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Boss 302S Intake Manifold

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Old 6/17/12, 11:01 AM
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Boss 302S Intake Manifold

I installed the intake manifold without a hitch, but the engine light comes on.

Ok, so the DTC code is P0443, evaporative emission system purge control valve!? I reconnected everything, so why would this be coming on?

Was able to clear the DTC, went a full day without the light and it came back on each time after I start!
Old 6/17/12, 11:18 AM
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Did you retune it for the Boss intake?
Old 6/17/12, 05:14 PM
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Yes, SCT3 with 93 tune from Stage 3 (allegedly)! I gave them all the numbers and parameters, but is been doing it since the tune and I feel there should be better response than what I'm getting!

Last edited by mburnette; 6/17/12 at 05:16 PM.
Old 6/17/12, 08:25 PM
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The purge valve is the one that must be relocated... Pain in the ****. Are you sure it's reconnected completely and correctly and relocated some where safe?
Old 6/17/12, 08:36 PM
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Yeah, it's located on the back of the manifold. I had to extend the wires from the stock location down the right side of the manifold to the rear. It's plugged in all the way. I believe I used 14 or 16 ga wire.
Old 6/18/12, 06:32 AM
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Originally Posted by mburnette
Yeah, it's located on the back of the manifold. I had to extend the wires from the stock location down the right side of the manifold to the rear. It's plugged in all the way. I believe I used 14 or 16 ga wire.
A little off subject but was it easy to rewire? I still need to do mine, I have it bolted to the front of the block as of right now
Old 6/18/12, 06:33 AM
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On second thought that may be your issues... Did you rewire correctly?
Old 6/18/12, 07:47 AM
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Well, you know about assumptions, and there weren't any instructions with the kit. However, I found the two wires from stock location, cut and added wire to the new location!
Old 6/18/12, 03:36 PM
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Originally Posted by mburnette
Well, you know about assumptions, and there weren't any instructions with the kit. However, I found the two wires from stock location, cut and added wire to the new location!
I know this doesn't help but maybe instead of cutting you should have spliced into the wire.
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