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I have a 2008 chevy aveo with three ecm codes, p2106, p21...


I have a 2008 chevy aveo with three ecm codes, p2106, p2110, and p161b, it's idling rough and will not leave limp mode or safe mode Mechanic's Assistant: Is the rough idle intermittent or consistent? Consistent Mechan...

I have a 2008 chevy aveo with three ecm codes, p2106, p2110, and p161b, it's idling rough and will not leave limp mode or safe mode Mechanic's Assistant: Is the rough idle intermittent or consistent? Consistent Mechanic's Assistant: Are you fixing your Aveo yourself? What have you tried so far? Yes, I have removed and cleaned the throttle body is best I can check and cleared all codes, and it keeps happening

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Responses

Automotive Expert
Hey there, my name is Jake. Sorry to see your having issues, but thanks for reaching out for assistance

Thank you for being available
Automotive Expert
no problem, you may be in luck here. The codes are generally caused by the MAP sensor vacuum hose coming apart or coming off is all. Sometimes the throttle body is involved, but I would start by inspecting that hose it's generally all that's needed.

That would be the hose coming off the fresh air intake hose leading to the valve cover correct
Automotive Expert
intake manifold

Thank you, \*\*\*\*\* \*\*\*\*\* that, it looks to be cracked, but if that is not the full problem, what other things could I be looking for
Automotive Expert
here is a pic of the sensor
Automotive Expert
fix it! clear the codes and it should resolve. Seen this quite a few times. if not, i would suspect a throttle body issue next. The ECM is fine.

Thank you, I'll fix it now, and clear the code, and let you know what happens, car hasn't ran in 4 months
Automotive Expert
perfect, I will leave this open for us. talk to you later.

That would be great thank you
Automotive Expert
no problem

Great, that seems to have fixed it, I'm not sure if it's been because it hasn't ran in 4 months, but I'm now hearing it tick come out of the top end
Automotive Expert
might be from it sitting. I'd recommend a fresh oil change and DRIVING it to make the tick go away.

Okay thank you very much
Automotive Expert
when it sits that long there is essentially no oil in the top end at initial start up, wouldn't be a huge concern unless it worsened after a drive. your welcome

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