Fuel range...wtf
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01ssei
- SLE Member
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- Joined: Sun Feb 26, 2012 9:32 pm
- Year and Trim: 2001 Pontiac Bonneville SSEI
Fuel range...wtf
So from full to gas light it works as what seems "normal" but once it gets down to 60 the gas light comes on as normal but then the range starts to climb? and I'm only averaging 18-19 mpg and I do mostly highway driving...
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01bonneSC
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1997 'maro (3.8L M5)
89 SkiDoo - Location: Sycamore, IL
Re: Fuel range...wtf
How long ago was your last tuneup? Any codes?
00Beast wrote:Less off-topic than Lane's Heated Steering wheel, but yeah, back to the topic.
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01bonneSC
- Certified Bonneville Nut
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1997 'maro (3.8L M5)
89 SkiDoo - Location: Sycamore, IL
Re: Fuel range...wtf
Also is this a calculated 18-19 or going by the instant mpg on the DIC?
00Beast wrote:Less off-topic than Lane's Heated Steering wheel, but yeah, back to the topic.
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nos4blood70
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Re: Fuel range...wtf
The DIC can be very optimistic at times. Mine is routinely off by 1 to 1.5 MPG.
-Car Guy Carl
"Penelope" - 2003 SLE - 250k Miles
"Sydney" - 2000 Honda S2000 - 101k miles
"Penelope" - 2003 SLE - 250k Miles
"Sydney" - 2000 Honda S2000 - 101k miles
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SSEiMan01
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Re: Fuel range...wtf
Mine's usually off, but for the worse usually.
Will
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91 Riviera | S2 L67 Swap/4T60E | 127K mi | Antelope Met. w/ Tan Int. | Saved From Death By Crusher
92 Bonneville SSE | L67/4T60E | 77K mi | Med Slate Grey w/ Two-Tone Grey Int. | Low Miles Time Capsule
92 Lumina Z34 | LQ1/4T60E | 177k mi | Torch Red w/Grey Int. | Rusty In Odd Spots
99 Tahoe LT | L31/4L65E | 276k mi | Spiral Grey Metallic w/Grey Int. | Truck for Truck Things and Portable Concert Hall
02 Bonneville SSEi | 171k mi | Black w/Neutral Int. | Backup and road trip car
03 Park Avenue Ultra | 212K mi | White Diamond Met. w/ Shale Int. | Southern Time Capsule
05 Acura RL | 165K mi | Carbon Grey Pearl w/Ebony Int. | The Super-Hooptie Daily
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LeSabre in Buffalo
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Re: Fuel range...wtf
Definitely a tuneup needed, and throw some good, expensive fuel system cleaner into the tank. You're running premium, right? That SSEi needs premium like a fish needs water. It's a false savings running regular since the engine will not run as well on regular as on premium.
2012 Chevrolet Cruze Eco - Current car
1999 Buick LeSabre Custom - Former car
Learn from the mistakes of others, that way when you mess up you can do so in new and interesting ways.
1999 Buick LeSabre Custom - Former car
Learn from the mistakes of others, that way when you mess up you can do so in new and interesting ways.
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01bonneSC
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1997 'maro (3.8L M5)
89 SkiDoo - Location: Sycamore, IL
Re: Fuel range...wtf
LeSabre in Buffalo wrote:Definitely a tuneup needed, and throw some good, expensive fuel system cleaner into the tank. You're running premium, right? That SSEi needs premium like a fish needs water. It's a false savings running regular since the engine will not run as well on regular as on premium.
00Beast wrote:Less off-topic than Lane's Heated Steering wheel, but yeah, back to the topic.
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00Beast
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Re: Fuel range...wtf
Does your gas gauge move around too? Could be the infamous bad sender in the tank.
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Re: Fuel range...wtf
ALWAYS RUN HIGH OCTANE ON HIGH COMPRESSION/FORCED INDUCTION MOTORS. 93 preferred but 92 works. Not only will it not run as well, if u get into it alot, especially at warmer ambient temps, u run the chance of detonation. Get det bad enough u could be tearing the block apart to replace a burnt/melted piston as well as all the cleanup associated.