P0172- read swartlkk's post on this and had no clue where to start. or what to even trouble shoot but ill start after i replace the 02 sensors.
P0137- assuming i have to replace the O2 sensor. i figure ill replace all of them at once and get it out of the way.
P0401- ill clean the EGR again. already has the screen filter
P1442- ill have to dig into that one a little deeper ( have no clue where the evap vac switch is at )
P0700- ???
P1100- double ???

any help with any of these would be appreciated.

 

P0172 - Fuel Trim System Rich Bank 1
P0137 - HO2S Circuit Low Voltage Bank 1 Sensor 2
P0401 - Exhaust Gas Recirculation Flow Insufficient Detected
P1442 - EVAP Can. Purge Valve Diagnostic Switch or EVAP Vacuum Switch Circuit
P0700 - Transmission Control System (MIL Request)
P1100 - No matches...

Will update with more information when I get a chance with my other references.

I would be concerned about that rich bank 1 code. This can be caused by a fuel leak on the driver side of the lower intake manifold.

It is possible that the EGR code is being triggered due to the screen being plugged up with carbon deposits.

 

i looked in my gm techling and couldnt find anything under those codes. Online with OBD code list p0700 comes up as: Transmission Control System (MIL Request) and p1100 comes in as Mass Air Flow Sensor Circuit Intermittent (or bad map sensor as what it says as i have been reading) try discounting your battery for 15 minutes and see if they go away

 

ugh kyle 1 minute fast but o well your one of the best on here so better you the me haha

 

P1442 - Purge Solenoid Switch Static Test Malfunction
Description: This diagnostic is performed as part of the purge solenoid diagnostic inhibit criteria and will detect a diagnostic vacuum switch stuck in the open (high vacuum) position.

This test can result in a fail if the wire from the switch to the VCM is shorted to ground. This wire is white and is located in the gray VCM connector pin 15.

As far as the P0700 and P1100, neither of these show as valid codes in my references.

 

i borrowed the auto xray from orileys and cleared the codes 2 times now with a few month gap. about 5-10 minutes later they pop up again. its always the same 6

 

Try a different scan tool. Is your VCM/PCM located on the coolant bottle under the hood?

 

yeah they're on the passengers side. If i had a fuel leak from the lower intake manifold wouldn't i have a vacuum leak as well ? its acting like it doesn't have a vacuum leak (not running higher rpm's and no high pitch whistle) i haven't had the time to look for a gas leak.

 

No, a fuel leak internal to the plenum does not mean you would also have a vacuum leak.

 

i was thinking it would leak to the outside my bad.