P1655 Cadillac Code - EVAP Purge Solenoid Control Circuit
Quick Answer
The P1655 diagnostic trouble code (DTC) for Cadillac vehicles specifically points to an issue with the EVAP (Evaporative Emission Control System) Purge Solenoid Control Circuit. Common causes include Faulty EVAP purge solenoid, Damaged wiring or connectors in the circuit, Defective PCM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1655 Cadillac indicates EVAP Purge Solenoid Control Circuit.
- Common causes
- Common causes include Faulty EVAP purge solenoid, Damaged wiring or connectors in the circuit, Defective PCM.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1655 Cadillac Description
The P1655 diagnostic trouble code (DTC) for Cadillac vehicles specifically points to an issue with the EVAP (Evaporative Emission Control System) Purge Solenoid Control Circuit. The EVAP system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from being released into the atmosphere. The Purge Solenoid Control Circuit plays a crucial role in controlling the flow of fuel vapors from the charcoal canister to the engine intake manifold for combustion.
Common Causes of P1655 Cadillac
- Faulty EVAP purge solenoid
- Damaged wiring or connectors in the circuit
- Defective PCM
- Vacuum leak in the EVAP system
- Clogged charcoal canister
Symptoms of P1655 Cadillac
- Check engine light illuminated on the dashboard
- Rough idling or stalling
- Poor fuel efficiency
- Difficulty starting the engine
- Failed emissions test
How to Fix P1655 Cadillac
- Use a diagnostic scanner to retrieve the specific trouble code and confirm the issue is related to the EVAP Purge Solenoid Control Circuit.
- Inspect the wiring and connectors in the circuit for any damage or corrosion. Repair or replace as needed.
- Test the EVAP purge solenoid for proper operation. Replace if it fails to function correctly.
- Check for any vacuum leaks in the EVAP system and repair as necessary.
- Clear the trouble code from the PCM and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1655 Cadillac
The cost of repairing a P1655 DTC related to the EVAP Purge Solenoid Control Circuit can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost could be anywhere from $150 to $500. It's important to note that these are rough estimates, and actual costs may differ based on factors such as location, vehicle make and model, and the extent of the repairs needed. It's recommended to consult with a qualified mechanic for a more accurate cost estimate.
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