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Chrysler engine repair questions and answers

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  • Tiffany
    Tiffany - 2006 Chrysler 300 - Engine - 6/17/2014
    Does my car need new computer because of gas coming out of injector #5?
    I have 213,000 miles on my 2006 Chrysler 300. A couple of days ago, white smoke started to come out of my exhaust pipe. It smelled like gasoline. I couldn't even make it 20miles before my car ate up the gas. Now I'm being told that injector#5 was reading bad. They ...
     
    0 answer
  • Billy
    Billy - 2004 Chrysler Pacifica - Engine - 6/16/2014
    Seafoam into vacuume hose?
    I have a 2004 pacifica with 170,000 miles, has always had a little "catch" in the throttle when you accelerate. is this carbon in the throttle body? and will syphoning seafoam or stp, or what ever thru the break booster or TB vac hose break this loose? any ...
     
    • Chevy doctor
      6/16/2014 Chevy doctor
      Best thing to do is to take of the air intake tube and open throttle plates. Clean with a tooth brush using throttle plate cleaner, carb cleaner or a top engine cleaner. Scrub and wipe clean.
      Chevy doctor
      6/17/2014 Billy
      thanks for your comment
  • AutoMD Member
    AutoMD Member - 2001 Chrysler PT Cruiser - Engine - 6/16/2014
    Car is cutting out ,jerking, dieing when i come to a stop. Idle goes up down when driving.
    Car feels like it loses it speed , power ,, a/c will lose its blower strength.
     
    • GT500Knights
      6/16/2014 GT500Knights
      Check engine codes.

      Your problem sounds like it may be due to bad idle air control valve and/or throttle position sensor.

      Check for vacuum leaks. Check fuel pressure. Check ignition timing.
  • Billy
    Billy - 2004 Chrysler Pacifica - Engine - 6/14/2014
    How long to replace heater core?
    was wondering how many hours should it take to replace the heater core on my pacifica, and should I tackle it myself? am getting a lot of estimates over 500.00 to do the repair. does the whole dash have to come out or just under the steering column?
     
    • bear.1216
      6/14/2014 bear.1216
      Book time is 4.6 hours. That is for a mechanic in a shop with a hoist. And 4.6 hours is likely under-estimated. It will probably take way longer. Probably a few days to complete. Pretty much the entire dash has to come out. Replacing a heater core is a horrible job. Frustrating and painfull and tedious. If you have never changed a heater core. Try pressing the gas pedal with the back of your head. If you attempt that job yourself.That is the position you will be stuck in for at least six hours. Nobody can hold that position for that long. It will take you days. And you will hate every minute of it. Save yourself the torture. Pay someone to do it or buy a new car. Those are your only options. Fixing it yourself is a terrible choice. Taking it to your usual mechanic is also not wise. As he will hate you for it. Your best option is a dealership. That is where I would take it. Dont just pick the cheapest estimate. Go to a dealer. They know exactly what they are getting into. They also have the most accurate estimate and service manuals.
      bear.1216
      6/16/2014 Billy
      thanks for your honesty... ive put some barrs aluminum stopleak in it and am praying it stops!
  • Perry
    Perry - 2007 Chrysler Pacifica - Engine - 6/12/2014
    AC STOP WORKING CAR ONLY BLOWS HOT AIR
    HOW CAN I TEST TO CONFORM IF FREON IS LOW. THE COMPRESSOR'S CLUTCH NEVER PULLS IN.
     
    • Chevy doctor
      6/12/2014 Chevy doctor
      Some control heads will flash when you try to engauge ac and its low on freon. More the likely there is a leak somewhere in the system. These do have issues with rear evaporator leaking. Does yours have rear ac. Most systems have dye. Condensers also leak a lot. Inspect for green dye leak. Most systems have dye in it from factory.
      Chevy doctor
      6/13/2014 Perry
      Thanks Chevy doctor, it does have air
  • Lester L
    Lester L - 1997 Chrysler Sebring - Engine - 6/7/2014
    Installed new camshaft seals and I was able to push them in by hand do I need to install repair sleeves
    Camshaft seals we're leaking oil new ones or the same size as the old ones they slipped on easy without having to tap them in
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2004 Chrysler 300M - Engine - 6/6/2014
    Engine sometimes wont start unless I hit the unlock remote or door switch 3 or 4 times in succession.
    It seems to occur after deactivating alarm.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2012 Chrysler Town & Country - Engine - 6/1/2014
    When starting,after sitting all night,will backfire, on inital start.after that,starts normal.
    engine has 11548 miles on it, 350 plus hours,running time on it.happens when engine is cold,is also parked outside. no lights on,or any other info come on
     
    • Chevy doctor
      6/1/2014 Chevy doctor
      I would have your Chrysler dealer look at it. Sounds like carbon build up on valves or the high pressure injector pump leaking down over night.
  • AutoMD Member
    AutoMD Member - 2006 Chrysler 300 - Engine - 5/31/2014
    Why will my car periodically stall while driving ?
    Occurs mostly when I have a full tank of gas. Sometimes will not turn over after it stalls. Just began happening recently.
     
    • Jimm
      5/31/2014 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 - 1999 Chrysler Cirrus - Engine - 5/31/2014
    First thing in the morning after car has sat over night starts fine.When u take off u need to feather it for a min.
    After about a minute it runs great.I have tried temp senor .and throttle sensor no luck
     
    • techpaddle
      5/31/2014 techpaddle
      came across this a few times in my shop. 2 common problems. #1 - Check the "vapor canister purge valve". The ones I found were stuck open. During a cold start, the engine would suck the gas fumes in along with air so the engine would start easily. But once started, there is too much air and the engine runs lean. Feathered to go, once over 30mph, the purge valve normally opens and the engine runs great with no problems on restarts. #2 - The map sensor and/or the vacuum source. Remove the 10mm bolt holding the MAP on the intake and check it for sludge build-up and the condition of the 2 "O" rings. Replace if necc.
  • Andy
    Andy - 2001 Chrysler 300M - Engine - 5/30/2014
    Why does my Cruise Control only work once per trip?
    This has been happening for some time now: I get on the highway, get up to speed, and turn on the cruise control. It works perfect until I run into traffic and have to turn off cruise control. When I try to reengage cruise control, it won't turn back on. Cruise ...
     
    0 answer
  • aintachanging
    aintachanging - 2005 Chrysler PT Cruiser - Engine - 5/26/2014
    With a/c on at idle engine wants to die.
    Eng has rough idle with a/c on. Feels like it wants to die
     
    • Jimm
      5/26/2014 Jimm
      First question - how does the engine run / operate at idle speed without the AC? Does the engine start and run OK with the AC off?

      If yes, then the issue may be related to a faulty radiator fan switch - at low speeds the fan runs to circulate cooling air in the front of the engine across the radiator.

      If the cooling fan does not come on at any speed, you would have reported about overheating at stoplights, rather than a stalling problem. I believe the fan’s low speed is no longer working. With the a/c turned on, the lack of air circulation over the condenser at stoplights causes the system’s high-side pressure to rise to a higher-than-normal level. This puts an additional load on the a/c compressor, which in turn causes the engine to work harder. The extra load on the PT Cruiser’s 2.4L 4-cylinder engine causes its idle speed to drop to a lower-than-normal level. If the condition continues long enough, the engine might even stall. Surging and hesitation at lower road speeds could also be a problem.

      Are you also experiencing the a/c performance affected at the same time? Can you verify the a/c high-side pressure at idle with a set of pressure gauges?

      Cooling fan operation can be controlled by a scan tool actuator test. Try actuating both fan speeds this way. If only the high fan speed works, you can verify that the low-speed motor windings have failed by checking for power and ground at the fan connector while the scan tool is commanding low-speed operation. You can also provide power and ground with jumper wires if you’d prefer to activate the motor manually. Ground is in the center of the three-terminal connector, with the high-speed and low-speed power feeds on either side of it. Check a wiring diagram to verify the terminal positions.

      If the low-speed and high-speed cooling fan windings check good but they’re not receiving power and ground from the computer, begin checking upstream. Corrosion at the cooling fan relay terminals in the relay box is a good place to start. Once again, try activating the cooling fan circuit with the scan tool actuator test. If the “fan on” command is arriving from the computer but doesn’t make it to the cooling fan, you probably have some corroded fan relay terminals to clean up or replace.
      Jimm
      5/28/2014 aintachanging
      Yes, runs great.
      Jimm
      5/28/2014 aintachanging
      Thanks Jimm, I'll give that a try.
  • AutoMD Member
    AutoMD Member - 2001 Chrysler LHS - Engine - 5/24/2014
    Why does it skip at highway speeds
    1. About 170000 2. When car is warm or colld Check engine light was on but when it was on called up p0305 and p0172 codes. Replaced oe sensor on bank1, ignition coil and fuel injector on cyl 5. Also just changed plenum/intake manifold gaskets. Cleared check ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2001 Chrysler LHS - Engine - 5/24/2014
    Why does it skip at highway speeds
    1. About 170000 2. When car is warm or colld Check engine light was on but when it was on called up p0305 and p0172 codes. Replaced oe sensor on bank1, ignition coil and fuel injector on cyl 5. Also just changed plenum/intake manifold gaskets. Cleared check ...
     
    0 answer
  • gregh612
    gregh612 - 1997 Chrysler Sebring - Engine - 5/21/2014
    Hesitate sometimes when accelerator is pressed
    my 97 sebring runs fine most of the time but at times when i make a complete stop and then press the accelerator to go it hesitates and when i release the accelerator and press slowly to go it runs without hesitation what could the problem be?
     
    • Jimm
      5/21/2014 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