P1003 Possible Causes
- Faulty EFI System Relay
- EFI System Relay harness is open or shorted
- EFI System Relay circuit poor electrical connection
First diagnose P1003 code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
Cost of diagnosing the P1003 code
Labor: 1.0The cost of diagnosing the P1003 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P1003 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1003 MeaningEFI System Relay Contacts Open is the generic description for the P1003 code, but the manufacturer may have a different description. Currently we have no further information abouth the P1003 OBDII code. Please post your question on the Q&A section for more information: AutoCodes.com Questions.
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