2006 fuel preasure regulator
01-10-2013 | 12:10 PM
#21
Founding Member
Joined: 11-23-2007
Posts: 8,210
From: Texas
P0004 Fuel Volume Regulator Control Circuit High.....
This info was from the code/instruction book that came with the reader. Still wondering if the long running pump @ ignition switch on may have caused it. Think I'm gonna change that relay anyhow, see if that changes the runtime at startup.
Bill
This info was from the code/instruction book that came with the reader. Still wondering if the long running pump @ ignition switch on may have caused it. Think I'm gonna change that relay anyhow, see if that changes the runtime at startup.
Bill
01-10-2013 | 08:56 PM
#22
Moderator
Joined: 01-23-2009
Posts: 25,339
From: Fredericksburg,VA
Here is an off the wall thing to check, it happened to me. Make sure the purge valve is a) hooked up electrically and b) hooked up tube wise. That is the funny looking thing-a-ma-bob mounted on the driver side under the air filter housing with a tube to the fuel rail. I forgot to plug one back in and got some strange fuel pressure code.
01-11-2013 | 07:55 AM
#23
Thread Starter
Member
Joined: 11-03-2012
Posts: 68
From: Aiken Co, SC
Here is an off the wall thing to check, it happened to me. Make sure the purge valve is a) hooked up electrically and b) hooked up tube wise. That is the funny looking thing-a-ma-bob mounted on the driver side under the air filter housing with a tube to the fuel rail. I forgot to plug one back in and got some strange fuel pressure code.
Thanks all, if it happens again, I'll get a reading with a better code reader, and post finding...Bill
01-11-2013 | 08:30 AM
#24
Senior Member
Joined: 06-26-2006
Posts: 1,876
From: San Bernardino, California
scbill, I was curious since I'd never seen that code so I did some searching. It seems that code is somewhat of an enigma regardless of the type of vehicle it shows up on. I found several statements similiar to this one:
FWIW...
DTC P0004:
If you get this DTC, you may want to try reading the codes using another (if possible) higher quality code reader. Even clear the code and see if the code comes back. This code is not common and sometimes is shown in error due to the design of the code reader (e.g. the code reader function is a secondary function of a tuner device).
If you get this DTC, you may want to try reading the codes using another (if possible) higher quality code reader. Even clear the code and see if the code comes back. This code is not common and sometimes is shown in error due to the design of the code reader (e.g. the code reader function is a secondary function of a tuner device).
02-23-2013 | 08:30 PM
#25
Thread Starter
Member
Joined: 11-03-2012
Posts: 68
From: Aiken Co, SC
Chevy MGR
It's been a little over a month, no code reoccur but...mpg has dropped 2-3 mpg, worse on open road...(aka interstate) Another thing I failed to mention, when you depress the brake to shift from park, you hear the solenoid click, before I reset the cel. it was clicking in all shift positions, clicks now as it is supposed to only in park...What would happen if I disconnected the battery for a time, would it clear the management circuit, and relearn?..Thanks.Bill
It's been a little over a month, no code reoccur but...mpg has dropped 2-3 mpg, worse on open road...(aka interstate) Another thing I failed to mention, when you depress the brake to shift from park, you hear the solenoid click, before I reset the cel. it was clicking in all shift positions, clicks now as it is supposed to only in park...What would happen if I disconnected the battery for a time, would it clear the management circuit, and relearn?..Thanks.Bill
Last edited by scbill; 02-23-2013 at 08:35 PM. Reason: added info
02-23-2013 | 09:40 PM
#26
Moderator
Joined: 01-23-2009
Posts: 25,339
From: Fredericksburg,VA
Chevy MGR
It's been a little over a month, no code reoccur but...mpg has dropped 2-3 mpg, worse on open road...(aka interstate) Another thing I failed to mention, when you depress the brake to shift from park, you hear the solenoid click, before I reset the cel. it was clicking in all shift positions, clicks now as it is supposed to only in park...What would happen if I disconnected the battery for a time, would it clear the management circuit, and relearn?..Thanks.Bill
It's been a little over a month, no code reoccur but...mpg has dropped 2-3 mpg, worse on open road...(aka interstate) Another thing I failed to mention, when you depress the brake to shift from park, you hear the solenoid click, before I reset the cel. it was clicking in all shift positions, clicks now as it is supposed to only in park...What would happen if I disconnected the battery for a time, would it clear the management circuit, and relearn?..Thanks.Bill
03-05-2013 | 08:33 AM
#27
Thread Starter
Member
Joined: 11-03-2012
Posts: 68
From: Aiken Co, SC
Update.......MPG back to normal (where it used to be), replaced LF wheel brg assy. RF was replaced before purchased by dealer. Don't know if the brg was the culprit on the MPG. If/when the rear brgs go I'll do both, one goes, the other is close behind. 60K on Mich. salt roads.
Edited to say...Didn't do the battery disconnect thing.
Bill
Edited to say...Didn't do the battery disconnect thing.
Bill
03-06-2013 | 12:00 PM
#28
Senior Member
Joined: 09-19-2011
Posts: 333
From: myrtle beach, sc
Update.......MPG back to normal (where it used to be), replaced LF wheel brg assy. RF was replaced before purchased by dealer. Don't know if the brg was the culprit on the MPG. If/when the rear brgs go I'll do both, one goes, the other is close behind. 60K on Mich. salt roads.
Edited to say...Didn't do the battery disconnect thing.
Bill
Edited to say...Didn't do the battery disconnect thing.
Bill
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