P1406 Digital EGR

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01-17-2007, 12:15 AM

captainmiller

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P1406 Digital EGR

Well, I have been getting the EGR pintle performance code for awhile now. I removed the EGR, and before cleaning in the pintle moved plenty freely. I cleaned it anyway, and installed a new gasket, and I'm still getting the P1406 code randomly.

So is it safe to say my EGR is shot? Will running with a broken EGR cause any problems? Performance? Mileage? Where should I look for another?

Thanks Guys.

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01-17-2007, 03:24 AM

MACDRIVE

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Do you have 5 volts power going to it?

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01-17-2007, 08:10 AM

willwren

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You don't have a digital EGR. You have a linear EGR. And the Linear'* don't respond to cleaning as well as the Digitals. This is typically a remove and replace kinda thing.

It can cause driveability, performance, mileage, and emissions issues.

Here'* your compatibility list:

Quote:

Buick Century
1997-2002
3.8L Eng Valve, EGR

Buick LeSabre
1996-2003
Valve, EGR 00-01

Buick Park Avenue
1996-2003
Valve, EGR 97-01

1991-1996
w/Supercharger Valve, EGR 96

1991-1996
w/o Supercharger Va ...

1991-1996
w/o Supercharger Va ...

1995
Normally Aspirated

Buick Regal
1988-1999
3.8L Eng 1996 Valve, EGR

1997-2003
3.8L Eng Valve, EGR 97-01

Buick Riviera
1995-1999
w/Supercharger Valv ...

1995-1999
w/o Supercharger Valve, EGR

1995
Normally Aspirated

Chevrolet Impala
2000-2003
3.8L Eng Valve, EGR 00-01

2000-2001
3.8L Eng

Chevrolet Lumina
1995-1999
3.4L Eng 1996-97 Valve, EGR

1995-1999
3.8L Eng 1998-99 Valve, EGR

1996-1997
3.4L Eng

1998-1999
3.8L Eng

Chevrolet Monte Carlo
1995-1999
3.4L Eng 1996-97 Valve, EGR

1995-1999
3.8L Eng 1998-99 Valve, EGR

2000-2003
3.8L Eng Valve, EGR 00-01

1996-1997
3.4L Eng

1998-2001
3.8L Eng

Oldsmobile Cutlass Supreme
1988-1997
3.4L Eng 1996 6 Cyl Valve, EGR

1996
3.4L Eng

Oldsmobile Eighty-Eight
1996-1999
All applications

1995
Normally Aspirated

Oldsmobile Intrigue
1998-2002
3.8L Eng Valve, EGR

1999
3.8L Eng

Oldsmobile LSS
1996-1999
All applications

Oldsmobile Ninety-Eight
1996
All applications

1995
Normally Aspirated

Oldsmobile Regency
1992-1998
w/o Supercharger Va ...

1992-1996
w/o Supercharger Va ...

Pontiac Bonneville
1996-2002
Valve, EGR 00-01

2000-2003
Valve, EGR 00-02

1995
Normally Aspirated

Pontiac Grand Prix
1990-1996
3.4L Eng Valve, EGR 96

1997-2002
w/Supercharger 3.8L ...

1997-2002
w/o Supercharger 3.8 ...

1996
3.4L Eng

1997-2001
3.8L Eng

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01-17-2007, 10:47 AM

Vas62

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When I had this code it was solved by replacing 15 Amp fuse on passenger site,but if your cruise control works,then it'* not the fuse.
It'* #5 fuse on my 1995 SSEi and it'* in cirquitry of EGR,Evapor purge solenoid,cruise control and boost control solenoid.
In my case all of above didn't work properly.

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01-17-2007, 11:40 PM

captainmiller

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Thanks for the info boss. That is quite the list...I'm sure I can find one at the wreckers.

A new AC Delco unit is around $150.

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02-24-2010, 04:32 PM

sandman900ss

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My 1996 just threw the P1406 code, and I found this thread under a search. Weird thing is, mine will clear itself and the car will run normally after a few shut downs and re-starts.
It'* happened before, though- car suddenly starts running real roughly, check engine light comes on. Guess I definitely need an EGR valve, new or used. Any issues taking a chance on a used one?

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04-26-2010, 02:04 AM

sandman900ss

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Question about EGR replacement: are the two bolts that attach it prone to rust and seizing? Do they usually come off easily, or have people snapped them when loosening?

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05-03-2010, 02:24 PM

sandman900ss

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OK, I guess it'* not an issue...just a fresh gasket and good to go?

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05-03-2010, 02:32 PM

BillBoost37

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Dunno, please...feel free to start your own thread that isn't 3 years old and post your issues so we can help you with the most current info/knowledge that we have.