Need Help!!!!!!!!! - Aussie V8 | Holden - Ford

308holdenhottie · 21-08-2006, 01:07 PM

i not long got my self a vr commie, it run like a bucket of crap so we put a new motor, its a stock 3.8ltr. Now its really pricey on petrol, can anyone help me out on reasons why it could be chewing petrol?

WBTUNNA · 21-08-2006, 01:48 PM

coz you put the foot down more?

or maybe because petrol prices keep going up n up n up?

But in all seriousness the new motor would use less petrol than a clagged out tired motor by far

308holdenhottie · 21-08-2006, 01:58 PM

being seriouse, its a shocker on fuel, my brothers vr runs on a 4th of what mine does. And its not the way i drive, i always have my newborn in the car so i take it real easy where my bro hammers his!

WBTUNNA · 21-08-2006, 02:09 PM

get it tuned

308holdenhottie · 21-08-2006, 02:13 PM

all that was done!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

WBTUNNA · 21-08-2006, 02:25 PM

without posting fuel figures or something no one is going to be able to help you, unless there is something noteable in the way it drives, ie like shit or fuel smoke

V8ME · 21-08-2006, 06:07 PM

check the cat converter, exhaust, O2 sensor, injectors, leads, plugs, air filter, vacume lines. mate theres tons of things that could be causing it,

It could even be a fuel leak somewhere, from when you changed the motor,

Oldman · 21-08-2006, 10:24 PM

first off do a milage check fill tank right uo put trip meter back to 0 drive around till only about 1/4 tank left divide k's by number lts should come out at about 10km per lt around town this will tell you what your econ is realy like

VS_HSV_Clubsport · 22-08-2006, 08:24 PM

how much k's u get out of ur tank?

Woodsy · 22-08-2006, 08:58 PM

My initial thought would be to check for fuel leaks. Check the tank, the fuel lines, filter and around the injector rails. If (at road speeds) the pressure build up is forcing fuel out somewhere inside your engine bay you could be driving a timebomb.

Second though would be to get your entire intake/exhaust system checked. Any blockage could result in your PCM trying to do things it isn't supposed to do (like pour fuel in to correct a lean AFR). Also, check your O2 sensor/s while your at it.

Failing that, I'd think you need to get your tune looked at. You say the car was tuned, but how good was the guy that did it? Not too good I suspect if he didn't notice that your V6 is using 4 times as much fuel as a normal one.

Fooksy · 24-08-2006, 11:51 AM

I'm puttin my money on your transmission. Go get it checked out before you spend anymore

prince_dj666 · 24-08-2006, 12:12 PM

my vn currently does 350kms to a tank. used to get 450-470kms before...

308holdenhottie · 26-08-2006, 07:56 PM

Thanks guys. at the moment i got just on 50kms on just over quarter of a tank. but my uncle has it at the moment and is giving it a thorough check. thank you all so much.
But i have to say once its fixed im getting rid of it n going back to a trusty classic

thanks again

wigga · 05-09-2006, 11:33 PM

02 sensor.

VR_STEALTH · 06-09-2006, 06:31 AM

Im tipping O2 sensor also.....

21-08-2006, 01:07 PM	#1 (permalink)
308holdenhottie Newbie Trade Rating: (0) Join Date: Aug 2006 Location: Ipswich Ride: Vr Commodore Posts: 5	Need Help!!!!!!!!! i not long got my self a vr commie, it run like a bucket of crap so we put a new motor, its a stock 3.8ltr. Now its really pricey on petrol, can anyone help me out on reasons why it could be chewing petrol?

21-08-2006, 01:48 PM	#2 (permalink)
WBTUNNA Got stroke? Trade Rating: (0) Join Date: Mar 2005 Location: PERTH WA Ride: WB One Tonner; VZ SV8 Posts: 709	coz you put the foot down more? or maybe because petrol prices keep going up n up n up? But in all seriousness the new motor would use less petrol than a clagged out tired motor by far __________________ *Some say I have a bad attitude... Those people are stupid*

21-08-2006, 02:09 PM	#4 (permalink)
WBTUNNA Got stroke? Trade Rating: (0) Join Date: Mar 2005 Location: PERTH WA Ride: WB One Tonner; VZ SV8 Posts: 709	get it tuned __________________ *Some say I have a bad attitude... Those people are stupid*

21-08-2006, 02:25 PM	#6 (permalink)
WBTUNNA Got stroke? Trade Rating: (0) Join Date: Mar 2005 Location: PERTH WA Ride: WB One Tonner; VZ SV8 Posts: 709	without posting fuel figures or something no one is going to be able to help you, unless there is something noteable in the way it drives, ie like shit or fuel smoke __________________ *Some say I have a bad attitude... Those people are stupid*

22-08-2006, 08:58 PM	#10 (permalink)
Woodsy D.I.L.L.I.G.A.F? Trade Rating: (0) Join Date: Jan 2006 Location: Mackay Ride: 82 VH SL/E Posts: 1,045	My initial thought would be to check for fuel leaks. Check the tank, the fuel lines, filter and around the injector rails. If (at road speeds) the pressure build up is forcing fuel out somewhere inside your engine bay you could be driving a timebomb. Second though would be to get your entire intake/exhaust system checked. Any blockage could result in your PCM trying to do things it isn't supposed to do (like pour fuel in to correct a lean AFR). Also, check your O2 sensor/s while your at it. Failing that, I'd think you need to get your tune looked at. You say the car was tuned, but how good was the guy that did it? Not too good I suspect if he didn't notice that your V6 is using 4 times as much fuel as a normal one. __________________ Stock stroke 308 in full weight 1982 VH SL/E = 13.019 @ 106.68MPH Thomas Oliver Woods 16/05/40 - 20/08/07 You will always be with me Dad

21-08-2006, 01:58 PM	#3 (permalink)
308holdenhottie Newbie Trade Rating: (0) Join Date: Aug 2006 Location: Ipswich Ride: Vr Commodore Posts: 5	being seriouse, its a shocker on fuel, my brothers vr runs on a 4th of what mine does. And its not the way i drive, i always have my newborn in the car so i take it real easy where my bro hammers his!

21-08-2006, 02:13 PM	#5 (permalink)
308holdenhottie Newbie Trade Rating: (0) Join Date: Aug 2006 Location: Ipswich Ride: Vr Commodore Posts: 5	all that was done!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

21-08-2006, 06:07 PM	#7 (permalink)
V8ME Casual Smoker Trade Rating: (0) Join Date: Jun 2006 Location: S.A. Ride: VP 5L Calais / HQ V8 4 speed Posts: 630	check the cat converter, exhaust, O2 sensor, injectors, leads, plugs, air filter, vacume lines. mate theres tons of things that could be causing it, It could even be a fuel leak somewhere, from when you changed the motor,

21-08-2006, 10:24 PM	#8 (permalink)
Oldman Do you ever leave? Trade Rating: (0) Join Date: Jun 2006 Location: Perth Ride: VLCommodore Posts: 2,245	first off do a milage check fill tank right uo put trip meter back to 0 drive around till only about 1/4 tank left divide k's by number lts should come out at about 10km per lt around town this will tell you what your econ is realy like

22-08-2006, 08:24 PM	#9 (permalink)
VS_HSV_Clubsport casual poster Trade Rating: (0) Join Date: Jul 2006 Location: Melbourne Ride: VS Acclaim Posts: 96	how much k's u get out of ur tank?

24-08-2006, 11:51 AM	#11 (permalink)
Fooksy Deliciously Ugly Trade Rating: (0) Join Date: Aug 2004 Location: Hervey Bay, QLD Ride: VN Calais Posts: 2,802	I'm puttin my money on your transmission. Go get it checked out before you spend anymore __________________ Smells like dandruff.....

24-08-2006, 12:12 PM	#12 (permalink)
prince_dj666 casual poster Trade Rating: (0) Join Date: Dec 2005 Location: Townsville Ride: A car Posts: 76	my vn currently does 350kms to a tank. used to get 450-470kms before...

26-08-2006, 07:56 PM	#13 (permalink)
308holdenhottie Newbie Trade Rating: (0) Join Date: Aug 2006 Location: Ipswich Ride: Vr Commodore Posts: 5	Thanks guys. at the moment i got just on 50kms on just over quarter of a tank. but my uncle has it at the moment and is giving it a thorough check. thank you all so much. But i have to say once its fixed im getting rid of it n going back to a trusty classic thanks again

05-09-2006, 11:33 PM	#14 (permalink)
wigga casual poster Trade Rating: (0) Join Date: Jun 2005 Location: Perth WA Ride: ED Falcon Posts: 69	02 sensor. __________________ ED FALCON. 6cyl 14.8@91mph. http://www.cardomain.com/ride/893950/

06-09-2006, 06:31 AM	#15 (permalink)
VR_STEALTH Newbie Trade Rating: (0) Join Date: Sep 2006 Location: Melb, VIC Ride: VR Posts: 22	Im tipping O2 sensor also..... __________________ Do not follow where the path may lead. Go instead where there is no path and leave a trail.

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