P0299 and p2261 trouble codes

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Apr 29, 2019 | 07:15 AM

#21

DrLoch

Senior Member

Joined: 09-07-2008

Posts: 1,016

From: Mebane, NC

Quote:

Originally Posted by firemangeorge

I don't think you can delete the vacuum tank and have it work correctly. There is a reason GM put the tank there to have a reserve supply. The system calls for vacuum at times it's under boost or not "pulling" a vacuum. Without the tank, it has no vacuum to pull from.

Correct, you can't delete the vacuum tank and have everything work correctly.

Apr 29, 2019 | 08:23 AM

#22

donbrew

Moderator

Joined: 01-23-2009

Posts: 26,532

From: Fredericksburg,VA

Quote:

Originally Posted by WhiskeyshotSS

Yes it is are pointed towards the ac. I will check the cables and o-ring tomorrow.

See post #3.

Apr 29, 2019 | 09:04 AM

#23

WhiskeyshotSS

Thread Starter

Joined: 04-05-2016

Posts: 9

From: fontana

I will take some pictures of the lower sensor soon and post them here.

Apr 29, 2019 | 09:06 AM

#24

WhiskeyshotSS

Thread Starter

Joined: 04-05-2016

Posts: 9

From: fontana

Quote:

Originally Posted by DrLoch

Correct, you can't delete the vacuum tank and have everything work correctly.

i see, is there a way I can test the tank to see if it still good? When I got the car, all those vacuum lines coming up from the solenoid on the intake manifold were plugged into the wrong spots.