troubleshooting

  1. SucioP

    LX 450 A/C Troubleshooting

    After putting the truck back together f/ a rebuild in the fall, I couldn’t get the A/C to work. AC blew ice cold before tear down. Here’s where I’m at: new compressor / clutch, after market dryer relocate, new condenser, system purged and charged at local AC shop. They dicked around with it...
  2. raijinbu

    93 LC starts, runs then dies if gas pedal is not pressed

    I think my issue is centered on the AFM in my 93 LC. Originally, I purchased it in non running condition and in troubleshooting I found that the two screws in the AFM had been removed. I soldered the connectors in the AFM and the truck started and ran. It passed smog here in CA and ran until...
  3. Anvil

    EFI 15 amp fuse blowing

    I've researched a lot and watched many Youtube videos... I'm still at a loss and need some advice. Thank you in advance! The EFI 15 amp fuse keeps blowing on my girlfriends 1995 80. The Cruiser will travel 10 to 12 miles when cold, then the fuse blows. It then blows a fuse every .5 to 1 mile...
  4. Zooguy

    Air conditioning gurus needed

    It was a little bit warm today after work. So I tried to turn on the air conditioning on my '99 Land Cruiser and it did not cool off at all. Outside temperature was showing to be 81*F and the soil temperature gauge I have mounted inside one of my vents was showing the same with the blower on...
  5. fjlau

    1997 fzj80 turns over and shuts off immediately. HELP!!

    Just some background info in case it helps. 1997 1fzfe 80 series 315k miles. Recently installed a new exhaust system which blocked off the EGR port. Ran fine for 3 min after the exhaust install then died and never started again. The motor turns over and it starts for about a half a second and it...
  6. C

    80 Series 94 Land Cruiser w/ A442F - Won't go into Reverse, stalls in D 2 or L

    Looking for troubleshooting help. I have a 94 LC with A442F transmission (US specs). All of a sudden it would not engage in Reverse and it will stall if I shift to D 2 or L. When the transmission wire harness is unplugged it will go into gear (I think that puts it into safety mode?). Thought...
  7. MatthewMcD

    No Spark Troubleshooting

    Yesterday I was triumphantly driving around my neighborhood with my buddy who assisted me in replacing my leaking clutch master/slave and hardline. Suddenly the engine ran rough, backfired, ran for about 50 yards and then died. No spark. Troubleshooting this morning and there is no spark to the...
  8. 2

    Cross posting, need help troubleshooting the LX

    I was absolutely certain my cold weather no throttle issue was a bad accelerator pedal position sensor (APPS) from everything I found online. Bought a new OEM throttle body with APPS, TPS, and throttle motor last winter and after riding it around in the back floor all year, I finally installed...
  9. 2

    Need help with P0120 code troubleshooting 2000 LX

    I have a 2000 LX470 with about 270k. I replaced the entire throttle body with a NEW OEM unit to fix what I thought was a faulty APPS. I have the same problem and today seems a little worse. Background: This vehicle is normally garaged and a second vehicle. Last winter I had two occasions where...
  10. yomumsbum

    Temperature gauge troubleshooting fj45

    Gday everyone I would just like some ways of troubleshooting my temperature gauge (1979 fj45 2f) it does not move at all along with my oil pressure and alternator gauge. So far the only trouble shooting I have done is removing the temp sender, visual inspection (looked good) checked resistance...
  11. jchoop

    Another EFI Fuse Blowing Thread (SOLVED!!)

    '97 80 Series LC with 300k. No recent work other than oil top off's 🛢️ I will try and keep this short. I know there are several other threads pertaining to causes and troubleshooting of the EFI fuse blowing under various conditions. But none matched my exact scenario, so I am hoping my specific...
  12. tiresandals

    LJ78: 2L-T Runs then Stops suddenly Post Diesel Injector Service and Glow Plug Change - Troubleshooting - Solved

    After doing some fuel system work I was driving my LJ78 and it just stopped. Enough fuel. Injectors are dialed in and getting fuel. I don't think that was the issue. So I looked a little more closely. I found that a fusible link was burnt out. The link ran to the glowplug relay (orange arrow)...
  13. C

    Fob not controlling security alarm...

    1999 LX470 - 200k Hey there, odd issue that happened out of the blue and looking for guidance on the next steps to take to resolve. My fob no longer controls the security alarm and when I unlock the car, the alarm goes off. Also too, I noticed that the horn pad didn't work when I press on the...
  14. MatthewMcD

    Parking Brake Switch/Light Troubleshooting

    As I wrap up my Parking Brake rebuild on my 75 FJ40, I am trying to figure out the Parking Brake Switch circuit. The switch works fine. I have it operating correctly (based on my multimeter) when the brake is set and released. The problem is with the ignition on and the brake set, the brake...
  15. Bloomer

    Troubleshooting Voltage Regulator

    The last thing I want is an electrical fire so coming to the IH8MUD brain trust for thoughts. There has been a few times after driving the battery seemed too low to efficiently engage (original) starter. I’ve kept a battery tender on the battery so it’s fully charged when needed. I recently...
  16. youngmanchego

    Troubleshooting PS pressure issue

    I’m trying to trouble shoot a pressure failure in my n.d. 80 series pump mated to a 86’ 60 series PS box for eventual installation in my 78’ 40 w a 2F. I’ll be building a custom bracket so the pump can go on the drivers side (LHD). I have a PS pressure testing kit spliced into the setup. I’m...
  17. Rapt

    Not Starting

    My FJ80 started randomly not starting. When the key is turned there is one loud click but doesn't start. I can hear the fuel injectors pumping fuel in. Battery is fine, spark plugs are fine. I'm guessing starter but with one loud click and no other noise I'm not for sure. Typically if I would...
  18. M

    stumbling idle once warm

    Forgive the long story, but it might help isolate the issue. My family and i went camping a few weeks ago and on the way home the 1997 Land Cruiser 80 series (US 1FZ-fE) started running rough and the check engine light was flashing. I pulled over and pulled the spark plugs to see if I could...
  19. makaishj75

    Need help badly, Glow plugs not working

    Hey All, I’m a 17yr old with no clue on a lot of stuff but am trying to learn, I have a 1989 hj75 with a 2H and my car has had a lot of trouble starting, putting out big white clouds (assuming unburnt diesel) so I have concluded it’s the glow plugs. After looking under the hood at the buzz bar...
  20. H

    intermittend Check Engine Light ... code unobtainable

    97 FZJ 80, European spec., delivered to Finland, no OBD2, 1FZ with 360 000 km on the clock. for the last 2000 km (starting in the dunes of Grand Erg Oriental/Sahara desert) the CEL came on intermittendly. When trying to get a code with the paperclip method: continuous blinking and after...
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