Community Tephra Tweaking

Reply Subscribe

Thread Tools

Search this Thread

Mar 15, 2011 | 04:17 PM

#856

4g94T

Evolved Member

iTrader: (18)

Joined: May 2004

Posts: 2,069

Likes: 0

From: California

Thanks

Mar 15, 2011 | 11:55 PM

#857

4g94T

Evolved Member

iTrader: (18)

Joined: May 2004

Posts: 2,069

Likes: 0

From: California

After a couple of miles, P0403 (EGR Flow Circuit Malfunction) showed up so I disabled it,
but it came back again. Did I miss something?

Mar 16, 2011 | 12:10 AM

#858

RoadSpike

Evolved Member

iTrader: (5)

Joined: Oct 2006

Posts: 3,805

Likes: 2

From: Sacramento, CA

Quote:

Originally Posted by 4g94T

After a couple of miles, P0403 (EGR Flow Circuit Malfunction) showed up so I disabled it,
but it came back again. Did I miss something?

Ah right the OBDII test set FCA periphery bit 9 to 0 it should be labled with EGR test or something.

Mar 16, 2011 | 12:14 AM

#859

4g94T

Evolved Member

iTrader: (18)

Joined: May 2004

Posts: 2,069

Likes: 0

From: California

Quote:

Originally Posted by RoadSpike

Ah right the OBDII test set FCA periphery bit 9 to 0 it should be labled with EGR test or something.

I just doubled checked it, its already set to 0

While searching the forums I found this:

Quote:

Originally Posted by mrfred

ok, after some more disassem of the EGR routines, I have found that Periphery 0 (FAA) bit11 does not actually shut off the EGR system until the coolant temp passes ~68C. Its ok to use if you plan on ripping out all the EGR stuff. However, it turns out that there is a byte length value that completely disables the EGR system and is a better choice to use.

For USDM Evo 8 94170008-15 and EDM Evo 8 96530006 use:

<table name="EGR System Enable/Disable" category="Emissions EGR" address="103D" type="1D" level="2" scaling="uint8"/>

For USDM Evo 8 96420007-11, 96940011, and USDM Evo 9 88590013-15 use:

<table name="EGR System Enable/Disable" category="Emissions EGR" address="1041" type="1D" level="2" scaling="uint8"/>

A value of "0" disables the EGR system and sets the EGR duty to 0% all the time. "1" enables the EGR system.

Oct 4, 2009 - Fixed to show that the EDM Evo 8 96530006 address is 103D instead of 1041.

Last edited by 4g94T; Mar 16, 2011 at 12:35 AM.

Mar 16, 2011 | 12:42 AM

#860

RoadSpike

Evolved Member

iTrader: (5)

Joined: Oct 2006

Posts: 3,805

Likes: 2

From: Sacramento, CA

Quote:

Originally Posted by 4g94T

I just doubled checked it, its already set to 0

While searching the forums I found this:

I already gave you that address hmm..

I defined the egr tests right?

There should be one with a pressure difference volts for the map sensor. Set the pressure diff volts to 0 and I think it will go away.

Mar 16, 2011 | 07:08 AM

#861

HornstarBU

Evolved Member

iTrader: (7)

Joined: Sep 2003

Posts: 1,509

Likes: 1

From: Austin, Tx

Cold takeoff problem

deleted

Last edited by HornstarBU; Mar 17, 2011 at 06:29 AM.

Mar 16, 2011 | 08:27 AM

#862

4g94T

Evolved Member

iTrader: (18)

Joined: May 2004

Posts: 2,069

Likes: 0

From: California

Quote:

Originally Posted by RoadSpike

Gotcha. Should I also set the EGR Map Check to 0?

Mar 16, 2011 | 09:06 AM

#863

RoadSpike

Evolved Member

iTrader: (5)

Joined: Oct 2006

Posts: 3,805

Likes: 2

From: Sacramento, CA

Quote:

Originally Posted by 4g94T

Gotcha. Should I also set the EGR Map Check to 0?

I have no idea what the map check does really so I would ignore that table for now. Use the pressure difference table for now and I can look at the others at a later time.

Mar 16, 2011 | 01:05 PM

#864

4g94T

Evolved Member

iTrader: (18)

Joined: May 2004

Posts: 2,069

Likes: 0

From: California

Thanks RS, I'll try it out

Mar 16, 2011 | 04:04 PM

#865

4g94T

Evolved Member

iTrader: (18)

Joined: May 2004

Posts: 2,069

Likes: 0

From: California

I set the voltage to 0 and P0403 came back after a couple of miles

Mar 16, 2011 | 04:26 PM

#866

RoadSpike

Evolved Member

iTrader: (5)

Joined: Oct 2006

Posts: 3,805

Likes: 2

From: Sacramento, CA

Quote:

Originally Posted by 4g94T

I set the voltage to 0 and P0403 came back after a couple of miles

What are the values for the first four tables the ones with map volts?

Mar 16, 2011 | 05:12 PM

#867

4g94T

Evolved Member

iTrader: (18)

Joined: May 2004

Posts: 2,069

Likes: 0

From: California

Map Test 1 = 0.10 Volts
Map Test 2 = 4.63 Volts
Map Test 3 = 4.22 Volts
Map Test 4 = 1.80 Volts

Mar 16, 2011 | 05:43 PM

#868

RoadSpike

Evolved Member

iTrader: (5)

Joined: Oct 2006

Posts: 3,805

Likes: 2

From: Sacramento, CA

Quote:

Originally Posted by 4g94T

Map Test 1 = 0.10 Volts
Map Test 2 = 4.63 Volts
Map Test 3 = 4.22 Volts
Map Test 4 = 1.80 Volts

Hmm lets set those to the infinite of bad see if it helps.

Set the tests 2 and 3 to 5 volts
Set tests 1 and 4 to 0.1 volts.

Mar 16, 2011 | 09:11 PM

#869

RoadSpike

Evolved Member

iTrader: (5)

Joined: Oct 2006

Posts: 3,805

Likes: 2

From: Sacramento, CA

IMPORTANT!

Do NOT try the jitter fixes I forgot to remove them from the xml :/ I'll correct them later and send a new xml but tonight I tired

Test Rom for SD
http://www.megaupload.com/?d=3LJ0R3RB

Requires my last xml which is in this thread somewhere I can link to it if needed ^^

Still looking at the 403 code

Edit:
Actually I'm gonna stop looking at it.

4g64 did you try the force ODBII inspection patch?

Last edited by RoadSpike; Mar 16, 2011 at 09:15 PM.

Mar 16, 2011 | 09:18 PM

#870

link62

Evolved Member

iTrader: (21)

Joined: Nov 2007

Posts: 857

Likes: 0

From: Bakersfield, CA

Quote:

Originally Posted by RoadSpike

IMPORTANT!

Do NOT try the jitter fixes I forgot to remove them from the xml :/ I'll correct them later and send a new xml but tonight I tired

Boo my sd harness is still a few days away so hopefully this weekend I can give it a shot