Yes Joe
Just don't try and bypass it. You can keep cancelling the code. The ECM will try and work things out and compensate. If this was the vehicle that had the fuel system cleaner, it may right itself over a half tank with cleaner.
The EGR is an EPA idea to make sure some of the unburned hydrocarbons (fuel) gets a second change at getting burned up.
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Apr 10, 2020 - Attempt a DIY reset by inserting the key in the ignition and turning to the "on" position, without cranking. Leave the key "on" for 10-15 ...
5 answers · Top answer: The anti-theft system of the Toyota Corolla works to disable the fuel injection and ignition of Your vehicle through the ECU if a security breach is detected. ...
Question edited for clarity.
All question need FULL 'year make model;' as first 3 words.
Question moved to Toyota Corolla. There are over 40,000 categories to choose from listed by 'make year model'.
Question edited for a lot more clarity.
Question moved to 'make and model' for the engine.
No that is the last thing it is likely to be! It was working before, why would it fail because you changed the valves?
Did you carefully lap the new valves with grinding paste to make sure they sealed? Are they all opening a closing. Is the gap correct?
Can you do a compression test?
Question edited for clarity.
Question moved to model category.
Try cleaning the Throttle Body and MAF (mass air flow sensor). If that doesn't fix it, an auto electrician with a pro grade scan tool computer can diagnose which sensor is causing it to dump fuel in 'Short Term Fuel Trim'.
Videos for both jobs below.
You call out the person that put the new alternator in and tell them to fix it. What they did caused that to happen. The alternator and the starter relay are not on the same circuit.
Or, you need an auto electrician to diagnose and fix.
https://www.google.com/search?q=auto+electrician+near+me
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