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  1. E

    3FE No Start Issue

    No start No CEL This is exactly what happened to me a few weeks ago. Thanks to this great forum, I solved it in a few minutes using Jon Held's writeup In my case, I followed the writeup and I got to the B+ connector at the diagnostics port to check 12V. Nada. NO CEL either. The problem was...
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    Cold engine misfire

    Thanks for the quick replies! Full tune up a few months ago, including the wires and 02 sensors and fuel injection cleaning by Carbon Clean. Smog readings were really low, indicating a good state of tune. I hope it isnt the head gasket, although there are no tell tale signs that point to...
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    Cold engine misfire

    Hello Everyone, I have a 92 LC 80 series with the 3FE engine and 70,000 miles on it. It runs great except when it is first started . It has a cold engine misfire and gradually disappears when it attains norma engine temp(needle at half of coolant temperature gauge) It doesn't have a hard to...
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    Help needed in locating 3FE timing hole

    Newbie needs help in locating hole for 3FE Hello! I am new to the FJ80 3FE engine. Compared to a 2LTE Diesel LJ78 Prado, this engine is totally alien to me! Anyway, I can't seem to find the timing hole! Could someone reply with where exactly this hole is . What is it...
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    Timing Adjustment for a 3FE Motor

    Newbie needs help in locating hole for 3FE Hello! I am new to the FJ80 3FE engine. Compared to a 2LTE Diesel LJ78 Prado, this engine is totally alien to me! Anyway, I can't seem to find the timing hole! Could someone reply with where exactly this hole is . What is it next to? Close to...
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    New 02 Sensors = Mileage Increase

    Newbie needs help on 02 sensor Hello to Everyone, On a 92 FJ80 with the 3FE 4.0 engine, are the left and right 02 sensors identical? I got this from an earlier 02 sensor thread. I get conflicting views from automedicsupply.com which list two part numbers and prices for the left and right...
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    Newbie needs help CEL error 25

    Hello to All! I recently bought a 1992 FJ80 with the 3FE motor. It runs ok, a tad underpowered for mountain climbing. I bought it with the CEL on and the former owner never dealt with the problem I've checked the forum and very few references for CEL error 25. I think it is lean mixture...
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