2000 Lexus RX 300 throttle

2000 LEXUS RX 300
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SGTREAPER
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  • 1 POST
Engine Mechanical problem
2000 Lexus RX 300 6 cyl Two Wheel Drive Automatic

my car starts and idles but bogs down when i press the gas. and will not drive. i took off the throttle housing to check the throttle plate,it seemed clean and working properly.what else can i try?
Mar 17, 2010 at 5:20 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Lack of acceleration,chugging,hesitating,bogging etc. could be caused by one of the following below.

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
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.
Mar 18, 2010 at 12:00 AM
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