20 Most Recent 2003 Lexus IS 300 Questions & Answers


There are two fuse boxes on this car.
The first is located inside the car, it is in a pocket compartment located near to the driver side door.
The other one is under the hood on the driver's side, it is a black box with a removable cover.

2003 Lexus IS... | Answered on Dec 31, 2015


That is not good.

2003 Lexus IS... | Answered on Jul 29, 2014


run fault codes and look for a TCM and torque converter clutch servo/solenoid problem

2003 Lexus IS... | Answered on Dec 14, 2013


Depends where you live, can be anywhere from 1.5 -4 thousand. Call a dealer, then a few garages where you live to see what it runs.

2003 Lexus IS... | Answered on Apr 15, 2013


More than likely since your heater core is by-passed,your thermostat was probaly removed and you may be without one.Here's a link to check and replace it.Here's a link to heater core.Your heater core could be bad since it was bypassed,does the front floor board have water stains anywhere.

2003 Lexus IS... | Answered on Jan 28, 2013


I had the same problem with mine, mechanic said it was a result of the O2 sensor (s) needing replaced. He replaced them and problem was solved.

2003 Lexus IS... | Answered on Apr 19, 2011


May have trans code, stop by Advance Auto and they may pull code free, then list it here and someone can help you

2003 Lexus IS... | Answered on Oct 15, 2010


If you can hear it click like the other doors the it's the rod has come off the actuator or the plastic clip that holds it on is broken. If not most likely it's the actuator has gone bad. the actuator is the electronic part inside the door that actually unlocks the car.

2003 Lexus IS... | Answered on Sep 29, 2010


If power goes to the actuator replace the old one

2003 Lexus IS... | Answered on Sep 10, 2010


YOU have a Senser that has gone out.OK...

2003 Lexus IS... | Answered on Aug 02, 2010

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