Always verify the fit for the model year and engine combination in your car. Pull the harness plug, and that’s usually it. There are a few clips that you need to find and remove. The purge valve lets fuel vapor out of the charcoal canister and into the intake manifold. The vapor canister purge valve is a common cause of the P0442 trouble code and the Toyota Camry. Unfortunately, when this code appears by itself, it doesn’t specify which part of the EVAP system the leak is coming from.Ī professional shop can use a smoke machine to test precisely where your Camry’s EVAP system is leaking from. P0442 doesn’t specify where the leak is coming from, only that there is a leak. EVAP System Leak Purge valves come in many shapes and sizes Inspect the O ring underneath the fuel cap and verify that it is present and not dry-rotted.Įnsure you utilize an authentic Toyota gas cap for replacements to maintain optimal functionality. Your Camry may display a message indicating that you need to tighten the gas cap even if it doesn’t, the fuel cap is the first thing you should check. Just be aware that the engine may take several cycles to clear the code. So if it’s the first time you have experienced this issue, you may want to tighten the fuel cap and see if the code clears itself. Bad or Loose Gas CapĪ bad or loose gas cap will also trigger this trouble code. The most prevalent issue is undoubtedly the gas cap. Numerous factors can trigger the P0442 error code in the Toyota Camry. In rare cases, your Camry may have difficulty starting after fueling up, indicating the purge valve is stuck open. You may notice the vague smell of gas near the back of your vehicle, the check engine light will illuminate, and you may or may not have a “ check fuel cap message”. There are rarely any symptoms related to the P0442 code. P0442 indicates your Camry has a minor EVAP leak. When the Toyota Camry’s computer detects that the EVAP system has a leak, it will throw the P0442 code.ĭifferent code numbers represent the leak size. The EVAP system captures all fuel vapor from your car’s fuel tank and sends them to the engine’s intake to be ignited in the normal combustion process. P0442: Evaporative Emission Control System → Leak Detected (Small) Evaporative Emission Control System P0442 is a universal OBD II diagnostic trouble code, applicable across vehicle manufacturers. The most common cause of P0442 is a missing or damaged fuel cap. While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your Camry. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system. If you lose the schedule due to traffic, attempt to get back to it when conditions are safe to do so.One of the most common issues that happens with the Toyota Camry is the P0442 trouble code. This schedule is best driven on a dyno if available, otherwise find the best road with least traffic Try to maintain constant throttle as much as possible during the steady state speed portions of the drive cycle When decelerating from 50-55mph there needs to be at least 5 sec of fuel cut-off its best to close throttle as soon as possible for 5 secs to assure decel fuel cutoff occurs Decelerate from 50mph-0 over 15 secondsĬoolant needs to be within 0 to 40C (0 to 104F) at start.Repeat the last steps going between 40 and 50 5 more times.General instructions: Perform this drive cycle until the required number of readiness codes are set as required by your State test (all models except for 2006-2007 Sonata V6, Azera, and 2007 Entourage and Santa Fe) HYUNDAI DRIVE CYCLE TO SET OBD READINESS CODES Other than that, this sort of thing is usually due to some marginally bad component that's bad enough to prevent reaching the diagnostic conditions but not bad enough to set a trouble code. Note that if it's still not going to "ready", then check if they do go to ready while driving but then go back to not ready when switching the key off - in that case there may be an issue with the keep-alive power feed to the PCM. The standard Hyundai/Kia drive cycle is below.
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