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Starting problems - 2004 Lexus LS430
Hi there. This sounds like a case of a failed alternator & battery duet. Many times these can fail within close time frames of each other and are usually recommended to be replaced together so that it has a new...
Question
My car's gear won't shift. Only neutral works. I just changed the transmission fluid.
Hello and thank you for your question. When you changed your transmission fluid, you need to ask yourself what the color of the fluid was when it drained out. If the fluid was very dark or black, then when putting...
Question
Engine turns but won't start - 2001 Mercedes-Benz ML430
Hello and thank you for your question. Check for the three essentials that the engine needs to run. Check for air in the engine and make sure that the air filter is not plugged up. Check for spark to the...
Question
mesfire 5 cylender detected
If your vehicle's cylinder 5 is misfiring it is likely that the ignition coil or the spark plug is having an issue. I would recommend hiring a qualified professional to inspect the spark plug in the ignition coil as well...
Question
Vehicle wont shift out of first gear, only first and reverse gears work
Hello there, a variety of faults will cause your 1999 Mercedes ML430 to not shift out of first gear. The first step in any transmission or shifting issue is to check the transmission fluid level, condition, and color. After the...
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Is it expensive to change my crank sensor?
Hello. Most of the time when this occurs on this vehicle it is caused by a failing crankshaft position sensor. These will fail intermittently on this engine and cause these same symptoms. It can also be an issue with the...
Question
Car leans on rear passenger side
I beleive that this vehicle has air suspension on all four wheels. If your vehicle is sagging on only one corner of the vehicle, it is likely that the air strut on that particular corner has a leak. The air...
Question
Why does my car lose power at 20 miles an hour and 60 miles an hour and my check engine light goes on and off
Hello. It sounds like you may have a sensor issue going on with your car. Most of the time when something like this occurs it is caused by a throttle position sensor that is not working properly. It can also...
Question
Car is leaning on driver side of a 79 oldsmobile is it the shocks
In most cases when the vehicle is leaning to one side it is due to faulty shocks, damaged shock mounts or body mounts. If you're noticing extreme bumping as you're driving down the road, especially on the side that appears...
Question
My 2001 ML 430 Mercedes Benz ran out of gas I put gas and now it does not want to start
Hi there. What happened is the fuel system got air in it causing a vapor lock on the injectors and the pump will not pick up the fuel due to the air bubble in the fuel system. First, make sure...
Question
GRINDING NOISE WHILE BRAKING
This may be a sign of warped brake rotors. As you may know, when you press on your brake pedal, this activates a hydraulic pressure which forces small pistons inside your brake calipers to push the brake pads against the...
Question
Repair Fee
Hello. In order to provide you with any sort of repair fee cost or estimate, we would need to know specifically what it is that is wrong with the vehicle, or what you need done. An SC430 is an upscale...
Question
Part fell in engine are
Typically, a magnet is used for retrieval. There are commercial retrieval tools, for example sold at Sears or Autozone. However, if you have a compact, powerful magnet at home, you can take a piece of long wire (12 or 14...
Question
Key fob wont engage in ignition
If you are referring to the actual "key" portion of the key FOB assembly and not the security component, if the key cannot be inserted, the ignition key cylinder is damaged. Of course, be sure that the key itself is...
Question
Procedure to replace lower ball joints and sway bar links and torque specification for all the front end components
Hi there. To replace the ball joints you would need to jack up the vehicle and put it on jack stands. Remove the tires, calipers, and brake rotors. Then put a jack under the lower control arm and remove the...
Question
Ignition key will not turn
The simplest answer would be that the wheels are turned sharply and there is pressure on the column lock preventing the actuator from moving.You should be able to move the steering wheel slightly in one direction or the other. Give...
Question
How can I tell if the motor mount needs to be replaced?
Hello. This problem may or may not be detected visually—excessive engine movement may be seen while idling—or by feel—engine movement can cause contact with the chassis or something else on the car, which one can feel. The motor mounts on...
Question
Over heating
Hello. Thank you for writing in. It sounds like you need to replace the thermostat housing, and possibly the thermostat as well. The temperature gauge on your dashboard is commonly misunderstood. The thermostat and temperature gauge will only give you...
Question
Oil Change
Your Lexus GS430 takes one oil filter and requires 5.5 quarter including the oil filter. The manufacturer suggests using 5W-30 synthetic oil. I would recommend having an expert from YourMechanic come to your location to perform an oil change service...
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While driving, I heard loud squeaking noise. I pulled over and saw white smoke and pink coolant all over the ground. what is this?
Some of the coolant has come out of the engine, of course, because there is a leak. Your mention of a loud squeaking noise makes me think water pump, as in seized water pump, however there are other possibilities so...

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