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BA 6cyl poor fuel consumption 

 

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 Post subject: BA 6cyl poor fuel consumption
Posted: Tue Jun 03, 2008 8:33 pm 
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Posted: Tue Jun 03, 2008 8:35 pm 
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care to elaborate? ie. what mofo fuel consumption you getting atm?

 

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Posted: Wed Jun 04, 2008 10:37 am 
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We need more info buddy!!
But on average i get around 13 to 21 (yes 21) Lt/100km City driving, thats peakhour traffic going no faster than 70km and a average speed of about 30km...

but then on the hwy i get around 7 - 10 Lt/100km

 

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Posted: Wed Jun 04, 2008 11:46 am 
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for you to fix this problem

take the keys out of the car
lock the car
go inside graba beer and turn on some some porn
have a bat at the fat mumma faceplanting a hairy old man

and dont drive the car

 

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Posted: Fri Jun 06, 2008 4:38 am 
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my ba city driving (work and back, or to the missus place) i get approx 450kays a tank. that help any?
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Posted: Fri Jun 06, 2008 9:36 am 
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i had the same problem with a bf tonner only getting 500Ks out of a 80 litre tank that`s 50/50 city highway driving put it on the dyno and plugged in the OBD2 and all the sensors were fine but it had 12:1 AFRs on cruising got a CAPA Flash tune and the AFRs went straight to 14.5:1 under load and 15.5:1 on cruising
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Posted: Fri Jun 06, 2008 6:58 pm 
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O2 sensor may be on the fritz.

 

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Posted: Sat Jun 07, 2008 8:54 am 
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Thanks for the reply guys, I got a BA XR6 with a sports exhaust, headers and high-flow cat. Cold air intake and performance filter.

I have replaced the O2 sensor but it made no difference. If the car is driven slowly the fuel consumption is reasonable. If you give it a boot full you get a cloud of black smoke from the back (not burning oil)
Exhaust tips are black. Average Km per tank full @350 Kms.
One peculiar thing when the car is cold especially in the morning, it has a tendency to bog /sluggish and at times it will back fire from the air intake. (air leak). Once it warms up no issue with the back fire/pre-ignition Plugs have been changed.

Cheers

JM

 

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Posted: Sat Jun 07, 2008 9:59 am 
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Mine varies from 11 to 11.5 driving sensibly around town. Gets up to 12.5 average with the occassional bootfull !

 

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Posted: Sat Jun 07, 2008 1:07 pm 
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Manus1159 wrote:
Thanks for the reply guys, I got a BA XR6 with a sports exhaust, headers and high-flow cat. Cold air intake and performance filter.

I have replaced the O2 sensor but it made no difference. If the car is driven slowly the fuel consumption is reasonable. If you give it a boot full you get a cloud of black smoke from the back (not burning oil)
Exhaust tips are black. Average Km per tank full @350 Kms.
One peculiar thing when the car is cold especially in the morning, it has a tendency to bog /sluggish and at times it will back fire from the air intake. (air leak). Once it warms up no issue with the back fire/pre-ignition Plugs have been changed.

Cheers my ef currently has the same bad black fuely exhaust atm.. just got a ohone call from joe explaing the ECU has s**t itself...

JM

 

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Posted: Sat Jun 07, 2008 5:04 pm 
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I just cleaned the throttle body, added some injector cleaner and gave some of the inlet manifold bolts a slight tweak. I don't think that it will make a dramatic difference but it a start. Some one else I know is getting 12lt/100 on a stock BA, I'm 4Ltr worse.

Cheers
JM

 

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Posted: Sat Jun 07, 2008 5:36 pm 
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don't push your foot down to the floor as often

 

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Posted: Sat Jun 07, 2008 6:15 pm 
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hmm, i get about 450km to a tank with moderate to vigorous driving. that backfiring issue is very strange and I'd guess would have something to do with it. Try resetting the ECU. If that doesnt improve anything, see if ford can plug it in and see what shows up in diagnostics, your answer would most certainly lie there.

 

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Posted: Sat Jun 07, 2008 6:37 pm 
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Hi Smiley !. I have already taken it to Ford to check the system. No fault codes were evident from the diagnostics. I have not reset the ECU

What is the process for doing an ECU reset ?

Thanks
JM

 

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Posted: Mon Jun 09, 2008 2:43 am 
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just have to interrupt power to it. So disconnect the battery for about half an hour, see if that helps.

 

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