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Chrysler engine repair questions and answers

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  • Rafael
    Rafael - 2004 Chrysler PT Cruiser - Engine - 10/12/2010
    I feel hesitation when i accerate, i changed the plugs, cleaned the cold air intake filter and cleaned the pcv valve
    but still it has not changed. i also added a fuel injector cleaner, what is wrong?
     
    • Nissan Technical Advisor
      Check your catalytic converter. A partially plugged converter will create a restriction in the exhaust system and will increase back pressure that can strangle engine performance, the engine may start and idle normally, but lacks power.

      One of the quickest and easiest tests to perform is to check intake vacuum with a vacuum gauge. Find a place to connect a vacuum gauge to the intake manifold, and start the engine. Intake vacuum should usually be 18 to 22 inches of mercury (Hg) and remain steady at idle. If the vacuum reading is low and continues to drop, the converter may be causing a restriction.

      Next, increase engine speed to 2,500 rpm and hold steady. The vacuum gauge needle will drop when you first open the throttle, and then stabilize. But if the vacuum reading remains low or continues to drop, backpressure is building up in the exhaust system.

      Disconnect the converter and recheck the intake vacuum reading. If the reading goes back to normal, you’ve identified an exhaust restriction that needs further diagnosis before you condemn the converter. Though a plugged converter would be the most likely cause of the restriction, it’s also possible the exhaust system may have a collapsed or pinched exhaust pipe, or the muffler may be clogged.
  • morfromrob
     
    • yboy82
      10/12/2010 yboy82
      Did you already check the condition of your battery (cranking amperage/voltage/state of charge) and its terminals/cables, fuel level (and its condition), fuel delivery system components (check if fuel is reaching the fuel injectors, loose connector/faulty fuse, relay or fuel pump), and ignition system components (see if your ignition system produces spark)?
    • yboy82
      10/12/2010 yboy82
      Did you already diagnose your vehicle with a scan tool to determine if there is a stored trouble code in your vehicle that can help you identify the fault to your vehicle’s problem? Even if your check engine light is off don’t assume that there’s no stored trouble code in your vehicle, to be certain that there’s no stored trouble code in your vehicle you have to diagnose it with a scan tool. . You can visit AutoZone or nearby auto parts store for free diagnostic.

      You can also check this link to have an idea how to diagnose your vehicle with a scan tool http://www.automd.com/.../
    • HouseCallAuto
      10/12/2010 HouseCallAuto
      Replace the crankshaft position sensor.
  • egj
    egj - 2001 Chrysler Sebring - Engine - 10/11/2010
    What could be the problem when you add coolant in the coolant bottle and it does not stay. i have to keep putting antifr
    i have to put more antifreeze in the bottle.
     
  • woodard
    woodard - 1991 Chrysler Town & Country - Engine - 10/11/2010
    Location of fuel relay
    change fuel filter engine turns over normal act likes its getting no fuel
     
    • CVO
      10/11/2010 CVO
      Place a 2x4 piece of wood under the fuel tank and tap gently under the 2x4 to rock the fuel pump. If the car starts, replace the fuel pump.Hope this help and be safe.
      CVO
      10/25/2010 woodard
      tried this process no luck trying to locate fuel pump relay to test
  • Ibrahim Idris
    Ibrahim Idris - 2003 Chrysler Town & Country - Engine - 10/10/2010
    My engine won't start.
    I own a 2003 Chrysler Town and Country (3.8L Limited). I was driving and the engine suddenly shut off. I tried restarting but the engine doesn't crank. I was told it might the the engine control module. After replacing the engine control module the engine started ...
     
    • Bill
      10/10/2010 Bill
      Initially when engine shut off did you notice anything unussual like oil pressure light on or gauge reading low. Temp?
      Bill
      10/10/2010 Ibrahim Idris
      No, I didn't notice anything unusual.
  • dawnhamilton
    dawnhamilton - 2006 Chrysler Pacifica - Engine - 10/9/2010
    How many Catalytic converters does my car have?
     
    • CVO
      10/9/2010 CVO
      Correct me if i'm wrong. Autoparts stores show the car needs only one catalytic converter.
  • maggie
    maggie - 2001 Chrysler Concorde - Engine - 10/9/2010
    The car honks at any time when its parked
     
    • HouseCallAuto
      10/9/2010 HouseCallAuto
      Does the horn sound in a pattern like an alarm is making it happen or you just mean that the horn starts honking with no pattern or timed interval? If it is no pattern then the horn pad needs to be replaced in the steering wheel.
  • bambam
    bambam - 2005 Chrysler PT Cruiser - Engine - 10/8/2010
    Was running fine until i got to a red light an it just quit running, the engine turns over but it acts like there is no
    no fuel getting in to the throttle body. could it be the fuel pump, an what do i need to check first?
     
    • HouseCallAuto
      10/8/2010 HouseCallAuto
      If you want to possibly get through this yourself with help from us it will require you to have the fault codes checked that are stored in the engine control module. I could guess and tell you to try this or that but I don't like to guess. Not very productive. Buy an inexpensive code reader (under $75) and attach it to the diagnostic connector under the driver side dash and read the codes. It takes like 3 minutes. This is what the professional mechanics do in a repair shop for an event like you have had. You just do not get to be a part of those behind the scenes details. Tell me in a repost what the codes are and I'll tell you what parts to buy to fix it without a repair shop intervention. Do not assume that if the engine service light is not on that there are no fault codes stored as many people think. The codes must be checked and if there are none, that also helps to know. Update me.
  • drumman806
    drumman806 - 2001 Chrysler 300M - Engine - 10/8/2010
    Why is the antifreeze leaking from my resorvoir
    the antifreeze is leaking from under my resovoir and will not stay full
     
    • darkmind
      10/8/2010 darkmind
      If coolant is leaking in your reservoir it means you have a leakage/crack in your reservoir? Where is the leakage in your reservoir tank or the hose? You should repair or replace the leaking part to avoid overheating (to avoid low amount of coolant in your cooling system which can cause overheating).
      darkmind
      10/8/2010 darkmind
      Is your reservoir cap tighten properly?
  • Sonu
    Sonu - 2002 Chrysler Neon - Engine - 10/7/2010
    Rough Idle and knocking sound when cold
    I have a 2002 Chrysler neon LE, the car idles rough and when stopped it feels like its going to stall. It has a knocking sound when i first start it after over night being parked but goes away when it warms. I think it might be my EGR valve but i have been told ...
     
    • Bill
      10/7/2010 Bill
      First of all try changing to a better grade oil. Could be oil pump intake screen dirty on cold starts not distributing oil to internal engine parts good or fast enough. If you do it yourself try a 10-40 synthetic for maximum lubrication efficiency. If this doesn't help at least you will know proper lubrication not the problem. Order on line a new oxygen sensor. This may solve Service engine light problem. Once this is done then you have taken serious steps to solving or solve problem. Also get a good fuel injector cleaner to add to gas tank. You may even have moisture in fuel. Ask parts store for these items. There inexpensive if you do it yourself.
  • pt lover
    pt lover - 2004 Chrysler PT Cruiser - Engine - 10/7/2010
    Why do i have heavy white smoke come out of the exhaust on start up?
    I drove to town today and made a stop at the store. when i started the car i had heavy white smoke come out of the exhaust for about one minute, then it cleared up. This did not happen when i started the car at home to go to town. now it happens every time after ...
     
    • HouseCallAuto
      10/7/2010 HouseCallAuto
      These are the symptoms of a bad head gasket. You are burning the coolant that leaked into the cylinders and after a minute it's been burned and passed through the exhaust.
  • Jossen
    Jossen - 1998 Chrysler Sebring - Engine - 10/7/2010
    Allways starts but stops when it gets a bit warm , and then ......
    .....I have to wait 5-10 minutes and it starts again...... Hapens everytime I start the engine and drive.
     
    • Nissan Technical Advisor
      You try to the start the engine, and it starts fine. However, after a few minutes of running, the engine stops. When you try to start the engine again, it quickly starts and seems to run fine, but then it shuts down again. This type of problem usually happens without warning. Its probable causes could be; the fuel pump shuts down after start-up, a problem in the ECU and the ignition switch maybe defective.
  • Jossen
    Jossen - 1998 Chrysler Sebring - Engine - 10/7/2010
    It allways start but after a wile it stops and wont start agai , but after 5-10 min. it starts again??
    It is like turning the key of....
     
    • Nissan Technical Advisor
      You try to the start the engine, and it starts fine. However, after a few minutes of running, the engine stops. When you try to start the engine again, it quickly starts and seems to run fine, but then it shuts down again. This type of problem usually happens without warning. Its probable causes could be; the fuel pump shuts down after start-up, a problem in the ECU and the ignition switch maybe defective.
  • pete
    pete - 2003 Chrysler PT Cruiser - Engine - 10/7/2010
    Where is location of crankshaft position sensor on 2003 pt cruiser
     
    • Pave Low
      10/7/2010 Pave Low
      Under starter, above the bell housing bracket, on radiator side of engine. It will be a lot easier if you remove the starter.
  • pablo
     
    • Pave Low
      10/6/2010 Pave Low
      According to my source, its a 40 amp green fuse for the Power Top Feed (Convertible only)