[Widowmaker]

Well I see I’ve joined the nefarious tps code group. I’ve been dealing with this for a few months now. I tried removing my original throttle body being careful not to move the butterfly and cleaned it which worked for a week. Then I purchased a rebuilt which worked for a few weeks. I’ve done the throttle pedal reset. When it gets warm (+40 degrees Fahrenheit) the CEL goes away on its own and comes out of LHM. I’ve read it could be the pedal or it could be my ecm or I got a bad throttle body. My DTE (distance to empty) goes nuts and drops 100 miles on a 50 mile trip. I’ve read a lot of posts and nothing really seems to give a clear answer. What should I do now? I’d really like to avoid the dealership as they just go down a list and it costs a ridiculous amount.

 

[Widowmaker]

Can anyone point me in a direction? Electrical? Grounding issue? Dump the car? I really like it but a week after purchasing it’s been a massive problem. 7 months and I’ve spent more than I’ve paid on it.

 

[okcrum]

Car model/year?

 

[Widowmaker]

I feel so dumb....it’s a 2009 9-3 2.0T

 

[Mimmi]

Throttle body failure.

 

[Widowmaker]

I’ve tried multiple throttle bodies all giving the same code. That’s why I’m leaning towards something else.

 

[Mimmi]

Have you checked wires between TB and ECU?

 

[Widowmaker]

I’ll be doing that in a couple hours. Anything else?

 

[Mimmi]

T8 itself.

 

[olbert]

I was getting this code also, during the summer months. Theres a lot written on it. Im not sure if I totally fixed mine. But theres a big harness connection by the battery that everyone on the internet was blaming for the problem. I took the battery and battery box out, then cleaned up all of those connections. I dunno, You can use wd40 , or elec contact cleaner, maybe do a finish spray with deoxit. I also cleaned the ground points from the battery when i was in there too.

heres a link to more info:

P2135 AND P1681 on 2.0t Combination is stumping the mechanic and may be an epidemic

ok, over the past two weeks, we have been dealing with an unknown cause of engine faults p2135 primarily.... throttle position sensor fault... this fault thrown the car into limp home mode, which leaves performance very poor, as some of you have experienced... mechanic has had this fault come...

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