What does emission small leak mean?

An EVAP leak is a fault in the evaporative emission control system (EVAP). The most common cause of an EVAP leak warning, or the Check Engine Light, is the gas cap not being closed properly. If the cap is not fully tightened or closed all the way, the Check Engine Light may come on.

What does it mean when your engine light says p0442?

Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals. The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). The loose fuel tank filler cap is the most common cause that triggers the P0442 code.

What to do if you find a p0442 gas leak?

If you see a P0442 evaporative emission system leak detected code, you may be able to resolve the problem without much effort. The easiest solution may be to remove and reaffix the gas cap. Once you do, clear the code on the OBD-II diagnostic scanner and drive for a few days. If the code does not return, your gas cap likely was the culprit.

What does the p0442 code mean on a Chevy Cavalier?

P0442 Chevrolet Tech Notes The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). The loose fuel tank filler cap is the most common cause that triggers the P0442 code. User Submitted Video Malfunction is detected when EVAP control system has a leak, EVAP control system does not operate properly.

What to do if you find an evaporative emission system leak?

If you see a P0442 evaporative emission system leak detected code, you may be able to resolve the problem without much effort. The easiest solution may be to remove and reaffix the gas cap. Once you do, clear the code on the OBD-II diagnostic scanner and drive for a few days.

When to use the p0442 check engine light?

P0442 is present in vehicles that have a small leak in the EVAP system. The ECU carefully monitors the EVAP system for any leaks or irregularities, when a small leak is detected the ECU set a Check Engine Light to be displayed on the dashboard.

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.

What does p0442 stand for on a Toyota Camry?

P0442 is a general OBDII trouble code, which means it has the same meaning regardless of who manufactured the vehicle. The code technically stands for: Evaporative Emission System | Leak Detected

What does the p0442 code on a Saturn mean?

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. The cost to diagnose the P0442 SATURN code is 1.0 hour of labor.