360 Can't fill the 360 tank to the max - Ferrari Life
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post #1 of 27 Old 03-19-2014, 08:47 AM Thread Starter
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Can't fill the 360 tank to the max

Hi all, not long ago I read there was an issue on the 360's which prevents the tank from being filled to the max. Unfortunately I only skimmed it and can't remember the details. As luck would have it, I went to do my first full fill up the other day and this problem occurred, allowing me only 3/4 of a tank.

So after unsuccessfully searching for the thread about this issue again, I was hoping someone can point me in the right direction to understand the issue and the solution.

Cheers
Michael

Current Fcars: 360 Modena
Gone but not forgotten: 360 Spider, 575M, F430.
Other stuff: '71 Holden GTS Monaro, '80 BMW Alpina B9, '74 Porsche Targa, Caterham, MB CL500, Land Rover Discovery.
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post #2 of 27 Old 03-19-2014, 08:59 AM
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The tank is probably full but the gauge isn't reflecting that. Ferrari built those cars for 3 or 4 years before they finally came up with a fuel gauge sender that would actually read full. Some cars got them replaced under warranty, many did not.
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post #3 of 27 Old 03-19-2014, 10:30 AM
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Michael,
Is the fuel pump "clicking" to indicate that the petrol level has reached full?
Can you dip the tank to see if it is actually full?

Ferrari's: 360 Modena, 550 Maranello
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post #4 of 27 Old 03-19-2014, 10:55 AM
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Quote:
Originally Posted by Fiorano View Post
Michael,
Is the fuel pump "clicking" to indicate that the petrol level has reached full?
Can you dip the tank to see if it is actually full?
With equally sized tanks located behind each seat - how would one 'dip the tank'?

OP - we have the same issue and track mileage to gauge how many gallons we should add. Some pumps shutoff more frequently than others when not full. Careful, easy to overfill if you assume the gauge is correct. FWIW we get 13.3mpg with good variance of speed and traffic and never let the tanks get below 1/4 regardless of the gauge. Our gauge behavior is good at fill but drops quickly after 16gl are consumed.

Ferrari: 2001 360 Modena Coupe
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post #5 of 27 Old 03-19-2014, 11:56 AM
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Quote:
Originally Posted by BluNart View Post
With equally sized tanks located behind each seat - how would one 'dip the tank'?
Clearly demonstrates the depth of my technical knowledge.

Ferrari's: 360 Modena, 550 Maranello
Ex's: Dino 308 GT4, 612 Scaglietti
The Rest: Rolls Royce Silver Shadow, Porsche 911 2.7s, Porsche 911 3.2 Carerra, Ducati 916... and the Land Rovers
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post #6 of 27 Old 03-19-2014, 12:01 PM
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Barry, rest assured, deeper than me !

w/ smiles
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post #7 of 27 Old 03-19-2014, 12:30 PM
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Quote:
Originally Posted by Fiorano View Post
Clearly demonstrates the depth of my technical knowledge.
My apology if my question may have come across strong. I asked as I've attempted on two occasions to get a "full" tank and well, it's a good thing smoking and cell phone use is prohibited while pumping. The fuel gauge takes 10min or so to show all bars green - hence the mileage & gallons tracking approach.

I do enjoy the gas station experience so all is good with this approach. The questions and unsolicited comments are truly priceless and welcomed.

Ferrari: 2001 360 Modena Coupe
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post #8 of 27 Old 03-19-2014, 03:29 PM
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Quote:
Originally Posted by BluNart View Post
My apology if my question may have come across strong.
No offence whatsoever taken.

Ferrari's: 360 Modena, 550 Maranello
Ex's: Dino 308 GT4, 612 Scaglietti
The Rest: Rolls Royce Silver Shadow, Porsche 911 2.7s, Porsche 911 3.2 Carerra, Ducati 916... and the Land Rovers
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post #9 of 27 Old 03-19-2014, 03:29 PM
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Quote:
Originally Posted by Jimmy Chen Shiba DDS View Post
Barry, rest assured, deeper than me !

w/ smiles
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Jimmy
I could give you a good run for your money in the ignorance stakes.....

Ferrari's: 360 Modena, 550 Maranello
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post #10 of 27 Old 03-19-2014, 05:04 PM
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Barry, you do not know me enough to utter that statement !

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post #11 of 27 Old 03-19-2014, 05:47 PM Thread Starter
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Thanks for your comments guys, but I know I have read about the issue and a fix recently......I just can't locate where.

When filling at about 50litres in the pump began to click off as though the fuel level was at top, but I was able to add another 8-10 litres before getting bored with the pump continually clicks off. The gauge was 2 bars from full and didn't change except to go down in line with mileage.

I'm still to collect all the books etc for the car so am not sure of the 360 spider capacity but assume it is 70litres or more?

Cheers
Michael

Current Fcars: 360 Modena
Gone but not forgotten: 360 Spider, 575M, F430.
Other stuff: '71 Holden GTS Monaro, '80 BMW Alpina B9, '74 Porsche Targa, Caterham, MB CL500, Land Rover Discovery.
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post #12 of 27 Old 03-19-2014, 06:22 PM
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Michael- you can download an owners manual for free from ferraridatabase.com. You will want one on your smart phone and PC, at any rate.

Taz
Terry Phillips

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post #13 of 27 Old 03-19-2014, 07:12 PM
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Quote:
Originally Posted by 575er View Post
Thanks for your comments guys, but I know I have read about the issue and a fix recently......I just can't locate where.

When filling at about 50litres in the pump began to click off as though the fuel level was at top, but I was able to add another 8-10 litres before getting bored with the pump continually clicks off. The gauge was 2 bars from full and didn't change except to go down in line with mileage.

I'm still to collect all the books etc for the car so am not sure of the 360 spider capacity but assume it is 70litres or more?

Cheers
Michael
Capacity is 13.5gl/tank giving you an estimated 27gl total. I think it's the pump nozzles that have different vapor recovery systems causing the issue. Shell & Mobil in the region here seem to work OK; one particular Sunoco station I couldn't get to work at all without it constantly shutting off - trying three different pumps at the station.

I don't top off our C5 Vette as I was once told the system needs room for expansion. I try to do the same with the 360 but aren't sure if the same rules apply for expansion.

Ferrari: 2001 360 Modena Coupe
Other: 2004 C5 Coupe
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post #14 of 27 Old 03-20-2014, 03:27 AM
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Quote:
Originally Posted by Jimmy Chen Shiba DDS View Post

Barry, you do not know me enough to utter that statement !

w/ smiles
Jimmy
Which in itself shows my ignorance Jimmy
(sorry michael for derailing your thread!)

Ferrari's: 360 Modena, 550 Maranello
Ex's: Dino 308 GT4, 612 Scaglietti
The Rest: Rolls Royce Silver Shadow, Porsche 911 2.7s, Porsche 911 3.2 Carerra, Ducati 916... and the Land Rovers
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post #15 of 27 Old 03-20-2014, 04:03 AM
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There are two possible issues here:

1) You are are filling the tank up but the fuel guage doesn't show full (faulty sender as noted above)

2) You can't actaully fill the tank up.

The latter happened to me on my white spider - it turned out to be the charcoal cannister. More info here.
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post #16 of 27 Old 03-20-2014, 05:01 AM
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Quote:
Originally Posted by voicey View Post
There are two possible issues here:

1) You are are filling the tank up but the fuel guage doesn't show full (faulty sender as noted above)

2) You can't actaully fill the tank up.

The latter happened to me on my white spider - it turned out to be the charcoal cannister. More info here.
Voicey, you continue to amaze us 360 owners with your knowledge base. Are you dismantling your 430 as I type to see how they differ

I definitely have symptoms of #1 and know several other 360 owners with the same pattern. Brian covered that and I have to assume with no documentation showing a gauge change we have the 1st gen part.

Your detailed article is intriguing to watch and test come Spring (wait, it is Spring, why is there 2ft of snow outside!). Excellent writeup, I don't recall seeing that canister on that side. Can't wait to get a look, thank you for the education.

Ferrari: 2001 360 Modena Coupe
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post #17 of 27 Old 03-20-2014, 05:02 AM Thread Starter
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Quote:
Originally Posted by voicey View Post
There are two possible issues here:

1) You are are filling the tank up but the fuel guage doesn't show full (faulty sender as noted above)

2) You can't actaully fill the tank up.

The latter happened to me on my white spider - it turned out to be the charcoal cannister. More info here.
Hi Aldous, I think it must have been a link to your site that I was reading alright.

You're right it is either a faulty sender as Brian suggested or the canister as you describe. My assumption is it isn't a faulty sender as I was able to keep filling, however frustrating, with no fuel overflow. If the tank was actually full eventually you'd get fuel right to the filler opening I guess.

It sounds more like a faulty canister as you describe.

But of course that is just my assumption, So what's the best way to determine which one is the cause of the problem and what are the solutions? Is it a simple (possibly costly) part replacement issue?

Cheers
Michael

Current Fcars: 360 Modena
Gone but not forgotten: 360 Spider, 575M, F430.
Other stuff: '71 Holden GTS Monaro, '80 BMW Alpina B9, '74 Porsche Targa, Caterham, MB CL500, Land Rover Discovery.
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post #18 of 27 Old 03-20-2014, 08:47 AM
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I would pull the canister and take a look. As soon as I took mine out of the car a load of charcoal split on the floor so I knew it was faulty.
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post #19 of 27 Old 03-20-2014, 09:41 AM
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I would pull the canister and take a look. As soon as I took mine out of the car a load of charcoal split on the floor so I knew it was faulty.
Is the process as simple as pulling out and swapping or is there some caution needed being fuel vapor purposed? You're always very detailed and would have documented any steps but asking just in case.

Assume the coupe and spider systems are the same?

Ferrari: 2001 360 Modena Coupe
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post #20 of 27 Old 03-21-2014, 03:44 AM
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Quote:
Originally Posted by BluNart View Post
Is the process as simple as pulling out and swapping or is there some caution needed being fuel vapor purposed? You're always very detailed and would have documented any steps but asking just in case.

Assume the coupe and spider systems are the same?
There are slight differences between the different territories but I believe the coupe and spider are the same.

You should just exercise the same caution you would when handling any part of the fuel system so no naked flames, cold engine, well ventilated etc.
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