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12-30-2021, 06:29 PM
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#1 |
    
Drives: 2014 Summit White 2SS/RS M6 Join Date: Aug 2012
Location: @ ur moms house in VA
Posts: 1,405
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P0303 code
I got code p0303. Switch spark plugs , coil and cable from cylinder 3 to cylinder 1 to see if the code would transfer to cylinder 1, but it did not. What else could it be? I did the screwdriver test to see if the fuel injector was firing (ticking sound) like the rest and it does. What else could it be? Any help would be appreciated. Battery voltage when cars off it's about 12.5 (around there) , when running it's around 14.something. Also cleaned the MAF. HELP!!!!!!
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12-30-2021, 10:49 PM
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#2 |
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Pull the valve cover and check the valvetrain. If possible, turn the motor over by hand several revolutions and compare the motion of the rockers for cylinder #3 with the others. If that checks out as normal, then perform a compression test. Le us know the results.
-Scott
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745RWHP/634RWTQ on 93 @ 10psi
806/676 on E85 @ 10psi  COTW 9/8/14 |
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12-31-2021, 09:17 AM
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#3 |
    
Drives: 2010 SS 2SS M6 Join Date: Aug 2016
Location: Smithsburg, Md.
Posts: 2,445
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how old is the battery?
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2010 SS 2SS M6 - Tune by RDP dynoSteve!(Woot) - Daily Driver - 150K! - All work by me...
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12-31-2021, 09:44 AM
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#4 | |
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Drives: 2014 Summit White 2SS/RS M6 Join Date: Aug 2012
Location: @ ur moms house in VA
Posts: 1,405
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Quote:
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12-31-2021, 09:45 AM
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#5 | |
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Drives: 2014 Summit White 2SS/RS M6 Join Date: Aug 2012
Location: @ ur moms house in VA
Posts: 1,405
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Quote:
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12-31-2021, 11:01 AM
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#6 |
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Wow!! That's good longevity for a battery!! While these cars do funky things when the battery goes bad, a P0303 is a fairly specific code to be battery related, in my opinion, however, stranger things have happened. That would certainly be an easy fix...
-Scott
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745RWHP/634RWTQ on 93 @ 10psi
806/676 on E85 @ 10psi COTW 9/8/14 |
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01-11-2022, 03:33 PM
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#7 |
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Drives: 2014 Summit White 2SS/RS M6 Join Date: Aug 2012
Location: @ ur moms house in VA
Posts: 1,405
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Update to code p0303. I had a broken valve spring. Thanks to y'all's input
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01-11-2022, 03:52 PM
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#8 |
    
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 11,435
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Awesome!! Glad you found the culprit. Thanks for letting us know.
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TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.
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