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GS300

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Question
The Check Engine Light is on
Hi there. There are a lot of things that can cause the Check Engine Light to be illuminated. A flashing check engine light is a sign of serious trouble. If the light is not flashing, then I would use a...
Question
My alternator reading that the solenoid is bad when I took it off and took it to the shop they did a test on the alternator in the
Hi. There could be several things going on here. The battery for the car could be going bad or already is bad, causing the alternator to read low voltage. The battery needs to be tested as well. The fuse for...
Question
Won't start
Hi there. From the description you have provided, the vehicle not starting, replacing the fuel pump and connector, driving and won't turn over, all sound like separate issues. It could be, the vehicle's security system keeping the engine from turning...
Question
One of the relays is clicking and draining the battery
There could be a parasitic draw involving the relay that is keeping it engaged. Lexus specifications for parasitic draw with the key off is approximately 50 milliamps. Anything over this amount indicates a parasitic draw. You could remove the fuses...
Question
My car was smoking on the driver side no leaks on the ground and it's not over heating
Hello. The best thing to do is visually inspect where the smoke is coming from. Replicate whatever conditions necessary to get the engine to smoke again, and lift the hood to see where it is coming from. Keep in mind,...
Question
Car is stalling - 1994 Lexus GS300
This may be related to a dirty or faulty idle air control valve. This is a unit that reads the air intake as it is mixed with fuel before entering the engine. This information is then relayed to the computer...
Question
Cost estimate for rear main seal replacement
Billing question for to replace the rear main seal (rear crankshaft seal) on a 2003 Lexus GS300 with a L6-3.0L engine.
Question
Soft drive feel is not there. I can feel the road 2006 Lexus GS300
Hi there - the GS300 comes with a multi-mode suspension - "Sport mode", which has a stiffer ride with less body roll for "spirited" driving, and "Normal mode" - which is more accommodating over bumps and irregularities. I suspect your...
Question
I have really bad shaking in my tires when I drive between 20 and 70 mph
Several things could be causing the shake you're experiencing: tires out of balance, defective/worn tires, worn struts, worn control arm bushings, worn tie rods, wheel bearings starting to fail, the list goes on. Start by having a local service center...
Question
Car normally runs great. I changed the MAP and it still shuts off at stop lights or when in drives through lights.
Hello. The first task is to retrieve the problem codes which are setting the Check Engine light. The stalling at intersections may be a dirty or malfunctioning idle air control valve, throttle body, or dirty fuel injectors. Certainly, the bad...
Question
Replacing fuel pump control unit
Hello, thank you for writing in. With the extent of the work you have done already, it leaves very few components left to consider. With that being said, take a few moments to verify that all of the repairs you...
Question
Where is the fuel pump relay located on the 2000 Lexus GS 300
The fuel pump on this vehicle has a relay in the engine compartment main fuse box labeled EFI fuse. The fuel pump is controlled by an fuel module in the left rear of trunk and this is powered by this...
Question
Brake Light are on
The brake light came on possibly due to low fluid in the brake reservoir. Check to see if the brake fluid is low. You may have brake pads that are worn down and should have the brakes inspected by a...
Question
Replaced brake light switch but still no lights when pressing on brakes
Hi there. Check the fuses/relays and replace as necessary. If the fuse is blown and blows again we'll need to investigate what is causing the circuit to overload. If the fuse checks ok, then check for supply voltage at the...
Question
My car has several misfire codes and does not run properly.
Hi there. What prompted you to replace those particular parts? Did testing reveal a fault? This year model, along with its sister IS models, up to 2011 had a service campaign for cylinder misfires. The campaign did not cover the...
Question
What is an estimated cost to replace the rear main seal?
Hi there. The rear crankshaft seal is placed along with the transmission; therefore, the process of replacing it requires the removal of transmission, as well as the clutch and flywheel assembly. This is a very involved job that should be...
Question
Car runs like crap at idle and cold once heats up runs better also says it misfiring on all cylinders
It is possible that diagnostic trouble codes have set and a mechanic should attempt to retrieve those first using an appropriate scan tool. If there are no trouble codes, if you were to request a diagnostic from YourMechanic, the protocol...
Question
Hi. I have a 1999 Lexus GS 300 and I wanted to know if you use OEM parts?
Hi there. The parts team at YourMechanic has gone through a rigorous filtering process to select the brands that are best suited for your car. Our parts catalog has a list of approved brands for each type of car and...
Question
94 lexus will not exceed 40 mph and very slow
Hi There, There are a number of things that may prevent your car from not exceeding 40 mph, such as a faulty transmission control module or potentially a failing catalytic converter. The catalytic converter converts toxic exhaust gases into less...

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