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Gtir Motorsport club » Tech room » Help and Advice » Fuel system

Fuel system

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1Fuel system Empty Fuel system on 12th February 2016, 6:27 pm

johnny gtir

johnny gtir
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moderator
Ain't had much time lately so thought I would ask anyone got any info on fuel senders or what the cluster reads voltage wise etc any info much app. 

Going down the route of digi dash so looking at anything to help with just the fuel side of things

2Fuel system Empty Re: Fuel system on 12th February 2016, 8:50 pm

gtir_woody

gtir_woody
moderator
moderator
Fuel sender ohms is:

5-8 ohms full
92-96 ohms empty

3Fuel system Empty Re: Fuel system on 13th February 2016, 6:05 am

gtir_woody

gtir_woody
moderator
moderator
What about speed signal etc mate?

4Fuel system Empty Re: Fuel system on 13th February 2016, 7:56 am

johnny gtir

johnny gtir
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moderator
Thanks ain't looked in manual but need wires at dash from Ecu and looked into it but read on some I might need to take signal straight from speed sensor. Would I jump in at Ecu for that ?

5Fuel system Empty Re: Fuel system on 13th February 2016, 8:13 am

gtir_woody

gtir_woody
moderator
moderator
Id go straight from the speed sensor mate.

Now from info ive been given previously the speed sensor is 8000ppm but ive also checked a gtir plug in haltech map and the speed sensor is configured as 1225 pulses/km.

Not sure if any of this helps you but its info to reference later Smile

6Fuel system Empty Re: Fuel system on 13th February 2016, 9:34 am

splmum

splmum
And on the front of the dials, you need to take them out of the dash to read, there is a pulse figure printed there as well. Don't remember off the top of my head what it is.

7Fuel system Empty Re: Fuel system on 13th February 2016, 9:54 am

gtir_woody

gtir_woody
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moderator
Really? where exactly do you mean Gaz? never knew that

8Fuel system Empty Re: Fuel system on 14th February 2016, 8:09 am

johnny gtir

johnny gtir
moderator
moderator
Thanks lads. What the sensor itself ? Can I just jump into sensor wires near Ecu ?

9Fuel system Empty Re: Fuel system on 14th February 2016, 10:10 am

splmum

splmum
@gtir_woody wrote:Really? where exactly do you mean Gaz? never knew that

Take the clear plastic cover off, and its on the bottom left corner of the speedo (60kph = 637rpm)
http://www.gtiroz.net/gallery/misc/mods/gauges/album73/aab

it does say rpm so not sure if this is converted or what

10Fuel system Empty Re: Fuel system on 14th February 2016, 8:23 pm

gtir_woody

gtir_woody
moderator
moderator
Interesting I wonder if that's means 637rpm of the speed sensor, the needle is at 60kph. However it's the pulse rate that an aftermarket dash unit would require to correctly interpret the signal from the speed sensor I think.

11Fuel system Empty Re: Fuel system on 14th February 2016, 8:42 pm

johnny gtir

johnny gtir
moderator
moderator
Caused by size and teeth on sensor by looks of it

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