Notice: We request that you don't just set up a new account at this time if you are a previous user.
If you used to be one of our moderators, please feel free to reach out to Chris via the facebook Outerlimits4x4 group and he will get you set back up with access should he need you.
Recovery:If you cannot access your old email address and don't remember your password, please click here to log a change of email address so you can do a password reset.

gq fuel screw ?

Tech Talk for Nissan owners.

Moderators: toaddog, V8Patrol

Forum rules
Post Reply
Posts: 206
Joined: Sun Mar 28, 2010 6:49 pm
Location: ipswich

gq fuel screw ?

Post by gqmudder91 »

hi all serviced my gq 4.2 na the other week week and ever since i have gotten less k out of a tank and was eading a thread on here on a build up ( cant remember which one ) and he said that u can adjust the fuel screw on it to make it get beta ks is it true if so how much ?
cheers :)
gq patrol / mavrick bullbar spotties no mud flaps need money
Top
User avatar
JWB
Posts: 451
Joined: Sun Aug 24, 2003 5:48 pm
Location: Logan

Post by JWB »

I'll state the obvious here,

If you have serviced the car only to get noticable reduced fuel effeicency(SP)
then I would suggest you leave the fuel screw alone.
As they are not a cheap engine to fix!
re-check what you touched and /or take it to a professional.

cheers
JB
Top
Posts: 1375
Joined: Fri Nov 15, 2002 9:24 am
Location: Morayfield

Contact:
Contact XTREME MMM

Post by XTREME MMM »

JWB wrote:I'll state the obvious here,

If you have serviced the car only to get noticable reduced fuel effeicency(SP)
then I would suggest you leave the fuel screw alone.
As they are not a cheap engine to fix!
re-check what you touched and /or take it to a professional.

cheers
SMART COMMENT AND QUITE TRUE!

Good one John.
David Metcalfe, runs Xtreme 4X4 Sport which is the home of ARB Xtreme Winch Challenge Series, Xtreme International & 4WD Angel Adventure supporting Angel Flight Australia
Top
Posts: 11
Joined: Wed Sep 02, 2009 11:56 am
Location: LOGAN

Post by MUDGUTS83 »

being an n/a u carnt do to much damage!!!! not enough fuel will cause over heating prob!!!! but as old mate said if u dont no what ur doing dont touch! a piro gage will help in the tuning it should sit around 450 i think but not 100 percent sure on a n/a
Top
Posts: 502
Joined: Thu Dec 01, 2005 12:09 pm
Location: Cairns

Post by fnqcairns »

There is no black magic surrounding the fuel screw, turn it up too far and EGTs 'can' increase. turn it down too far and car is so slow it's a dog.

No magic bullet for economy from the fuel screw I am afraid but yes you can get better economy from it with a reduction but it will always take the same amount of hp/energy to accelerate the car up any speed and then to keep it there.

Does the car accelerate noticeably better after the service? what was the service?
*JUST LUV IT* 96 GQ LWB TD4.2, Cav, Kings, Dobinsons, Motorguard, Enginesaver, 400 pro, Cooper ST's (rolls eyes), fleetguard oil filters, Delo 400 engine oil, Delo ESI gearbox oil and an RTC.
Top
Posts: 409
Joined: Thu Mar 20, 2008 7:43 am
Location: Aus

Post by macneil »

MUDGUTS83 wrote:being an n/a u carnt do to much damage!!!! not enough fuel will cause over heating prob!!!!
quite wrong there... diesels create more heat with more fuel.. but you can stuff the engine if your not putting enough fuel in any way...
Top
Posts: 206
Joined: Sun Mar 28, 2010 6:49 pm
Location: ipswich

re

Post by gqmudder91 »

hi it was the first service since i got it so it was evcerything oils and filters
gq patrol / mavrick bullbar spotties no mud flaps need money
Top
Posts: 409
Joined: Thu Mar 20, 2008 7:43 am
Location: Aus

Post by macneil »

did you put the pre filter back in what air filter did you use?? start the car get it warm and open the oil filler cap if there is lots of smoke (blowby) the engine isnt in great condition at all
Top
Posts: 1552
Joined: Wed Dec 22, 2004 12:09 pm
Location: im at wello point

Post by bilby »

my guess is the secondries are sticking open , does it root around at low speeds like its got the handbrake half on ?
just a little left of insanity :)
Top
Posts: 206
Joined: Sun Mar 28, 2010 6:49 pm
Location: ipswich

re

Post by gqmudder91 »

ryco the brand of filter is for the air and no smoke out of oil cap and no crap like that either
gq patrol / mavrick bullbar spotties no mud flaps need money
Top
Posts: 138
Joined: Tue Nov 06, 2007 6:39 pm
Location: Noosa

Post by Dominator »

Ryco filters are shit. They leak oil back into ther sump.
Tow Rig - 4.2 Turbo Deisel GQ. 5in coils, 2in body, f&r tube bars, sliders, 35's.

Comp Truck - Sierra, ute chop, G16B, 6.5 xfer, exo cage, 34 JT II's, 3/4 eliptical rear, SPOA, 2in body.
Top
Posts: 2877
Joined: Mon May 10, 2004 9:46 pm
Location: Goodna QLD

Post by ludacris »

If the fuel filter was done did you fit it correctly and bleed the system properly.

Cris
Cris's 4 X 4 Accessories & Suspension 0404 736 325 Rock Sliders From $499
Top
Posts: 206
Joined: Sun Mar 28, 2010 6:49 pm
Location: ipswich

re

Post by gqmudder91 »

yer copyed off the service manual that came with the gregorys i think it is
gq patrol / mavrick bullbar spotties no mud flaps need money
Top
Post Reply

Return to “Nissan”

Who is online

Users browsing this forum: No registered users and 3 guests