Pontiac Sunfire Check engine light PO440
Hi everyone,
I got a call this morning from my wife on her way in to work. Her check engine light came on, so she pulled over and called me. We just happened to have a Scangauge hooked up, so I told her how to scan for the error code. It was PO440. I looked that up and found that it is "P0440 Evaporative Emission Control System Malfunction". What does that mean? It doesn't sound too bad. Could it be as simple as a loose gas cap? I would like to be able to fix this myself, instead of sending it to a shop, but I am not sure where to start. Any suggestions? Thanks, -Ben |
I just got an e-mail from my wife:
"Ben, I checked the gas cap on my car and it was NOT screwed on all the way. I screwed it back on and now that check light if OFF. yeah. -Me" Looks like it really WAS just the gas cap! |
I wonder what that would have cost if you had taken it to a shop. ;-)
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