Question about 1998 Dodge Avenger

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Avenger 1998 6 cyl, from time to time wont start

Avenger 1998 6 cyl, from time to time wont start , wait a few min and will start this does happen if it sets for hrs or turn off and sets a few min ! It cranks over great , sounds like a fuel or electial , could it be a relay of some sort

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  • schdirtmo Nov 16, 2009

    Avenger 1998 6 cyl, from time to time wont start , wait a few min and will start this does happen if it sets for hrs or turn off and sets a few min ! It cranks over great , sounds like a fuel or electial , could it be a relay of some sort, where are the relays located , all fuses are ok !!!

  • schdirtmo Nov 16, 2009

    Avenger 1998 6 cyl, from time to time wont start , wait a few min and will start this does happen if it sets for hrs or turn off and sets a few min ! It cranks over great , sounds like a fuel or electial , could it be a relay of some sort, where are the relays located , all fuses are ok !!! one expert said it could be relay.If its the Relay - Fuel Pumpat / Faulty Fuel Pump Relay.
    Where is the relay located???
    Thanks

  • schdirtmo Nov 16, 2009

    Ok I have asked Auto zone , if the check engine comes on they can check it , other wise they cant determine whats causing the problem. the check engine light does not come on !!! Does the 1998 Dodge Avenger have the codes to determind such a problem?

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  • Master
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A good place to start with this issue is with some code diagnostics. Since it is intermittant in nature, it may not reveal itself immediately, however, there should be faults stored in the PCM. You are correct however, the problem is electrical or fuel related, and with the electronic fuel injection system it could actually be an electrical problem causing a fuel issue. You can get the codes read as a free service at most national auto parts chains such as Advance or Auto Zone. They will interpret the codes for you as well. They do this service in hopes of selling you a part when the codes reveal what is wrong. You can see if it is a spark related issue, if you will do this easy test when the vehicle will not start. Simply have an assistant turn the key while you pull a plug wire..if you have spark,,,(it will arc and you can hear it if you hold the connection very close to the cap of the plug), then your problem is fuel related rather than spark. I suspect that you'll find the problem to be spark related because you have made no mention of the car missing or not running properly when it does start...in fact, your description was that it runs great. If it were fuel related, I would suspect a sluggish start and possibly not running up to snuff after the start. Good Luck. I hope you find this very helpful!

Posted on Nov 16, 2009

  • Hal Hallman Nov 16, 2009

    Whether a sensor or relay, code diagnostics will likely reveal it. Also the test that I described will narrow the problem down to spark or fuel. If it is found to be fuel related, you can check to see if your fuel pump is working during this downtime. Good Luck!

  • Hal Hallman Nov 16, 2009

    Many times fault codes are stored and will show up even when the light is not on. For verification, you could ask your local dodge dealer if that is the case on your model.

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  • Dodge Master
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1998 Dodge Avenger 2.5L MFI 6cyl
Several reasons here, starter, loose cable, etc

If its got over 100k, probably your starter is bad; happens on the Chryslers models.

And they are not fun to change there is no room at all they are up under the exhaust manifold and you have to pull the front engine mount assembly usually, to get the starter out.

If the cables are all tight and the battery is full then its probably bad starter. Check it or replace.

Also, review this items:
1. Fuel Injector Pressure Regulator Faulty / Fuel Injector Pressure Regulator.
2. Carburetor Float / Faulty Choke Float.
3. Choke Pulloff / Faulty Choke Pulloff.
4. Choke Thermostat / Stuck or Improperly Functioning Choke Thermostat.
5. Fuel Injector Cold Start Valve / Damaged or Faulty Cold Start Valve.
6. Spark Plugs / Fouled Spark Plugs.
7. Relay - Fuel Pumpat / Faulty Fuel Pump Relay.
8. PCV Valve / Plugged or Damaged PCV Valve.
9. Carburetor / Choke Not Operating

Tell us other news. Good luck.

Posted on Nov 16, 2009

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  • ZJ Limited
    ZJ Limited Nov 16, 2009

    The main fuse block on these vehicles is located at the left side of
    the dashboard, behind an access panel. These is also a Power
    Distribution Center (PDC) which can be found under the hood.



    Fig. 1: Location of the Power Distribution Center (PDC)



    Fig. 2: Location and fuse amperage ratings for fuses and relays can be found on the underside of the PDC lid

    Good luck.


  • ZJ Limited
    ZJ Limited Nov 16, 2009

    Also, this wiring diagrams can helped to solve the electrical problem:

































    Hope helped with this.


  • ZJ Limited
    ZJ Limited Nov 16, 2009

    Maybe, if you can check the ODB Codes, do it. Here have a fererence guide for description: obd-codes dodge

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  • Master
  • 10,515 Answers

Hi,

To be really honest with you, List of reasons could be endless. It would not make any sense without narrow down the issues. You need to take the car to the Auto Zone and get the car scanned for Errors. I am positive you would see some Error's. Once you have those Error's , we could Quickly catch the fix rather than me advising you to Check Relay, Fuse, Battery or Sensors.

Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Nov 16, 2009

  • taran_2005
    taran_2005 Nov 16, 2009

    Thanks for your response!!

    The fist thing I need you to do is a fuel pressure test. You need to puy a gage on it, there is a test port on the fuel rail, and you'll need a gage that reads at lest 75 PSI.It should run on 42-45 PSI. And hold pressure when you cut it off, drop to no less than 20 PSI, when you turn it off and it should take it 20-30 minutes to drop that much.

    What you describe is a fuel pump starting to fail, but do the test to make sure.

    Let me know, once done.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!


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