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Ask Skyvisions Your Own Question
Skyvisions, ASE Certified Technician
Category: Lexus
Satisfied Customers: 14422
Experience:  Lexus Expert
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Can you connect me to the mechanic, wanna ask why when iam

Customer Question

Can you connect me to the mechanic
JA: What is the model/year of your Lexus?
Customer: wanna ask why when iam pressing on the pedal l do not get response l want l have a faulty oxygen sensor
JA: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?
Customer: the scanner showed the problem my question is the one l asked
JA: What year is your Lexus?
Customer: 2002. GS 300
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I have changed thé air mass sensor
JA: Anything else you think the mechanic should know?
Customer: that's it
Submitted: 1 year ago.
Category: Lexus
Expert:  Skyvisions replied 1 year ago.

Is the yellow check in July currently on? Do you have a code reader to check for malfunction codes that may be set in the computer? You mentioned about having a scanner showing a problem but I need the specific code numbers.

Customer: replied 1 year ago.
the yellow check is on. lt says the oxygen sensor is faulty. I do not have the code numbers
Customer: replied 1 year ago.
my question does the oxygen sensor make the car less responsive when hitting the gas pedal?
Expert:  Skyvisions replied 1 year ago.

To answer your question specifically no the oxygen sensor will not directly cause a huge loss of acceleration. However you can lose about 10% of the performance if the oxygen sensor shorts out or quits producing a signal. By default there are settings in the computer to allow the vehicle to accelerate usually unnoticed if an oxygen sensor fails.