Hi, I recently got my VW Jetta an oil change and tire rotation. However, the dealer said my engine light is still on and needs more maintenance to fix that. They said it possibly could be my gas cap not being on tight enough letting too much air into the tank causing the light to come up. I just got it scanned at auto-zone, and the code that came up was: P2432. It said something about air flow or fuel injection. How much do you think this would cost if I took it back to the dealer? Should I take it to a non VW mechanic and do it for cheap? Any experts on VW Jettas would be much appreciated.
The code means, Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low. That is not a problem. The secondary air injection system is only designed to warm up the catalytic converter faster, and is not even a good idea. The pressure sensor circuit could include the purge valve, but it is easy to test by temporarily plugging it after the charcoal canister up by the right front, in the engine compartment, on the intake side. Then you can leave the gas tank side open if you want. If that makes the light not come one, than you are fine. But once the light is on, you have to reset it, because it is a saved code, and will not reset by itself. One way to reset it if you do not have an ODBII reader, and Autozone won't reset it for you, is to disconnect the battery and then turn on the headlights for a few minutes. This will cause possible alarm problems if you have security, such as the radio may need a code entered before working then, and it may not run optimally for a few hours, until it relearns. Never take a car to the dealer if you can help it. Find a good independent VW shop. There are lots of them.
This Site Might Help You. RE: VW Jetta Engine Light still on after oil change. Gas cap not tight enough? Help, Please.? Hi, I recently got my VW Jetta an oil change and tire rotation. However, the dealer said my engine light is still on and needs more maintenance to fix that. They said it possibly could be my gas cap not being on tight enough letting too much air into the tank causing the light to come up. I just.
