Code P1400
I have a 2011 2.2L HHR. I had a check engine light and went to autozone to check it out. I was given an error code P1400. We did the basics, checking the air filter and hoses. So I took it to a mechanic to check out the exhaust manifold, it was cracked so he replaced it and also showed me there was a crack in the filler tube so he welded it,telling me it would be a temporary fix. The check engine light went out and I thought everything was fine until the light came on again with the same code. Don’t have any starting issues, no lagging or sputtering. Any suggestion?
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Welcome to the site, not much about P1400, however it is recommended to clean the throttle body and I would clean the MAF sensor also
https://www.obd-codes.com/forums/viewtopic.php?t=10457 Now for the throttle body only use the proper spray cleaner, same for the MAF use a MAF sensor save cleaner. Do not move the throttle plate manually, it’s real easy to strip the gears in the drive motor |
Are you saying the flex pipe is cracked? Welding that lasts about 4 minutes.
Welded the fuel filler tube? What were you told the P1400 means? |
Seems the exhaust manifold was cracked and replaced. I would think would give a P0171 or P0172 code
I’m not reading flexpipe. As for the filler tube, the fuel tank filler tube, wouldn’t that give the loose gas cap code ? As the fuel storage wouldn’t pressurize. |
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