the efi temp sensor can cause fuel consumption if it is out of range but generally not a no start. does it crank over? every engine needs 4 things to start and run; fuel, spark, compression and timing. If your Corolla doesnt start and run, it is missing at least one of those, You need to find out which by a process of elimination--checking for spark, fuel pressure, cam timing etc. If you do not have the tools or the know how for this, guessing can get more expensive than if you take it in to a pro. Just like i tell my younger guys, there are no easy shortcuts. Do the legwork(testing). Find out what is good to get to the bad. Good Luck--SB
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