Subject: | Malfunction Indicator Lamp (SERVICE ENGINE SOON Telltale Lamp) On with PCM/EC DTC 13 Retained in PCM Memory (Repair Oxygen Sensor Wire) |
Models: | In 1994 Saturns equipped with air conditioning (C60) or Retailer installed air conditioning prep kit (C66) built before, and including VIN RZ268961. |
The malfunction indicator lamp (SERVICE ENGINE SOON telltale lamp) is ON with PCM/EC diagnostic trouble code (DTC) 13 retained in PCM memory.
The wire from the oxygen sensor to the PCM may be incorrectly routed and could be cut by the engine cooling fan blades.
Inspect oxygen sensor wire, between rosebud and oxygen sensor, for possible damage. If wire is damaged, repair wire according to the following procedure. If wire is damaged, refer to "Electronic Engine Controls Service Manual" for diagnostic procedures.
• | P/N 21022282 - Oxygen Sensor Connector Kit - Federal Emission Vehicles |
• | P/N 21023006 - Oxygen Sensor Connector Kit - California Emission Vehicles |
Caution: DO NOT USE MATCH OR OPEN FLAME TO APPLY HEAT TO SEAL
Important: Make sure to route wire so that wire cannot be drawn into the engine cooling fan, but allow enough slack for engine movement.
Closed - Loop Criteria
• | ECT reading over 60°C (140°F). |
• | Engine running at least one minute. |
• | Bring engine off idle (TP sensor 7 to 10 percent) briefly to obtain closed - loop. |
• | Oxygen sensor voltage should vary over 550 mV to under 350 mV. |
21022282 | Connector Kit - Oxygen Sensor (Federal Emissions) |
21023006 | Connector Kit - Oxygen Sensor (California Emissions) |
21020792 | Tie Strap |
12089189 | Crimp Seal Sleeve Splice (included with connector lead kit) (Available from OTC Division of SPX Corporation at 1800533 -- 5338, or from Packard Electric at 1 800 - PACKARD with a minimum total order of $25.00 for any combination of parts.) |
To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System as follows:
Description | Labor Operation Code | Time |
---|---|---|
Wiring and/or Connector Repair Emissions Sensors | N6276 | 0.5 hrs |