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Resources for the Repair and Maintenance of your 1999 Lexus GS300

1999 Lexus GS300

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1999 Lexus GS300 Problems

Exhaust & Emissions -- Verified

The Check Engine Light may illuminate due to an O2 sensor heater fault. Most commonly the affected O2 sensor will need to be replaced to correct this concern.

Exhaust & Emissions -- Verified

The Check Engine Light may illuminate due to an EVAP system fault. These faults are commonly EVAP canister or gas cap related. Our technicians recommend diagnosing the stored fault codes before replacing any components.

Suspension & Steering -- Verified

Clunking noises from the front suspension may be caused by the top front shock mount, which has been redesigned.

Engine -- Verified

Sludge can build up in the engine because Lexus did not recommend frequent enough oil changes. Lexus will sometimes offer a discount on cleaning the engine if necessary. Owners who changed their oil every 3,000 miles did not experience these problems. This sludge build up can lead to excessive oil consumption.

1999 Lexus GS300 Questions and Answers

greyhound, 1999 Lexus GS300, Tolland, CT

what is the code for P0171 and where is the sensor that is bad

FARMER1, 1999 Lexus GS300, Wilmington, DE

the floor behind the drivers seat gets wet. What I've heard so far is a sunroof drain plugged, but other than the front drains, I cannot locate any others. Any idea as to locating the rear d...

hrmclean, 1999 Lexus GS300, Tarawa Terrace, NC

I recently had my vehicle serviced. The driver side front struts was replaced. 2 weeks later the car ball joint on the same side fell out. Could this have been prevented from the mechanic when the ...

TinaLuv, 1999 Lexus GS300, Upper Marlboro, MD

Your site states rear or front sensors but only allow you to pick One for quanity. My car was diagnosed at the dealer as needing 2 Oxygen sensors replaced but I 'm not sure if it is the rear ...

Visitor, 1999 Lexus GS300, 3.0L V6, Hinesville, GA

When should timing belt be replaced?

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1999 Lexus GS300 Reviews

Bought as certified pre-owned w/43k miles in 2002. Now has over 325k miles. Has been a great car. Needs work but cannot complain. Only real mechanical problems were a catalytic converter, a tensioner pulley bearing freeze-up causing belt to jump and a timing belt gear to break. The shop made some mistakes putting it back together on last item and bent some valves but fixed. All this happened after 250k miles. Lexus made a very good car.

Yeah I have a suggestion for the dirty car guy....clean your car! I detail mine once a week, and spot clean it everyday...sometime twice a day. I love my car and she loves me back

I have an 1999 gs300 with 139000 miles, the car is smooth and drive great but, i have a noise inside the dashboard. I already check under the car, the engine, transmission but, i can't hear nothing inside. This noise is driving me crazy and it just sound when i stop the car in traffic light or when i set my car in parkin. What can I do?

I have a 1999 GS 300 with 257,489 miles on it. It's been better behaved than most of my friends and has stuck with me through good times and bad. It smells like a cross between french fries and an old catchers mitt, which I like. My wife won't ride in it, hasn't for years, but my kids love it because they don’t have to be neat. I don’t know if I should get another one or try something different. Any suggestions?

Love the the car i drove the car to east coat with 144000 miles on it with 80-85 mph not even a single problem

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