Error P0183 - Fuel Temperature Sensor A Circuit High Input - Kia Forum
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#1 (permalink) Old 07-03-2007, 09:08 PM
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Default Error P0183 - Fuel Temperature Sensor A Circuit High Input


My check engine light is on and I got the error code from the OBD-II reader.
It turned out to be related to the Fuel Temperature Sensor.
After a lot of searching, I was able to find this troubleshooting guide.
It talks about FTS and ECU, but I am not able to find these components anywhere. Does anyone know where I can find a schematic/location of these components?
Also anyone had a similar problem before?


Diagnostic trouble code
No. P0181
Differential of Fuel Temperature and Engine Coolant Temperature at start too large
Diagnostic trouble code
No. P0182
Fuel Temperature Circuit Low Input
Diagnostic trouble code
No. P0183
Fuel Temperature Circuit High Input
[Related items]
1)Open or short to ground between FTS and main relay
2)Open or short to ground between FTS and ECU
3)Short to battery battery between FTS and ECU
4)Short between FTS wires
5)Faulty FTS

Turn ignition to OFF and disconnect FTS connector.
Turn ignition to ON
Measure voltage of FTS signal circuit between FTS harness connector and chassis ground.
1)Specification : Approximately 5V
Is voltage within specification?
Go to step 2.
Open circuit or short circuit to chassis ground between FTS harness connector and ECU connector.
Repair as necessary.
Thoroughly check FTS and ECU for loose, bent, corroded, contaminated, deteriorated or damaged connectors.
Is connection okay?
Temporarily install a known good FTS and check for proper operation.
If problem is corrected, replace FTS.
Repair as necessary.
Return vehicle to original condition. Clear all diagnostic trouble codes. Verify by driving vehicle with SCAN TOOL connected and monitor for pending codes.
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