Hey guys hope all is going well got a question for you. I just recently rebuilt my injection pump and come to find out my tps is bad but I'm trying to find one online and cant find one anywhere the ones that pop up for my truck are not the one I took off any help or a nudge in the right direction would be great and appreciated.
Tps throttle position sensor 91 safari 4.2 diesel
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Pic of the tps that i need
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That’s a TPS for an auto trans. Not easy to find except new from Nissan.
You can mount a different TPS elsewhere if you’re handy with tools.
How did you determine it was bad? If it gives no reading at all, it might simply be an adjustment since you put the pump back together.
Basic starting point is with the nylon spacer slot at 90 degrees to the pump axis.
Do you have a pic of the throttle shaft without the TPS in place?
You can mount a different TPS elsewhere if you’re handy with tools.
How did you determine it was bad? If it gives no reading at all, it might simply be an adjustment since you put the pump back together.
Basic starting point is with the nylon spacer slot at 90 degrees to the pump axis.
Do you have a pic of the throttle shaft without the TPS in place?
Yea i will grab a picture tomorrow in the day time but I had it reset in the right spot to start out with and the truck wouldent shift down under acceleration and would be at 40 khm and be in lockout with no revs over 2k rpm. Then id try to advance it and adjust any which way and it did nothing so i unplugged the tps and the truck is shifting when it should be and i have power back so pretty sure thats the issue. One of the other post said thats what it was thats how i got this far haha
Ok thanks i will try that in the morning any idea which wire should be showing the idle voltage? ?
It will be one of the centre wires in the 6 wire plug. One of the outside wires will have approx 5v with ign on, the wire next to it will be the signal.
If no wire has 5v that will likely be your issue.
They are easier to test when not fixed in place. They’re not spring loaded like many throttle body TPS.
Once you get the adjustment more or less right, it gives you an idea of how to set the nylon spacer that has the slot in it.
If no wire has 5v that will likely be your issue.
They are easier to test when not fixed in place. They’re not spring loaded like many throttle body TPS.
Once you get the adjustment more or less right, it gives you an idea of how to set the nylon spacer that has the slot in it.
Ok so went and tested the tps I'm getting my 5v and the middle one next to it I can make it drop to anything less then 2.5 then it just goes dead into a ground sound on my tester no matter how easily I ry t o ust it it wont read less then that it will max out at 5v if you turn it up but wont go low enough and i checked my tester and would read a .4 on another wire so i know its working right so what does that mean its done for?? And i put up a picture of the spot on the injection pump where it mounts to the tps
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You've pretty much confirmed it's faulty. Your nylon spacer in the pic looks about right for the inline TPS mounting. Pumps with the aneroid have them mounted at 90 degrees.
If you have no luck finding one, take a look in my conversion thread and you'll see some pics of how I mounted a ZD30 TPS on the accelerator pedal. I've since put one back on the pump for ease of adjustment.
If you have no luck finding one, take a look in my conversion thread and you'll see some pics of how I mounted a ZD30 TPS on the accelerator pedal. I've since put one back on the pump for ease of adjustment.
Here ya go
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Thx for your help john hopefully I can find one or have some one on here get one for me and get it shipped to me
Yes John I bought TPS for TD42T(24Vmodel) few years ago it cost about 200AUD then.
I'm guessing this is the plate you're speaking of....it's the only one i see in the engine bay area
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Thx again bud I've found a few more charts and stuff about these tps but nothing gives me a option to purchase if i cant find anything for it this week would one of you be able to pirchase one for me and ship it to me?? If i pay for everything and some for your time??
Ok bud sounds good will let you know after if I dont find one by then thx
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