1999 Lexus ES300, Battery Goes Dead

This 1999 Lexus ES300 was sent to me because that battery would go dead after several days of sitting. I checked with the customer to make sure he had the radio code of needed. Thankfully in the end we did not have to have it. Next, I connected my multimeter to the engine and to … Continue reading “1999 Lexus ES300, Battery Goes Dead”

1999 Lexus ES 300, Code P0171 Stored

This 1999 Lexus ES300  came in with the service engine soon light on. I did a quick code check and found code P0171 stored. Fuel system lean bank one. I believe in checking simple things first and the Mass Air Flow sensor is very easy to access and remove. One plug and two screws. Pull … Continue reading “1999 Lexus ES 300, Code P0171 Stored”

1999 Lexus ES 300, Cooling Fans Stay On

This 1999 Lexus came in with the complaint that the engine cooling fans would stay on even after the key was turned off. The customer stated that they stayed on for an hour or more and she had to disconnect the battery to keep it from going dead. I figure that there was a relay … Continue reading “1999 Lexus ES 300, Cooling Fans Stay On”

1999 Lexus ES 300 No Run Condition

1999 Lexus ES 300 was towed to the shop after an owner had removed the upper intake assembly in order to install new knock sensors. The engine now does not run at all. It took a good bit of checking and searching but in the end the problem was very simple. Here are the symptoms: … Continue reading “1999 Lexus ES 300 No Run Condition”