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Thread: 00 Crv: P0300, P0301, P0303

  1. #1

    Default 00 Crv: P0300, P0301, P0303

    Check engine light came on and I got these codes at Autozone.. argh. spark plugs & wires were replaced at the dealer early last year.. car is running fine though. Any ideas?? Although I'd hate to, but I'll have to drop the car off at the shop.

  2. #2
    Senior Member HondaSUV Elder 'Curly Q Links''s Avatar
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    If the car is running fine, what prompted you to get the OBD II scan?

    Maybe they weren't reset after the last time you had a major malfunction? Did Autozone clear the codes or leave them in for next time?
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  3. #3
    Member HondaSUV Senior in training
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    Hey ProV1,
    I got the same codes at my dealership last winter. They assume it was bad spark plugs so they replaced them and after a few weeks of driving the CEL came back. I didn't take my V back to the dealership instead to an Independent shop and did a full maintenance including valve adjustments (everyone would agree), transmission fluid change, oil change etc...and to this day the CEL has never been on (Knock on wood). I had other problem too like creaking noise from under the CRV but that was takened care of last Friday =). My V is 2000 LX manual with 138,000 KM.

    pho

  4. #4
    Senior Member HondaSUV Mentor
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    A P0300 and 301,302, etc. OBD code generally would indicate a random or multiple misfire. The last digit corresponds to the cylinder number that is misfiring. A P0302 code, for example, would mean cylinder number two is misfiring. The code doesn't tell you why, though.

    What happened, before you got the codes? Did you clean the engine compartment, check fluids, etc.? A leaky vacuum hose can cause a lean condition and set these generic codes too.

    I would reset and see if they come back right away.
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  5. #5

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    Quote Originally Posted by mdugan7000 View Post
    A P0300 and 301,302, etc. OBD code generally would indicate a random or multiple misfire. The last digit corresponds to the cylinder number that is misfiring. A P0302 code, for example, would mean cylinder number two is misfiring. The code doesn't tell you why, though.

    What happened, before you got the codes? Did you clean the engine compartment, check fluids, etc.? A leaky vacuum hose can cause a lean condition and set these generic codes too.

    I would reset and see if they come back right away.


    Thanks for help guys. I didn't do anything to the engine, it was running fine and last week the CEL came on all of a sudden. That is why I got the codes read at Autozone. Overall the car is running OK, except it has metallic buzzing noise (checked the manifolds but can't locate where it's loose).

    After autozone reset the codes, everything cleared and no more CEL light. We'll see if it comes back. As mdugan mentions, these codes are pretty general and I'm afraid the indy shop will start throwing parts until they find the problem.

  6. #6
    FFNC Site AdminHondaSUV Elder Racoon's Avatar
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    Quote Originally Posted by ProV1 View Post
    Overall the car is running OK, except it has metallic buzzing noise (checked the manifolds but can't locate where it's loose).
    The buzzing is probably coming from the upper heat shield on the catalytic converter. On the 1st Gen CR-V the front mounting holes tend to rust out, especially if you're in a state that salts the roads in the winter. A 3.5" metal hose clamp around the front of the cat fixes the problem. You do have to tighten the clamp pretty tight.

    In the following image the FR. and arrow indicates the front of the CR-V:

    #3 is the catalytic converter
    #5 is the upper heat shield
    #4 is the lower heat sheild

    Great thing about the CR-V is you can crawl under it without having to lift it onto jack stands.




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