Question about Dodge Intrepid

3 Answers

I put a 04 motor in a 02 intrepid at first it had crank right up after about 10 minutes of driving the car cut off it took about another 10 min. To get it started again within 45 min the car cut off about 5 times now it won't crank at all. Its not getting any fire i changed the crank, cam, and map sensor and the pcm box still no fire.

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  • 14 more comments 
  • dfuller0227 Apr 03, 2011

    I check all 6 coils there was no fire and the engine fuse is good

  • dfuller0227 Apr 03, 2011

    I changed the crank sensor

  • dfuller0227 Apr 03, 2011

    Where would the distributor b located at on this motor

  • dfuller0227 Apr 05, 2011

    I had put a 04 2.7 motor in a 02 dodge intrepid it cranked up at first i drove it for about 10 min. Then it just cut off it took awhile to crank back up. Within 45 min of driving it cut off like 5 times now it won't turn over at all. Its not getting any fire i changed the crank sensor the map sensor and cam sensor i even changed the pcm box still no fire i checked the fuses and relays they r good but im still no

  • dfuller0227 Apr 05, 2011

    I had put a 04 2.7 motor in a 02 dodge intrepid it cranked up at first i drove it for about 10 min. Then it just cut off it took awhile to crank back up. Within 45 min of driving it cut off like 5 times now it won't turn over at all. Its not getting any fire i changed the crank sensor the map sensor and cam sensor i even changed the pcm box still no fire i checked the fuses and relays they r good but im still not getting fire from any of the coils

  • dfuller0227 Apr 05, 2011

    Where is the distributor located at and when u say ignition coil or you talking about the 6 coils connected to the spark plugs

  • dfuller0227 Apr 07, 2011

    I changed the ignition coil and its still ain't cranking and i notice that the the motor ain't spinning as fast as it should be its not spinning fast enough to crank the car so what causes the belt to spin slow.

  • dfuller0227 Apr 07, 2011

    How can i tell if it's out of timing

  • dfuller0227 Apr 10, 2011

    I change the coils and the battery the motor is spinning fast but still not ranking still no fire

  • dfuller0227 Apr 11, 2011

    It was the original 2.7 motor in it before i changed it

  • dfuller0227 Apr 11, 2011

    When i turn it to the on position yea the engine light is on when i check it for codes no codes come up. Where is the ecm located

  • dfuller0227 Apr 11, 2011

    I had changed the pcm box that was one of the first things i changed i changed the pcm box, crank sensor, cam sensor, map sensor, and the coils and it still won't crank and a guy told me to turn the key 3 times n codes will come up on the dash at first codes did but then i changed the sensor now no codes come up n my friend and came over with a box from oriellys to check for codes n still no codes came up but it still won't turn over

  • dfuller0227 Apr 11, 2011

    It still ain't getting no fire

  • dfuller0227 Apr 12, 2011

    I checked all the relays under the hood where is the circuit opening relay is at if its in the little box under the hood then yes i have changed that also

  • dfuller0227 Apr 12, 2011

    Ok but which one is the efi main relay and which one is the circuit opening relay

  • dfuller0227 Apr 12, 2011

    It doesn't say on the panel or in my book

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3 Answers

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  • Dodge Master
  • 5,370 Answers

Its a distributor-less engine in your car most probably and yes the 6 coils connected to spark plugs.to get more details with proper diagrams and instructions.Please click on the link below:---- http://technoanswers.blogspot.com/2011/04/2002-dodge-intrepid-ignition-coils.html ---------------- This should help.keep updated.Thanks.helpmech.

Posted on Apr 06, 2011

  • 3 more comments 
  • raj somaiya Apr 07, 2011

    Does the timing belt seem a bit loose? With the upper cover of the timing belt removed, does the crankshaft pulley appear to be turning more rapidly than the camshaft gear when the engine is cranking? Specifically, is it possible that the timing belt is slipping on the crankshaft gear?----------------
    You'd need to remove the crankshaft pulley (difficult) to remove the lower cover, so it would be easier to test whether or not the crankshaft pulley rotates the same number of revolutions as the camshaft gear when the engine is cranking. From your description of the problem, it should be obvious whether the crankshaft is spinning more rapidly than the camshaft.------------------
    There is a clutch in the starter that can get stripped. It's a one-way clutch, it's normal function is to make sure the engine can "overrun" the starter if the driver keeps the key turned after it starts. When it's bad the gear will still pop out and the motor will spin, but with any load on the gear the clutch slips and the engine doesn't turn.-------------------
    The starter directly turns the flywheel, which turns the crankshaft. If the starter spins, but the crankshaft isn't turning, then it could be the starter solenoid (the part that clicks the gear over to engage the flywheel's ring gear) may have taken a dump.

    If the starter is turning the flywheel, but the crankshaft isn't spinning, then you've got major problems, like the flywheel bolts have sheared off the crank.
    -------------
    Check out.This should help.Thanks.Keep updated.Helpmech.

  • raj somaiya Apr 11, 2011

    Is the check engine light coming up on dash.If yes then ECM needs to be scanned. Also other possibility can be spark plugs getting wet or very low fuel flow or faulty ECM.----------- Check out, keep updated.Thanks.Helpmech.

  • raj somaiya Apr 11, 2011

    The ECU/ECM/PCM are one and the same thing.Its called computer of the vehicle.It computer store any code in its memory, then it triggers the check engine light to come ON.------------

    You will need to get your vehicle scanned, to get the codes.At autozone service center, they have modern technique scanner and tools to scan the vehicle and retrieve codes.And they dont charge for it.The scanning is free at autozone service center.--------------

    The ECU is located by where you fill the washer fluid. It's the silver looking thing with heat sinks on it, standing up on it's end between the washer fluid nozzle and the fuse relay box.



    Remove the cruise controle servo (10MM socket), the windshield washer filler (10MM socket), remove the TCM (10MM socket, one bolt at the top of the TCM, the other one is on it's left on the top of a braket almost under the car, you'll see the module), then you have to remove 4 bolts to take the PCM out (8MM socket needed, might need a very small key too to remove the to left bolt). the wiring harnest are bolted to the TCM and PCM. TCM means ( transmission control module.The tcm and pcm are different modules.

    -------------

    This should help.Thanks.Helpmech.


  • raj somaiya Apr 11, 2011

    Get the fuel flow checked, do you get fuel at fuel rail, when you crank the car to start.If there is no fuel at fuel rails, its fuel flow problem.---- Also get both the cam shaft and crank shaft sensor checked.If any of the sensor is faulty, the crank issue will be noticed.
    It should be right in front of the engine on the drivers side, just past the timing belt cover. It will look like a plug with a little bracket holding it down from the side.--------------
    The sensor on the fron of the engin is the cam sensor, the crank sensor is on the back passenger side of the motor right on the front of the transmission.----------- check out, this should help.thanks.Helpmech.

  • raj somaiya Apr 12, 2011

    The EFI relay is under hood and Circuit opening relay beside ECM/pcm.-----
    This should help.Thanks.Helpmech.

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  • Expert
  • 274 Answers

Your ignition coil is bad or the distributor is not adjusted properly. Try adjusting the distributor. if that doesnt work replace the ignition coil and that will fix your problem. If the coil gets hot when it is bad it will stop working. If you have any more questions feel free to ask.

Posted on Apr 05, 2011

  • 5 more comments 
  • Kelly Comstock
    Kelly Comstock Apr 05, 2011

    Oh it turns out your car has no ditributo. It is run by the PCM ( powetrain control module).

    It is not letting me post the picture of the ignition coil. seach "ignition coil on a 2.7L on 04 intrepid" on google. That will show you what they look like. If they are bad they heat up and die. My buddy just had this problem with his acura legend

  • Kelly Comstock
    Kelly Comstock Apr 05, 2011

    They are the coild on the plug wires. read my last post on the other thread and you will see what i mean.

  • Kelly Comstock
    Kelly Comstock Apr 07, 2011

    The starter or the battery.

  • Kelly Comstock
    Kelly Comstock Apr 10, 2011

    Just a quick question. Your put an 04 2.7L motor in your 02...was the original motor a 2.7L or was it a different size? If it was a different size originally and you swapped a new motor while keeping the old computer and other electronic computer controls it wouldnt work.

  • Kelly Comstock
    Kelly Comstock Apr 12, 2011

    Have you checked the EFI main relay or the Cicuit opening relay?

  • Kelly Comstock
    Kelly Comstock Apr 12, 2011

    Those relays are in the dash, typically with or near the computer.

  • Kelly Comstock
    Kelly Comstock Apr 13, 2011

    Sorry about taking so long to get back, long day at work. if they look different you could go the an auto parts store to match them up. Thats how i fiured out what was what on mine. Also, what book do you have. Is it a repair manual like Haynes or Chilton? Those are the only two i'd suggest getting.

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  • Master
  • 2,427 Answers

Check the coil !! and the engine fuse !

Posted on Apr 03, 2011

  • 5 more comments 
  • Rishi Roshan Ali Apr 03, 2011

    check the following
    A bad crankshaft position (CKP) sensor (on engines that do not have a distributor), or broken, loose or corroded wires from the sensor to the PCM.

    A bad ignition module (on engines that have a distributor or use an ignition module separate from the PCM)

    A bad ignition coil (on engines that have a distributor and a single coil)

    A bad rotor or distributor cap (cracks or carbon tracks that are allowing the spark to short to ground)

    Faulty ignition switch.

    You said it kept cutting off right ?? check the crankshaft position sensor , do a diagnostic or replace it, More than likely that's your problem

  • Rishi Roshan Ali Apr 04, 2011

    you motor dont carry a distributor, I just listed it so you would see all possible reasons for all engines yours carry the coils that you already changed so you can skip that step.

  • Rishi Roshan Ali Apr 04, 2011

    ok so you changed the crank sensor , check the cars CPU and see if its sending power via the injector wires, your pcm functions like the distributor, it sends the signal to the coils that sends the signals to the spark plugs ... DID you check the relays ?? I'm thinking you wont find power flowing to the coils or injectors via the PCM ,, i know You said you replaced it , but was it a new or used one ?

  • Rishi Roshan Ali Apr 05, 2011

    trace the power wires leading to the coil to see if it has power... the reason why is this. the coil gets power from the pcm, if it isnt getting power from the pcm that means its dead. the pcm, An important point to keep in mind with respect to all types of ignition coils is that when the magnetic field collapses, the high voltage surge has to go someplace. If it can't go to the spark plug, it will find another path to ground -- which may be back through the ignition module, PCM driver circuit or through the insulation inside the coil itself. This can be very damaging to these parts. So never disconnect a plug wire or COP coil while the engine is running. It can be very damaging as well as dangerous to you should you become the path to ground. so if you chance the pcm before you changed the coils open or high resistance in the coil's secondary windings will also cause a weak spark or no spark, and may also damage the ignition module due to feedback induction through the primary circuit. in other words fry the pcm coil driver circuit. causing the coils to get no power..
    BTW i just learnt that there are 2 versions of the engine, i has a distributor, check and see if yours does, its the thing with all the spark plugs connected to it, if you dont see one, skip the following step, check if your distributor is getting power from the ignition coil.

  • Rishi Roshan Ali Apr 05, 2011

    yes those 6 coils.. the common causes of no spark are..

    Bad crankshaft position sensor or distributor pickup (Sends pulse signal to ignition module and/or PCM that is necessary to trigger the ignition coil(s)).
    Bad ignition module (controls firing of ignition coil(s), may have an intermittent open in circuitry that causes loss of spark, hard starting or sudden stalling, usually when hot)
    Bad ignition coil(s). Ignition coil creates high voltage to fire the spark plugs. On engines with a distributor, a bad coil will prevent spark at all the spark plugs. On engines with a distributorless ignition system or coil-on-plug ignition, a bad coil will only affect one or two cylinders depending on the application. This may make the engine hard to start, but it will run on the remaining cylinders that are firing.
    Cracks or carbon tracks inside distributor cap or on rotor (allows spark to short to ground before it reaches the spark plugs).
    Bad spark plug wires (if wet, cracked, burned or internal resistance exceeds specifications, can interfere with good spark and make engine hard to start).
    Fouled spark plugs (if the electrodes are contaminated with deposits, spark may short to ground before jumping gap causing misfires. Can make engine hard to start and run poorly. If plugs are wet when removed, it means they are not firing or engine is flooded).

  • Rishi Roshan Ali Apr 08, 2011

    remove the radiator cap, and start,, see if water comes out if so it means the engine block is cracked,, that would account for the low compression (slow spinning)

  • Rishi Roshan Ali Apr 13, 2011

    did you check your switch >> the ignition switch has a lot of wires connected to it, it trips relays to tnmble the vehicle and in your words send power to the spark plugs. Remove the switch by unmounting the lower dash, use a multimeter to test each wire as u tumble. See if the wire that runs to the spark plug relay *you will need to trace it to the fuse box to be sure which it is* or you can just change the switch with another to test it. (the 7 day return policy)

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