tps

  1. M

    3fe TPS adjustment and idle help please

    Hello everyone, after looking around my engine bay I noticed the bottom screw of my tps was missing, And the top one was tightened down causing it to kind of lever outwards. So I tried to adjust it using a digital multimeter set to ohms. I used a 0.93 mm feeler gauge between the throttle stop...
  2. M

    1991 FJ80 3FE TPS Readings, Troubleshooting

    Got a 41 code the other day on my '91 along with rough running/loss of power followed by sudden return of power. Pulled TB to clean (fair amount of carbon build up), and TPS to test. Set up TPS according to manual (was about a hair off at 0.93mm between IDL-E2 - set, tightened screws, and...
  3. thomasedwa

    Changing IAC O-Ring and adjusting the TPS Sensor without a multimeter

    Had a light rough idle on my 1993 80 series took it to a mechanic and he narrowed it down to the IAC, specifically the O-Ring. He recommended that I fix the issue myself by ordering the part. He also recommended me to change the TPS sensor on my car because the one that came with it was not OEM...
  4. Chachi254

    1FZ-FE Cranks but won’t turn over without starter fluid, then drives fine.

    Hey mudders, Having what I believe is a throttle position sensor issue, but I’m not sure... Here’s what’s going on: My car started and was running fine per usual, then I hopped on the interstate and floored it hard until I reached about 85mph. I turned off of the interstate and floored it...
  5. P

    Poor acceleration

    1997 FZJ 80 145k miles About 1 month ago I cleaned my MAF sensor because I had an intermittent miss at idle and around 1800 RPM while driving. Everything was fine for a day, until the miss came back along with code po120. The 80 also began to accelerate poorly when cold. After it warmed up, the...
  6. B

    Buying TPS. Toyota genuine OEM or Denso?

    Hey Guys, Been having the same code come back after a few weeks and loosing throttle. Anyway I'm getting ready to get the part but trying to decide if I should go Toyota genuine OEM or Denso. I know Denso made the original but if this sensor is a problem does that mean buying an original...
  7. B

    P0121 code APPS/TPS?

    My LC lost its accelator pedal control while I was driving and got the CEL and other lights on the dash ran the scanner an got a p0121 code. Should I try to replace the TPS first? Or should I replace the APPS? it looks like the code is specific to the TPS from reading on here but just wanted to...
  8. Aggiesdm

    3FE code 51 high RPMs...I'm stumped

    Hi all, yesterday after driving my '91 around for a while, I stopped for about an hour and when I started it again, the RPMs at idle jumped up to 1600-1800 RPMs. Prior to this, it had been running fine and idling around 650 RPMS. I initially checked to see if throttle cable was stuck, but it...
  9. bajaphile

    1FZ-FE Slight Loss of Acceleration & Power, looking for ideas...

    Hi guys, I've been searching all the terms I could think of for the last 2 weeks trying to figure out what I can test or do to remedy my situation. Nothing really stuck out. 2 weeks ago, the truck was running the way it should. Then overnight it seemed, its lost what I would say about 10%...
  10. V

    throttle position sensor voltage reading 1hd-ft

    dear fellows i want to adjust my TPS of hdj81 1hd-ft 24valve because i rebuild injection pump and nozzle but now lack of power in initial gears.accelerates slowly like someone have applied hand break and black smoke as well. i attached voltmeter to TPS positive terminal giving 5.05volts and then...
  11. Iceaxe

    TPS Adjustment

    I have the FSM but am not clear on the procedure for how to adjust the TPS... The manual says to run vacuum... Basically I just crank up the truck and let it idle while I'm doing the adjustment, right?
  12. RojoFJ62

    how the heck do I adjust the throttle position sensor?

    so my 62 has had a high idles since I bought it in February. I've read all the posts and it sounded like it was the TPS that I needed to adjust. I bought a multi-meter a couple of weeks ago to do the job. Finally got the time this weekend to take apart the throttle body, clean it out, and...
  13. WJB4000

    TPS testing question...

    Hey folks, I've got a '89 62 basically all stock. I went out to test my TPS due to code 51 and just to make sure it's all in adjustment. I just want to make sure I read the diagnostic procedure correct on which terminals to test. There are 4 terminals on the TPS, the bottom 2 are supposed to...
  14. fj62steve

    Wanted: Plug that connects to Throttle Position Sensor

    Hey folks, wondering if anyone has the plug that connects into the throttle position sensor? (1988 FJ62, 3fe) One of my terminals is missing pins in it, I cannot find this part anywhere! Thanks.
  15. GlennRauch

    I H8 Fires!

    So the insulation from the hood fell on to the top of my engine causing the insulation to set fire. There are special wires under the intake manifold that got burned. The only code I have is 41 which is for the Throttle Position Sensor Circut. Anybody ever been under the intake manifold before...
  16. S

    LX470 Accelerator Peddle Position Sensor (OBD-II P1120)

    I just but a 1998 LX470 with 250KMs (156K miles) and love it!! The throttle went limp yesterday after and the engine light came on, after only 3 days of ownership..yikes! After shutting the engine off and on again it was fine but I'm worried about this. An OBD-II scan brought up P1120...
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