It is a sensor that is placed on the rear of the engine and is the one that gives the signal to the switchboard so that the car has current for the ignition, it may not have enough fuel pressure to make it start, it can be the air flow sensor \ "maf \" that does not send a good sign or have the chapaleta of the dirty acceleration body and have to clean it and make the parameters or operating rule with a computer Diagnosis and another thing that is not to rule out the temperature传感器,此外,火花塞插头以来,因为当您不更改它们时,请注意这些测试并警告我,问候Alfredo.-