Help with a code please P1416

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Oct 19, 2006 | 08:22 AM

George V

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Racer

Joined: Oct 2003

Posts: 377

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From: Palm Beach Gardens FL

Help with a code please P1416

I pulled this code off my 02 last night; according to the manual this is a problem with the air system bank 2. I checked all of the connections including the fitting on my QTP headers. Everything looks good by visual inspection however I can’t see behind the intake manifold. Reading the troubleshooting for this code in the manual I was thinking the problem might be the check valve.

Anyone have experience or recommendations to correct this

Oct 19, 2006 | 09:08 AM

vettenuts

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Joined: Mar 1999

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From: At the beach in little Rhody

Usually if its one bank only the check valve is high on the suspect list. Unfortunately, bank 2 check valve is behind the intake if I remember correctly and is part of the long metal pipe that attaches to the rear of the head.

Oct 19, 2006 | 09:57 AM

George V

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Racer

Joined: Oct 2003

Posts: 377

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From: Palm Beach Gardens FL

Yep, looks like the intake has to be removed to change it.

Sounds like a winter project to me. Do you think this will affect performance, it does not seem to.

Oct 19, 2006 | 10:40 AM

vettenuts

Team Owner

Joined: Mar 1999

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From: At the beach in little Rhody

I can't imagine it would, I think it only tests during startup. The only performance I think it might affect is staring at the stupid yellow light

Oct 19, 2006 | 10:57 AM

George V

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Racer

Joined: Oct 2003

Posts: 377

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From: Palm Beach Gardens FL

If I understand the description in the shop manual it will not come on right away, I think it takes something like 30 or 50 start cycles to come up. Guess I will find out. I really don’t feel like taking the intake off again…..unless I can do another mod while I am in there.

Oct 19, 2006 | 11:54 AM

Varmit

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Joined: Jan 2006

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From: Tellico Village, Tn

St. Jude Donor '08

Just had the same thing happen. I'm starting to think that if the performance is not affected, and nothing is damaged by it, I might just live with doing the reset for a while. Although mine does not come on at start, but after the car has been driven about 50 miles.

Oct 19, 2006 | 03:47 PM

George V

Thread Starter

Racer

Joined: Oct 2003

Posts: 377

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From: Palm Beach Gardens FL

Mine did not come on at start either, it was after 20 miles or so from start up. Its not too bad of a job if we can be sure the check valve will fix it, but I hate to do all that work for a guess.