What does the p0442 code on a Pontiac mean?
P0442 PONTIAC Tech Notes The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0442 code. What does this mean? Cost of diagnosing the P0442 PONTIAC code Labor: 1.0
What causes a fuel tank sensor to set p0442?
If the Vent Valve or Purge Valve is not functioning correctly, it may lead to a small leak that will set the P0442. The same applies to any Fuel Tank Pressure Sensor codes (P0451, P0452) or Leak Detection Pump codes (P1495).
What should I do if I have a p0442 gas leak?
With a P0442, the most common DIY repair is to: Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back. Otherwise, replace the gas cap (we recommend an OEM original part, not aftermarket part), or. Visually inspect the EVAP system for cuts/holes in tubes/hoses.
How much does it cost to repair a p0442 GMC?
The cost of diagnosing the P0442 GMC 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.
P0442 PONTIAC Tech Notes The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0442 code. What does this mean? Cost of diagnosing the P0442 PONTIAC code Labor: 1.0
If the Vent Valve or Purge Valve is not functioning correctly, it may lead to a small leak that will set the P0442. The same applies to any Fuel Tank Pressure Sensor codes (P0451, P0452) or Leak Detection Pump codes (P1495).
What causes a p0442 GMC purge solenoid to be off?
The PCM commands the EVAP Purge Solenoid OFF once the system has reached a predetermined level of vacuum. This test verifies if a vacuum can be achieved in the EVAP system. Failure to develop a vacuum may be caused by a large leak or a restriction. P0442 GMC More Information Need more information on how to fix the P0442 GMC code?
With a P0442, the most common DIY repair is to: Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back. Otherwise, replace the gas cap (we recommend an OEM original part, not aftermarket part), or. Visually inspect the EVAP system for cuts/holes in tubes/hoses.
What to do about a GMC p0442 EVAP leak?
With a P0442 GM, the most common repair is to: Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back. Otherwise, replace the gas cap, or Inspect the EVAP system for cuts/holes in tubes/hoses Sources: About.com
How to know if your Toyota engine light is p0442?
First diagnose P0442 TOYOTA 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 connector’s pins. P0442 TOYOTA Tech Notes There is a factory service bulletin for the following Toyota models:
What causes the EVAP purge solenoid to be off?
The ECM commands the EVAP Purge Solenoid OFF once the system has reached a predetermined level of vacuum. This test verifies if a vacuum can be achieved in the EVAP system. Failure to develop a vacuum may be caused by a large leak or a restriction.