1993 Lexus LS 400 Repair Question
Topics covered: Sensor, Fuel injector, Spark.
Mileage: 198,000 miles.
Mileage: 198,000 miles.
Asked on April 3, 2011
Sputtering Lexus
My car a 1993 Lexus LS 400 sputters badly while running and seems like it will shut off, its also really burning a lot of gas. I've put fuel injector cleaner in it several times. What is causing this and how can I fix it?
Asked by AL PenaAnswer
Replied on April 3, 2011
Could be caused by one of the following below
Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.
Note:If it doesn't apply disregard it and keep testing.
