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  1. MustangOwl

    SOLVED: HELP! How to remove silicone gasket

    Attempting to check my water temp sensor led me to do a check of my thermostat. HOWEVER Some previous owner must have opened the thermostat casing before and then used a sticky silicone (loctite?) to form a gasket sealing it together with the water pump. The sucker won’t budge. Any tips...
  2. MustangOwl

    Water Temp Sensor

    I’ve done some digging but haven’t quite found an answer yet. Does anyone know how to test or to remove the water temp sensor without having to take the entire pump or thermostat or whatever that thing is off? :) I sure was hoping this would be a simple test and replace, but it’s looking a...
  3. MustangOwl

    SOLVED: What is this part behind the ECU? (Eventual AFM issue)

    Still navigating a cranks, no starts, CEL does not light up on ignition issue… but as I tried a new ECU (didn’t work), I saw the below in the pic. Can anyone identify what this filter looking thing is? I was under the impression the 62 didn’t have a cabin air filter. If anyone has any...
  4. MustangOwl

    GROUNDS And O2 sensors

    I’m trying to track down what may be a grounding issue for my ECU (or my ECU is faulty… joy). The brown-with-black wire running out of E1 on my ECU looks like it snakes through the bigger harness into the engine bay, then down towards the starter (where i can see it / it’s out of the insulation...
  5. MustangOwl

    How to test ECU?

    I’ve got the FSM and a multimeter… but… physically how do you test the sucker? Just jam the probes behind the wires? Get thinner probes? Any help would be appreciated. This rig keeps throwing me curveballs :)
  6. MustangOwl

    Wiring Question / Dangling Connectors

    I’m trying to solve a “no CEL, cranks, no start“ issue, and while tracking down grounds found two dangling connectors on the wall of the driver’s side panel under the fuse box. The one with the yellow circle is a two-wire connector with black and red wires. The one with the red circle is a 6...
  7. MustangOwl

    FJ62 - Chasing Gremlins

    Alrighty folks, looking for some help here. BACKGROUND I bought an FJ62 (11/89) 18 months ago, all original, running, but some rough gas mileage (below 10). Last October, she stalled out on my wife and threw a Code 51. Being experienced in oil changes ONLY, I figured, what the heck, let‘s...
  8. MustangOwl

    TPS Replacement

    Long time reader, first time poster. I’ve got a 1990 FJ62 that, after scouring all of the resources on here, we’ve settled on replacing the Throttle Position Sensor. This is my first time messing with a TPS, and we got our new one from one of the vendors listed here and were ready to switch...
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