LOW IDLE COROLLA 2006 on 2006 Toyota Corolla

I have a 2006 Corolla with 100,000 miles, had a lot of problem after changing the battery too low to curb idle and being stopped at a light feels a vibration rather uncomfortable with the rpm are down to 500 and that vibration is nobody finds insportable nothing of the problem is that the mechanic only my country know that that's fine but I know it is not

I've tried everything and nothing to give to the problem

pcv change
* cleaning body acceleration (several vece)
* change maf sensor
* change ecu recall
* Multiple board change orange
* change spark new denser improved about the same day
* oem air filter change
* scanning of code and no code only long fuel trim at idle I see -23% higher

* reset the computer by disconnecting the negative few days well and returned to the same thing so I think it is a sensor problem

* Vacuum leak check and nothing so good

It all started after a battery change and now the 300 mile journey realern the ecu and nothing all the same

and used the toyota Techstream and you can change up the mail because it regulates god toyota ecu please do something we are many people with this problem are disenchanted with their brand ..

low idle for a simple change of battery




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1 answer
poss inj are plugged or low fuel pressure