TPS ?'s

[riceater89-5.0]

ive seen people talking about adjusting there TPS between .95 and .97, but i dont know how u people are checking it! are u checking it at the harness plugin? do u check the orange and black wires? i tried to check mine everywhere i thought i could get a reading, and nothing!! so what gives ('89-5.0)

 

[RacEoHolic330]

You need to make a little slit in the green wire going to the TPS and with a test light stick the + terminal in the slit and the - on an engine ground somewhere and you'll get your reading.

 

[Js5ohLX]

You need to make a little slit in the green wire going to the TPS and with a test light stick the + terminal in the slit and the - on an engine ground somewhere and you'll get your reading.

You mean volt meter right? last time I checked test lights don't have a voltage reading, unless you can tell by how dim the light is? (just givin ya some $hit) lol

 

[The Shape]

I use a couple of straight pins. I stick one in each wire and use aligator clips to attatch my meter's probes to the pins.

 

[Michael Yount]

Check the voltage between the green and black wires on the tps plug. However, it's a myth that "adjusting" it accomplishes much of anything. The computer on your 89 samples the tps voltage each time you start the car, and establishes the reading it gets with the throttle closed at start up as your idle tps voltage setting. As long as it's between about 1.3V and .8V - it will work fine; and changing it won't accomplish anything. So unless you're replacing it, don't bother with it.

 

[The Shape]

I have wondered about that Michael, I have adjusted mine like I said in my post above. But last summer when my TPS died on me, I just put the new one on in the parts store parking lot and it runs fine. I have never checked or adjusted the new one. I do electronic repair work for a living so I spend all day using a multi-meter. I know for a fact that even top of the line multi-meters (we use fluke meters) have a tolerance level of plus or minus a few milivolts. So if you were to set your TPS to .98 and you then measured it with another meter it might read 1.01 volts. I do see where you could use an analog meter to check that your TPS is working properly by making sure the sweep is smooth though.

 

[riceater89-5.0]

hey ummm.... can u say, like, maybe keep your car from starting by screwing with the wires?

 

[Michael Yount]

There's lots of wires under the hood - which ones have been screwed with?

 

[riceater89-5.0]

nevr mind, fixed it, bought a new sensor, presiate it any way!!

 

[mooktank]

did you get that memo about the TPS reports?

 

[stock88]

No, but Lumberg wants you to work today!