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power to tps 

 

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 Post subject: power to tps
Posted: Sun Jan 12, 2014 9:32 am 
Oompa Loompa
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Age: 35

Posts: 43

Joined: 28th Oct 2013

Ride: 1978 xc gxl falon

Location: ipswich
QLD, Australia

Hi just wandering how many power wires should be at the tps throttle position sensor,, is it 1 or 2?? Any advice would be very helpful
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 Post subject: Re: power to tps
Posted: Sun Jan 12, 2014 9:39 am 
Moderator
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Posts: 14513

Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

one 5v power wire..
there are 3 wires to tps ,1 is 5v from ecu 1 is signal ground and 1 is signal return.
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 Post subject: Re: power to tps
Posted: Sun Jan 12, 2014 9:44 am 
Oompa Loompa
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Age: 35

Posts: 43

Joined: 28th Oct 2013

Ride: 1978 xc gxl falon

Location: ipswich
QLD, Australia

Good1,,, is there any way to test for signal. Return without a voltmeter??
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 Post subject: Re: power to tps
Posted: Sun Jan 12, 2014 9:48 am 
Moderator
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Posts: 14513

Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

not really.. the signal return should be between .7v-1v with closed throttle and around 3.7-4.7v full throttle
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 Post subject: Re: power to tps
Posted: Sun Jan 12, 2014 9:51 am 
Oompa Loompa
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Age: 35

Posts: 43

Joined: 28th Oct 2013

Ride: 1978 xc gxl falon

Location: ipswich
QLD, Australia

Thought so,, would the tps cause idle trouble,, and missfire when u rev it,, its like the timing is out.. I put a brand new dizzy in to try and fix it but no go,lol,, it seems to be getting heaps of fuel now and then
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