Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2001CABRIO GLS (1V7) L4-2.0L (ABA)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSENGINE CONTROL SYSTEMDTC 17990
2001 Volkswagen Cabrio GLS (1V7) L4-2.0L (ABA)
DTC 17990
2001 Volkswagen Cabrio GLS (1V7) L4-2.0L (ABA)SECTION DTC 17990
SAE VAG Description
P1582 17990 Idle Adaptation at Limit
Evaporative Emission (EVAP) Canister Purge Regulator Valve
- Evaporative Emission (EVAP) canister purge regulator valve 1, checking Evaporative Emission (EVAP) Canister Purge Regulator 1, Checking
Evaporative Emission (EVAP) Canister Purge Solenoid Valve
- Evaporative Emission (EVAP) canister purge regulator valve 2, checking Evaporative Emission (EVAP) Canister Purge Regulator 2, Checking
Exhaust system
- Exhaust system components, removing and installing
Fuel Injectors
- Fuel injectors, checking Fuel Injectors, Checking
Fuel pressure regulator and residual pressure
- Fuel pressure regulator and residual pressure, checking Fuel Pressure Regulator and Residual Pressure, Checking
Intake system
- Intake system for leaks (false air), checking Component Tests
Secondary Air Injection (AIR) system
- Secondary Air Injection (AIR) system, checking for proper seal Secondary Air Injection (AIR) System, Checking For Proper Seal
Note: Check vacuum lines for leaks
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.