1994 Lexus LS400 Battery Goes Dead

This 1994 Lexus LS400 came in with the complaint that the battery would go dead while the vehicle sat. The method in which I connect my multimeter has evolved over recent years into what you see below. I start by connecting a battery jump box to the battery positive terminal and a good chassis or … Continue reading “1994 Lexus LS400 Battery Goes Dead”

2009 Lexus ES350 Evaporator Core Replacement

These are just a few pictures that show just how much has to be removed in order to replace a leaking evaporator core in a 2009 Lexus ES350. This was my first time doing this job on this year,make and model of vehicle so it was a bit of a learning experience. I don’t do … Continue reading “2009 Lexus ES350 Evaporator Core Replacement”

2002 Lexus RX300, Passenger Low Beam Headlight Does Not Work

This 2002 Lexus RX300 came in with the complaint that the passenger side low beam headlight and the driver’s side driving/fog light did not work. I located the fuse in the under hood fuse box. Testing showed that the fuse was good and properly powered. To access the wiring for the passenger side low beam … Continue reading “2002 Lexus RX300, Passenger Low Beam Headlight Does Not Work”

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”

1994 Lexus GS300, Starter Clicks

This 1994 Lexus GS300 came in with the typical “starter clicks but won’t crank” condition. After a quick check to make sure that battery and cables were okay, I started to remove the starter. The starter can be seen at the rear of the driver’s side of the engine but it has to be accessed … Continue reading “1994 Lexus GS300, Starter Clicks”

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”

1991 Lexus LS400 – Cranks & Stalls

Vehicle cranks normally but within a few seconds the engine starts to stall. If the throttle is pressed the engine will run but it surges severely. With a little research I found that the fuel pump on this vehicle operates at two different speeds and that the speeds are controlled by changing the supply voltage. … Continue reading “1991 Lexus LS400 – Cranks & Stalls”