F430 Gas bar not working? - Ferrari Life
 
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post #1 of 12 Old 04-24-2013, 07:47 PM Thread Starter
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Gas bar not working?

So I put full gas in her last night and I have been driving about 50 miles or more today and I look at my gas meter and it is still full. Now I am thinking that by now I should of been close to half a tank left but it is still showing a full tank? Something with the gas meter sensor or some sort acting up?
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post #2 of 12 Old 04-24-2013, 09:52 PM
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Sounds like the sensor is out. Do you have a scanner? If you do, plug it in and take a look.
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post #3 of 12 Old 04-24-2013, 10:50 PM
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The first 50 miles or so will still display all bars on my car unless I drive her really hard. The fuel level indicator is a bit optimistic on the F430 when tanks are full but will start decreasing faster after the first 60/70 miles.
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post #4 of 12 Old 04-25-2013, 07:26 AM Thread Starter
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The bar has not moved at all, it still remains at full. I am pretty sure I have driven it more than 50 miles. I noticed how quickly it goes down when had it close to full the last time. So I would of suspect it to go down by now., at least 1 or 2 bars. Been reading about this and it could be a bad fuel sending unit?
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post #5 of 12 Old 04-25-2013, 07:42 AM
 
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I've hit this once, everything resume normal after I refill full tank again, seems like something get stuck last time, I don't know
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post #6 of 12 Old 04-25-2013, 07:51 AM Thread Starter
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I will refuel again and see if the unit is reading correctly. If not, might have to replace the whole fuel sending unit.
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post #7 of 12 Old 04-25-2013, 11:35 AM Thread Starter
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So it went down to two bars without refueling. At this point, is the reading accurate? I would assume the gas mileage is not great on these V8s.
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post #8 of 12 Old 04-25-2013, 12:23 PM
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Affirmative, mileage sucks, no matter which of the modern Ferraris you drive. I calculated it once on mine and vowed never to do it again.

Sounds like she works like a lot of modern cars. Full for quite a while and then a rapid descent to a large reserve so you do not run her out of fuel.

Taz
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Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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post #9 of 12 Old 04-25-2013, 06:44 PM
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Had a similar issue with my C5 Corvette. I was told to put a bottle of Chevron Gas Additive with TECHRON in the tank. Fixed the gauge/sensor problem immediately!

Make sure it is the fuel additive with TECHRON.....there are two Chevron products. Fixed the sensor in my fuel tank. I was told some type of carbon can build up on the sensor and this additive removes it. All Chevron pump gas has this additive in it. Chevron is now the only gas I put in my C5, C6, NSX and 360.

Try this before messing with anything else. Might be a fix for $12.00.
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post #10 of 12 Old 04-25-2013, 06:48 PM
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Rob- Funny you should mention that, but Autozone has a 2 for 1 sale going on now on Techron concentrate and I bought 4 bottles today. Cured my rough start problem a couple of years ago and no reason it will not help on any other dirt related gasoline problem. Sale lasts through Monday, I believe.

Taz
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Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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post #11 of 12 Old 04-25-2013, 06:57 PM
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To all:

Taz has helped me withmy 360 since the day I bought it. Everything...everything...he has told me has rang true. He has helped me on a variety of issues and was dead on each and every time!

If Taz uses Chevron Fuel Additive with TECHRON, my advice is everyone should be using it!

Rob
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post #12 of 12 Old 04-25-2013, 08:58 PM
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Rob- That is probably overkill, but it did fix my start problem. We had always used Chevron fuel with Techron, but they closed a lot of the local stations, so we started using Smiths stations. Adding Techron periodically seemed like a good idea. I just did not realize how good an idea. Redline has a similar concentrate they sell that works well, too.

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Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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