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| 86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS |
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#1 (permalink) | ||||
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Code 12?
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1987 Xtracab 4WD 22RE Auto - My DD "TSC" Muffler Rolled once, it's now known as YEEHAW Build Thread 1988 4WD 22RE 5spd Build Thread 1989 4WD 20R 5spd Full Cage Bed SAS (in slow progress) Mudtoy/Crawler Project/BuildThread Parts Trucks 1979 4WD <parting this one out<! 1983 SR5 5spd 2WD 1984 22r 5spd 4WD 1989 IFS 4WD |
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#2 (permalink) |
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Join Date: Jul 2010
Location: Edgewood, NM
Posts: 453
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I think when I was researching this on my 87 4r, code 12 is rpm signal. Which could be the knock sensor. But all my searching led to finding out very rarely does the knock sensor itself go bad. Its most likely a conection from the sensor to the ECU. check the pig tail. the sensor itself is on the passenger's side under the oild filter I believe.
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1987 4runner, 22RE, W56,4.56 V6 diffs Ball joint spacers, ZUK 14'' coils, KYB's all around, 30x9.50x15. V6 Brakes. Redtop, GM alt, K&N, H4 anoying blue head light upgrade Magnaflow exhaust. Addicted front bumper In progress: Dual batteries with optima yellow. Aussie locker in the mail Soon:sliders, rear TG bumper, 31x10.5x15 |
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#3 (permalink) | |
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Quote:
Thanks for the info!!!
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1987 Xtracab 4WD 22RE Auto - My DD "TSC" Muffler Rolled once, it's now known as YEEHAW Build Thread 1988 4WD 22RE 5spd Build Thread 1989 4WD 20R 5spd Full Cage Bed SAS (in slow progress) Mudtoy/Crawler Project/BuildThread Parts Trucks 1979 4WD <parting this one out<! 1983 SR5 5spd 2WD 1984 22r 5spd 4WD 1989 IFS 4WD |
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#4 (permalink) |
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[OP]
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well, i redid the wire, and the light stayed out for about 2 miles... Guess i'm gonna have to change the sensor...
__________________
1987 Xtracab 4WD 22RE Auto - My DD "TSC" Muffler Rolled once, it's now known as YEEHAW Build Thread 1988 4WD 22RE 5spd Build Thread 1989 4WD 20R 5spd Full Cage Bed SAS (in slow progress) Mudtoy/Crawler Project/BuildThread Parts Trucks 1979 4WD <parting this one out<! 1983 SR5 5spd 2WD 1984 22r 5spd 4WD 1989 IFS 4WD |
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| Tags |
| 12, 1987, 1989, 22re, check, code, engine, landcruiser, light, rpm, toyota |
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