hey, i am new here. i have had a problem with my iroc for sometime now. i have a 1988 iroc-z 5.0 tpi. i can start it up and it will run fime for a while then out of know where the idle will become all screwy. it will drop down in rpms it will stumble , and if i dont keep my foot on the gas it will die , i have some tears in the tps, and i cant figure out how to fix them help me. i am getting a tps code. the tears are right by the sensor itself

 

i take it by "tears" you mean the wiring going to the TPS is damaged.

you can get a replacement harness, it comes with about 10 or so inches of wire & a new connector all put together.
you cut the old harness off & put the new one on.

go slow & do 1 wire at a time making sure you connect each wire back up in the proper place on the new harness.

 

I took "tears" as the flexible boot was ripped.Funny how it's read differently by different eyes.

Anyway if it's the boot then "false air" is being introduced and that may be the casue of the problem too, after all it is a MAF TPI system. And it may manifest when the car goes into closed loop.

 

W72, your right, i didn't look at what car he has
if i had, then i would have asked if he meant the air boot, & if so to replace the air boot, because he is getting false air because of the tears in it & that can cause problems like he is having.
im glad you caught that

but i read "tears in the tps" & was thinking wiring, its been a long week, i just spent 2 days under the hood of a 96 ford working on the wiring harness.

 

yes i do mean the wireing sorry for not explaining it well. hehe im at school right now. oh well how much is the replacement and is it hard to get to and replace? tHANKS

 

no problem

i believe a new TPS pigtail is about $15.00 or so.
it should come with 3 crimp connectors.
the best way to put it on is to use solder & heat shrink tubing, but the crimp connectors work just fine too.
just cut the old one off strip about 3/8 of an inch of insulation off the wire & put the crimp connector on.
like i said before, go slow & do 1 wire at a time making sure you put them on right.

you should be able to find it at most auto parts, im not sure if places like autozone has them or if they even know what they are. you can also get it from your local GM dealer.

 

ok i am going to be replacing the thing that plugs into the sensor right.