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24th November 2014, 10:13 PM
#1
Beginner
EGR Blank causing limp mode
I've been trying to search the forum with no luck to see if anyone else had this issue.
I recently installed a dawes valve kit, erg blank and 3" exhaust. When driving at highway speeds with a steady pedal the Patrol would go into a "temp" limp mode. After coming off the pedal for a sec and back on it would go just fine. Through investigating I noted the boost would come up to quickly for the Dawes kit compensate but it would still occur. It was only after removing the blanking plate would the valve kit work correctly.
The blanking plate that I purchased did not have the hole as I had seen in others, but based on the position the instructions indicated for it install it didn't cause the dummy light to come on, so thought all is good.
Any ideas as to what is causing this? I currently to not have blanking plate in and would like to put it back. Should I put a hole in it to allow some recirculation?
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24th November 2014 10:13 PM
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25th November 2014, 09:33 AM
#2
Dribble Master
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25th November 2014, 09:52 AM
#3
Patrol Freak
sorry Ozmerican...... as you know, mines a 4.2
so I wouldn't know shyte from clay with a 3.0.......
hopefully someone like Nizzbits can help? maybe....?
Tidy Whitey - 99 GU TD42Ti - Diesel Gas, (GUIV Turbo & Intercooler 8Lb boost), 33" Micky T's Baja MTZ's, Dual Batt's, Cargo Barrier, rear draws, HID Super Oscars, winch, Grinch & witch attached and more goodies to come
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25th November 2014, 09:59 AM
#4
Hardcore
I've heard if it's a crd zd30 you need the hole drilled in or a scan guage to stop limp modes
Whoever appeals to the law against his fellow man is either a fool or a coward.
Whoever cannot take care of themselves without that law is both.
For a wounded man shall say to his assailant,
'If I live, I will kill you. If I die, You are forgiven.'
Such is the rule of honour.
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25th November 2014, 10:00 AM
#5
Patrol God
Try backing the dawes off a bit at a time sounds like your a tad of the sweet spot
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The Following User Says Thank You to Sir Roofy For This Useful Post:
Dr Gary (23rd February 2015)
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25th November 2014, 10:59 AM
#6
Patrol God
Whats your max boost reaching ?
DO what I did and put a permanent texta mark on the dawes.
Grab a pad and pen, adjust your boost,noting what you did.
If its hitting 15PSI if thats your max quickly,,,,, open the needle 1/2 a turn writing it down.
Takes a little while but you'll get there, grab two spanners and go for a drive
Last edited by threedogs; 25th November 2014 at 11:14 AM.
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
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The Following 2 Users Say Thank You to threedogs For This Useful Post:
Dr Gary (23rd February 2015), Ozmerican (2nd December 2014)
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25th November 2014, 11:02 AM
#7
I am he, fear me
Originally Posted by
macca86
I've heard if it's a crd zd30 you need the hole drilled in or a scan guage to stop limp modes
Nah, blanking plate EGR codes on the CRD's only set the check engine light.
They won't cause limp mode so drilling the hole or clearing the fault is only to stop the check engine light.
As posted by Roofy I think the problem is the Dawes and Needle needs tweaking.
Dolphins are so smart that within a few weeks of captivity, they can train people to stand on the very edge of the pool and throw them fish.
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25th November 2014, 11:16 AM
#8
Patrol God
Do you have gauges fitted???
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
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25th November 2014, 04:10 PM
#9
Patrol Freak
Originally Posted by
the evil twin
Nah, blanking plate EGR codes on the CRD's only set the check engine light.
They won't cause limp mode so drilling the hole or clearing the fault is only to stop the check engine light.
As posted by Roofy I think the problem is the Dawes and Needle needs tweaking.
there is no mention of a needle valve so if there isnt one you need one to adjust up the spool rate so pm mudski for that or the evil twin has a different way to adjust the turbo actuator so ask him for his knowledge on the subject
07 crd,,bridgestone 697lt, 2.75 buedesert ex,
SOLD theres a lot of my blood, sweat and money in that troll.
92 gq ti tb42efi my brothers gq extractors dual batteries brake controller uhf alloy bullbar
SOLD with a heavy heart but gone to a nice young fella
13 y62 the beast that burbles
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28th November 2014, 06:19 PM
#10
No mention of what his max boost is too. Need to know this before you do anything. But my guess is a needle valve would be handing here to help drop the cruising boost pressures. Not only does the needle valve adjust spool up rate, it in turns increases or decreases your cruising boost pressure.
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