Car Bogging Between 2500-3500RPM - ISSUE HAS BEEN FIXED!!!!!

**tiksie** · 23-10-2009 03:02 AM

Hi b18cEG,

Yeah I will be getting a TPS tommorow, the thing with the TPS now, on closed throttle it stays on 0.01V - 0.03V, but when I slowly open the throttle from the throttle body (not the TPS) it jumps its way up to 3.29V, as in it jumps around volts and ends up at 3.29V

Will tell you guys how I go tommorow, thanks for the input.

**02gzm** · 23-10-2009 10:24 AM

If voltage is jumping around and there's resistance in the line then either the TPS is dead or there's faulty wiring. Since you said you're getting the correct voltage through the ground and reference wires and you replaced the TPS signal wiring, the ECU would be the next target to look at if the new TPS doesn't work either.

But the "jumping" does just sound like multiple flat spots in a dying TPS

**tiksie** · 23-10-2009 10:45 AM

Yeah I will slowly open the throttle and it will jump around like crazy and when it's WOT it goes to 3.29, but when it's closed throttle I get the 0.01V and at the same time when I turn the TPS it doesn't rise, but when I turn the throttle it does rise, so I can't turn the TPS to get the 0.45V which is needed at closed throttle

It just stays at 0.01V

Yeah I will be getting a known working TPS tonight, will see how that goes, if not, will test another ECU out.

**tiksie** · 23-10-2009 11:19 PM

Okay guys got a update!

Thanks to Ben I got a throttle body with TPS and map sensor on it since he was too lazy to remove the TPS haha.

I put it in, and wadda-ya-know! I'm getting 0.51 closed throttle, and 4.53 wide open throttle, so it's off by 0.03V AFAIK, would this make a big difference ? Or should I just install it like that anyway ?

Thanks for the support guys!

**bennjamin** · 23-10-2009 11:46 PM

The .03 discrepency is neglible and entirely acceptable for a oem used part , chuck it on and test it !

**02gzm** · 24-10-2009 01:15 AM

If it's screwed on you may as well adjust it to get rid of that 0.03 voltage difference. If it's riveted on then it's fine to just leave it

**beeza** · 24-10-2009 10:40 AM

Set it exact Tiksie,you will be suprised the difference it makes!

Follow the DIY,a lot of blood,sweat and tears went into that

Great to hear mate!!

**tiksie** · 24-10-2009 03:00 PM

Everything has been put on and running again, car still bogs but not as much as before, and I got rid of the TPS code so now it's okay.

The only code im getting now is the Code 20 ELD, going by what V73C said, it does make sense that there will be load but won't be detected obviously with no ELD as I don't have a JDM fuse box.

Ok, next thing to do is send my ecu to ECU-MAN and get him to get rid of the Code 20 haha, trial and error!!!

Thanks alot for the input guys.