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Chrysler engine repair questions and answers

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  • Lester L
    Lester L - 1997 Chrysler Sebring - Engine - 5/15/2014
    What does code p1391 mean
    Installed rebuilt distributor with new rotor and distributor cap and new plug wires and plugs.Check engine light comes on and blinks with one code p1391.How do I solve this problem.Car runs rough.
    • Jimm
      5/15/2014 Jimm
      P1391 = CMP or CKP Signal Intermittent Condition

      - Timing belt or chain stretched or jumped
      - Faulty Camshaft Position (CMP) Sensor
      - Camshaft Position (CMP) Sensor harness is open or shorted
      - Camshaft Position (CMP) Sensor circuit poor electrical connection.

      Possibilities include those listed above, as well as harness problems. Try wiggling wires, but I'd suggest looking at the harness in the immediate area where they plug into the top-left area of the engine. Upturned valve cover edges, protruding bolt heads and just plain metal everywhere may have worn some insulation off in a particular place. Inspect the harness carefully anywhere it will normally come into contact with metal... whether it's sharp edged or not.
  • AutoMD Member
    AutoMD Member - 2002 Chrysler Town & Country - Engine - 5/15/2014
    My van ran great the night before we had heavy rains in the morning it would not start a friend ran a diag
    nostic thru code p1388 auto shutdown relay circuit he said circuit not bad is there anyway to reset
    0 answer
  • crlynsaunwms
    crlynsaunwms - 2000 Chrysler 300M - Engine - 5/11/2014
    How can i correct a PO455 code?
    It said Evaporative Emission (EVAP) system leak detected
  • AutoMD Member
    AutoMD Member - 2001 Chrysler Town & Country - Engine - 5/8/2014
    Engine stalls when i accelerate quickly
    if it's in park and i accelerate it runs perfectly smooth. if its in drive and i try to accelerate quickly it sort of feels like it stalls a little. if i accelerate slowly it runs perfectly well. It's not the transmission because i had it checked. what can it be?
    • Jimm
      5/8/2014 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
  • Lester L
    Lester L - 1997 Chrysler Sebring - Engine - 5/8/2014
    What position does rotor for distributor has to be pointing to
    Forgot to mark old rotor position .When distributor was off engine was never turned so that part should be ok
    • GT500Knights
      5/8/2014 GT500Knights
      Firing order is 123456 for your vehicle. Spark plugs attach to distributor cap as follows:

      When looking at the distributor from the front of the engine, and starting at the nine o'clock position, going clockwise:
      - #6, #2, #4, #5, #3, #1.

      The number one cylinder on your vehicle is on the engine's left side. Meaning that if you were to orient yourself in the same position as the engine, it would be your left. The distributor is at the front of the engine.

      Romove the number one cylinder spark plug. Remove distributor cap. Using a breaker bar and the correct size socket, rotate the crankshaft clockwise (when looking at the crankshaft from front of engine). Turn the crankshaft clockwise to set the number 1 cylinder at the compression stroke to top dead center. You will be able to see, with a flashlight, if the piston is at the top. If you cannot see the piston, insert a long enough screwdriver to feel how far the piston is from the top. DO NOT drop the screwdriver into the cylinder. If you are unsure as to if the cylinder is on it's compression stroke or exhaust stroke, refer to the timing marks located on the harmonic balancer. When the timing mark on the harmonic balancer aligns with the mark on the timing cover/ engine block, the number one cylinder is located at the top of its compression stroke. Now , you can refer to the distributor to determine which way the rotor is to be pointing.
  • AutoMD Member
    AutoMD Member - 2001 Chrysler Town & Country - Engine - 5/4/2014
    Engine hesitates when accelerating beyond 2000 rpm. if kept below that will run perfectly fine.
    when it's in park i can go well above 2000rpm without any rattle or shaking. only happens when in drive and when accelerate quickly . feels like stalls.
    • Jimm
      5/4/2014 Jimm
      First question - when was the last fuel filter change? How many miles since the fuel filter was replaced? If more than 2 years / 24k miles - do this as the first step. The typical unit price around $9.00 to $13.00 - from any of these aftermarket parts sources;,,,, - to list only a few possibilities.

      Along with this step to change the fuel filter - check the OBD (on board diagnostics) system for any stored fault codes - there may be a stored fault code even without the Check Engine Light displayed. The OBD system can be tested for free - at any lcoal auto parts store in your area.

      Please post a reply with any specific stored fault code number for further assistance.
  • AutoMD Member
    AutoMD Member - 1997 Chrysler Town & Country - Engine - 5/2/2014
    Why do I only get hot air from my heater system, even though my a/c works?
    mileage 178,000. My ventilation system only blows hot air. My air conditioner still seems to work. It is a constant. When I first turn on my fan, it clicks for about 30 seconds. No warning lights. No check engine lights. No other problems.
    • jdl
      5/1/2014 jdl
      If your saying no cold air with temp control on cold, check to see if compressor is activated. Another issue could a problem with temp door, under the dash.

      If you have a fan problem, I'd have to check the wiring circuit for the fan, voltage and ground.
      5/2/2014 AutoMD Member
      Thank You. I now believe it is the temperature blend door actuator.
    • HouseCallAuto
      5/2/2014 HouseCallAuto
      Most likely you have a bad blend door actuator that is stuck at the warm setting, and you mentioned hearing clicking which is often a symptom of the bad actuator.
      5/2/2014 AutoMD Member
      Thank You. From all I can determine, the Blend Door Actuator sounds like the problem.
  • AutoMD Member
    AutoMD Member - 2009 Chrysler PT Cruiser - Engine - 5/2/2014
    What is wrong with my 2002 pt cruiser it wont crank from the ignition but the lights come on and the radio
    I changed the start and it still wont crank
    • HouseCallAuto
      5/2/2014 HouseCallAuto
      Is there a light that is illuminated that relates to theft or security while trying to start it?
  • AutoMD Member
    AutoMD Member - 2006 Chrysler Town & Country - Engine - 4/29/2014
    My instrument panel flickers once in a while and makes ticking noise. rpm,speedometer pointers go back and forth.?
    engine performance not affected.
    0 answer
  • AutoMD Member
    AutoMD Member - 2006 Chrysler PT Cruiser - Engine - 4/29/2014
    Help with engine sputter which acts like rev limiter, following timing belt replacement?
    Wife blew timing belt at 55mph. Garage replaced water pump and timing belt for $927. Now engine sputters between 3200 and 3500 rpms which reminds me of a rev limiter. Check engine light on. Code says cam position sensor. Replaced cam position sensor for $43 and no ...
    • John's Auto Repair
      4/29/2014 John's Auto Repair
      That is very possible or perhaps you bent some valves when the timing belt went. either way
      I would definatley take it back to the repair shop that did the work. There should'nt be any
      charge for this work.
  • 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.