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PB -PC Challenger 2009 - 2014 Covering 2.5 HP diesel

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Old 14-01-17
Flatbiskit Flatbiskit is offline
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Default Fuel usage

Hi all, I have been reading a lot of threads and forum's and I can't decide if there is something wrong with my challenger or it is the mods I have made or both, so I am asking the brains trust before I trade it in.

I have a 2013 (MY 14) PC Challenger, auto (I realise this does not help) with the following mods, 2" lift, 32" all terrain tyres, steel bull bar with winch, roof basket with awing, and a rear draw system.

When driving around town I can not get better than 15.6L/100km. When towing my Jayco swan outback, I try to stay at 95 - 100km/h and drive in manual mode and have never had it go in to limp mode, the worst I have done is 25.8L/100km. Average 21L/100km.

The camper is at a guess 1800 - 2000kg (I will weigh it soon) 2 adults and 2 kids and small amount of gear in car and 2 bikes on roof.

I realise it is a heavy set up but others with similar rigs are not using any where the fuel I am. Is this the best I can expect front the Challenger? I have a DP CHIP on the kitchen bench that made more torque but did nothing for fuel consumption, and I'm in the process of having a diesel tunes Australia remap installed to see if this helps.

If some one could shed some light on this I would be very grateful.

TIA

Geoff.
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Old 14-01-17
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cookie9 cookie9 is offline
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mine is similar setup, sans bullbar/winch. We get about 13L/100 around town, 11L/100 freeway and heavy 4wd about 25L/100 (we are talking zika spur, billy goat bluff steepness with full load and 3 people)

I havnt had dealer service for over 18months so no updates or SQL which might help. I've also got EGR resistor mod, but I rekon it makes it slightly thirstier anyway.. I clean my MAF sensor regularly which helps economy.

Will be interested to hear what others experience.
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Old 14-01-17
Flatbiskit Flatbiskit is offline
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Quote:
Originally Posted by cookie9 View Post
mine is similar setup, sans bullbar/winch. We get about 13L/100 around town, 11L/100 freeway and heavy 4wd about 25L/100 (we are talking zika spur, billy goat bluff steepness with full load and 3 people)

I havnt had dealer service for over 18months so no updates or SQL which might help. I've also got EGR resistor mod, but I rekon it makes it slightly thirstier anyway.. I clean my MAF sensor regularly which helps economy.

Will be interested to hear what others experience.
Cookie

That make me feel a bit better lol. I have never cleaned my MAF sensor, I will look into this and have a go, see if it makes a difference.
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Old 14-01-17
Spoonman Spoonman is offline
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Are you taking your figures from the computer display or distance travelled vs fuel used?
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SOLD - 2012 PB Challenger LS Manual|BFG KO2 245/70/17|Opposite Lock Premium Bullbar|Kings Domin8r X Winch|HID Driving Lights|Ultimate Suspension Lift|Safari Snorkel|Bushskinz Intercooler and Sump Guard|Mitsubishi Towbar|Extended Diff Breathers|GME UHF|SPV EGR Mod|Provent Catch Can|Drifta Drawers
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Old 14-01-17
whereswes whereswes is offline
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Quote:
Originally Posted by cookie9 View Post
mine is similar setup, sans bullbar/winch. We get about 13L/100 around town, 11L/100 freeway and heavy 4wd about 25L/100 (we are talking zika spur, billy goat bluff steepness with full load and 3 people)

I havnt had dealer service for over 18months so no updates or SQL which might help. I've also got EGR resistor mod, but I rekon it makes it slightly thirstier anyway.. I clean my MAF sensor regularly which helps economy.

Will be interested to hear what others experience.
Pretty much the same. 12.5 to 13.5 'round town. 11 to 11.5 highway.

Cheers
Wes
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2014 Auto PC Challenger with TJM Bullbar, HID converted IPFs, Uniden UHF, ARB Roof Rack with Kings Awning & LED, Safari Snorkel, Boos Bash Plates, 265-75R16 Copper ST Maxxs, 80AH AGM Battery and Redarc DC-DC to power Waeco. Custom rear drawer system, 1/2 cargo barrier and tilt fridge slide. HR Towbar, Ultimate Suspension, Brown Davis LR tank, Piranha Diff Breathers, 2 1/2" S/S cat back, ScangaugeII, SPV EGR controller, Bushskinz side steps, DPChip

Next mods - Lockup Mate, LED Light Bar
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Old 14-01-17
Flatbiskit Flatbiskit is offline
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Quote:
Originally Posted by Spoonman View Post
Are you taking your figures from the computer display or distance travelled vs fuel used?
That is calculated. Computer shows worse that that most of the time.
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Old 14-01-17
Flatbiskit Flatbiskit is offline
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Quote:
Originally Posted by whereswes View Post
Pretty much the same. 12.5 to 13.5 'round town. 11 to 11.5 highway.

Cheers
Wes
I'd be happy if I could get 13.5 around town. No matter how gentle I drive I can not get that low. If I drive it harder it goes nuts.......
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Old 14-01-17
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Amok Amok is offline
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it'll cost you much more to trade your vehicle than what you spend on fuel!
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Old 14-01-17
pajeromack pajeromack is offline
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To be honest, your fuel economy around town isn't that bad. A lift, basket, bigger tyres and heavy winch bullbar will add a fair bit to any vehicle, especially at higher speeds. Around town your torque converter will be unlocked and drinking fuel. Especially with larger tyres. This can also happen when towing. Might be worthwhile installing a lockup indicator and monitoring it.

Don't forget to correct the distance for larger tyres.

The trip computer is pessimistic and reads about 1L/100km high. Measure at the tank.

For comparison, my unmodified manual challenger (roof racks + bash plates) does about 8.5L/100km on the Bruce highway (100kmh) and generally 9-10L/100km around town.

It'll cost your more to trade in than what you'll spend on fuel. Once you transfer your mods across you might not save that much fuel. If you have your heart set on a different vehicle, I'd go for one with a good quality automatic with better lockup capability and dual fuel tanks.
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Old 14-01-17
Flatbiskit Flatbiskit is offline
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Quote:
Originally Posted by pajeromack View Post
To be honest, your fuel economy around town isn't that bad. A lift, basket, bigger tyres and heavy winch bullbar will add a fair bit to any vehicle, especially at higher speeds. Around town your torque converter will be unlocked and drinking fuel. Especially with larger tyres. This can also happen when towing. Might be worthwhile installing a lockup indicator and monitoring it.

Don't forget to correct the distance for larger tyres.

The trip computer is pessimistic and reads about 1L/100km high. Measure at the tank.

For comparison, my unmodified manual challenger (roof racks + bash plates) does about 8.5L/100km on the Bruce highway (100kmh) and generally 9-10L/100km around town.

It'll cost your more to trade in than what you'll spend on fuel. Once you transfer your mods across you might not save that much fuel. If you have your heart set on a different vehicle, I'd go for one with a good quality automatic with better lockup capability and dual fuel tanks.
Oh yea I agree it will cost me a fortune. I went to a dealer (ford) and got a trade in price on a new Everest Trend, and they offered me $26,000 for it.

One of the vehicles I travel with is an Everest, it tows a 19 foot full size van approx 2.8T and returns 15.4L/100km.

I just did not think the mods I have done would have such a large impact on economy and power.....
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