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Valve spring ID

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Old Nov 3, 2016 | 09:46 PM
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Default Help with Valve spring ID

I have a 2005 that I bought used and it has a modified cam, but that is all I know about it. the check engine light started flashing a few weeks ago but would never set a code. From searching the forum I learned that this indicated a misfire, and with a scan tool I found that it was the #3 cylinder. I've changed the plugs and leads, cleaned and tested the fuel injectors, and swapped coil packs around and still #3 misfire.

So tonight I pulled the valve cover off and found the #3 exhaust spring is broken. Is there any way to tell if these are after market springs? What would the originals look like?

Thanks for any help.

Last edited by ah64d1; Nov 4, 2016 at 06:17 AM. Reason: No response
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Old Nov 4, 2016 | 08:46 AM
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Pictures will help.
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Old Nov 4, 2016 | 08:55 AM
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Originally Posted by ah64d1
I have a 2005 that I bought used and it has a modified cam, but that is all I know about it. the check engine light started flashing a few weeks ago but would never set a code. From searching the forum I learned that this indicated a misfire, and with a scan tool I found that it was the #3 cylinder. I've changed the plugs and leads, cleaned and tested the fuel injectors, and swapped coil packs around and still #3 misfire.

So tonight I pulled the valve cover off and found the #3 exhaust spring is broken. Is there any way to tell if these are after market springs? What would the originals look like?

Thanks for any help.
if its the stock spring it should be a single and have a colored stripe on it.reddy brownish on a 05 car
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Old Nov 4, 2016 | 10:19 AM
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Here's a picture.

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Old Nov 4, 2016 | 10:35 AM
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Yes those are OEM valve springs.
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