2004 chev aveo hard to start when cold
Have the ECM system live scanned, there could be a sensor sending a wrong signal about temps.
Thank you!! I changed the ect sensor yesterday, and it started good this morning. Hopefully took care of the problem.
I meant the etc. Engine temperature controll sensor.
It's actually a 2005.
Car still hard to start when sitting several hours. Could it be the fuel pump screen clogged?
The only way to know for sure is to have the fuel system tested for pressure and flow. The check valve could be stuck open so the fuel system drains back after sitting. on way you can test this is too turn the key on, do not crank the engine, wait a few seconds then turn it off, do this about 3 times, then try to start it as you normally would if it fires right off then there is a problem with fuel drain back.
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