18836/P2404/009220: Difference between revisions
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* Faulty Leak Detection Pump (V144) | * Faulty Leak Detection Pump (V144) | ||
* Evaporative Emission (EVAP) Canister System leaking pressure | * Evaporative Emission (EVAP) Canister System leaking pressure | ||
* Faulty (N80) Evap purge solenoid | |||
==== Possible Solutions ==== | ==== Possible Solutions ==== | ||
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* Test Leak Detection Pump (V144) and it's wiring, see repair manual | * Test Leak Detection Pump (V144) and it's wiring, see repair manual | ||
* Pressure test Evaporative Emission (EVAP) Canister System for leaks, see repair manual | * Pressure test Evaporative Emission (EVAP) Canister System for leaks, see repair manual | ||
* Test (N80) Evap purge solenoid for leaking system pressure into the intake manifold | |||
==== Special Notes ==== | ==== Special Notes ==== | ||
Revision as of 22:11, 19 July 2011
18836/P2404/009220 - EVAP Leak Detection Pump Sense Circuit: Implausible Signal
Possible Symptoms
- Malfunction Indicator Light (MIL) ON
Possible Causes
- Faulty Leak Detection Pump (V144)
- Evaporative Emission (EVAP) Canister System leaking pressure
- Faulty (N80) Evap purge solenoid
Possible Solutions
- Test Leak Detection Pump (V144) and it's wiring, see repair manual
- Pressure test Evaporative Emission (EVAP) Canister System for leaks, see repair manual
- Test (N80) Evap purge solenoid for leaking system pressure into the intake manifold
Special Notes
- If found on the 2.0L BPY engine, see Technical Bulletin 20-07-13.