Clicking on deceleration + P0303 + P0021 + P0011
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This is a discussion on Clicking on deceleration + P0303 + P0021 + P0011 within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hi guys. Seems since I got my 07' WRX I've had nothing but issues with getting it running right ;-) ...

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    Clicking on deceleration + P0303 + P0021 + P0011

    Hi guys. Seems since I got my 07' WRX I've had nothing but issues with getting it running right ;-) Besides the codes and symptoms listed below, overall drivabiliy is still good, but lack of power seems evident; however, I am not sure how things should feel since I've never had the car running perfect since I bought it a month ago. Looking to confirm I have the correct order of attack on these symptoms codes and possible causes. Also hoping I have no false leads.

    I'm having symptoms exactly the same as the following thread (Weird Clicking Sound). Basically sounds like a card clicking through bicycle spokes, but louder, on 20MPH decel. Most reproducible in 2nd gear.

    Also some codes...P0303 (only ever threw it once after a very warm start leaving from the local store) and P0021/P0011 (three different times on the highway at 60 MPH towards the end of a long hard drive). I also have a chirp/squeek when A/C is enguaged.

    I'm taking it to the dealer for the following tomorrow:

    1. Fully inspect AVCS system, if not already, remove screens as per the bulletin (P0021 and P0011 codes)
    2. Inspect timing belt, pullies, tensioners. Replace as needed (for weird clicking, also could be related to P0021 and P0011 codes)
    3. Price out parts needed to go back to stock intake setup (MAF is not scaled - and I'm not wanting to battle tune issues and other issues at the same time)
    4. Inspect accessory belt, pullies, tensioners. Replace as needed (for chirp/squeek when A/C is engaged)
    5. Inspect / test ignition components including coil packs / wires / spark plugs (P0303)


    Let me know if you have any comments or suggestions...other things I should be looking into.

    Cheers,
    Richard

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