do next. Also, the ignition coil should only have battery voltage to it while you are cranking. If you turn the ignition key to the "on" position, the ignition coil will only have battery voltage show up for two seconds and then it goes away. So I don't know what you mean by ignition coil has no power...
  • AutoMD Member
    AutoMD Member - 1997 Chrysler LHS - Engine - 1/29/2014
    My car started overheating
    My car started overheating while driving, I fixed the thermostat on it but something is still wrong. For example I noticed a puddle of coolant in front of the radiator and near the reservoir also my cars heat blows out cold air even though the temperature gauge is ...
     
    • HouseCallAuto
      1/29/2014 HouseCallAuto
      You have an external leak and a mechanic has to find where the leak is coming from, simple as that. It is not something that is guessed at. Could be a water pump. I don't understand why the mechanic cannot know if it is a bad radiator or not. Experienced mechanics are not unsure in a situation like this.
  • AutoMD Member
    AutoMD Member - 1997 Chrysler LHS - Engine - 1/29/2014
    My car started overheating
    My car started overheating while driving, I fixed the thermostat on it but something is still wrong. For example I noticed a puddle of coolant in front of the radiator and near the reservoir also my cars heat blows out cold air even though the temperature gauge is ...
     
    • AutoMD Member
      1/29/2014 AutoMD Member
      Check the coolant reservoir tank and fill if needed. Most modern cars have a plastic reservoir of coolant connected to the top of the radiator. This will allow you to see if your coolant is low.Most modern cars have a plastic reservoir of coolant connected to the top of the radiator. This will allow you to see if your coolant is low. For more information about Buy Imported Cars in India Please visit here- http://www.maguscars.com/
  • sdw25
    sdw25 - 2004 Chrysler Pacifica - Engine - 1/28/2014
    Engine is surging and bogs down when pushing the throttle no codes showing
    Have charged egr valve,tps sensor,new plugs
     
    • HouseCallAuto
      1/27/2014 HouseCallAuto
      Be patient if you can. If the hesitation is that noticeable I am confident a code will set very soon. In the mean time buy MAF sensor cleaner and follow the directions and clean the MAF sensor.
      HouseCallAuto
      1/29/2014 sdw25
      Ok thanks
    • Jimm
      1/28/2014 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
      Jimm
      1/28/2014 sdw25
      Thanks I will have it checked out
  • AutoMD Member
    AutoMD Member - 2000 Chrysler Voyager - Engine - 1/27/2014
    What would cause heater problems it has a new thermostat
    200 Chrysler Voyager van with heater problems the thermostat was just replaced and it only releases lukewarm air and that's only sometimes.
     
    • John's Auto Repair
      1/27/2014 John's Auto Repair
      With engine at operating temperature, feel both heater hoses. They should both be hot. If not
      you probably have a clogged heater core. If both hoses are hot, you have a problem with the
      temperature blend door actuator under the dash.
      John's Auto Repair
      1/27/2014 AutoMD Member
      I've check all of these things and it still doesn't work
  • AutoMD Member
    AutoMD Member - 2004 Chrysler 300M - Engine - 1/26/2014
    When the rpms go over 1mph anf the foot is not on gas, is this wires ?
    When my car is going around 10-15mph (rush hour traffic) stop and go real slow and my foot is NOT on the gas and when it takes off it jumps and the RPM go up over 1 when my foot is NOT on gas and the headlights flicker alittle bit then it shuts off.. 2004 300M Chrylser
     
    • CVO
      1/26/2014 CVO
      The check engine light doesn't have to be ON to store a fault code.

      Check the vehicle for fault codes to see if there are any sensors were involved to the malfunction of the engine.

      1.Local auto parts stores such as Autozone ( not in California) or Advance Auto parts will scan and retrieve any diagnostic trouble codes ( dtc ) stored in the powertrain control module for free of charge..

      2. Amazon.com has the code reader for less than $17.83 dollars + shipping
      Autel MaxiScan MS300 CAN Diagnostic Scan Tool for OBDII Vehicles
      http://www.amazon.com/.../ref=sr_1_1
      3.Re-post the dtc's in here " answer question " for further assistance.

      Note: we need the dtc's to identify the sensor, there are a dozen different sensors to operate the car.

      Visit this site and see all the different sensors.

      www.freeautomechanic.com

      Note: for the headlights flickering, this is a symptom of a margin ( or bad ) alternator and the electrical test at local auto parts WILL NOT DETECT as a bad one.
  • AutoMD Member
    AutoMD Member - 2001 Chrysler Sebring - Engine - 1/24/2014
    My starter is spinning but not engaging the flywheel even with a boost. The starter and battery are less than a year old
    Could the snow and salt be causing this?
     
    • HouseCallAuto
      1/24/2014 HouseCallAuto
      If you hear the starter motor spinning but no gear to gear engagement then the starter motor is likely junk. The only other cause would be an open circuit where the heavy battery cable connects to the starter which is doubtful because this heavy cable runs direct from the positive battery terminal to the starter.