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RX300

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Question
Catalyst not ready
Hi there. The powertrain control module (PCM) monitors the performance of emissions related systems in your vehicle. In the case of the catalytic converter, it looks at the signals from the oxygen sensors to determine catalytic converter efficiency. If the...
Question
Car making noise and stopping.
The problem you describe may be an engine or transmission problem by what you describe. However with out more information on where the noise came from and did the engine shut off or did the vehicle stop moving because the...
Question
Tire noise while driving
Several things come to mind. Have the tires always been noisy? did it happen gradually, or all of a sudden? Some tires are noisy even when new. Winter tires or aggressive all-seasons will be louder than a touring tire. Poor...
Question
Car clicking and not starting
Your symptoms are very similar to those found in the situation of a failing alternator. The alternator is driven by the engine using the belt drive system. This component is responsible for keeping the battery charged during vehicle operation; failure...
Question
Warning message on after replacing brakes
Your vehicle has two sets of brake pads. Front pads and rear pads. Depending on which ones were replaced, the other set might need replacing. The other possibility is that you have an issue with a caliper. If the caliper...
Question
Car shaking when driving
Fuel injector cleaner typically will not affect anything in cars as it is formulated for modern vehicles and is safe for all sensors. The issue may have started right after you added the cleaner, but my suspicion is that it...
Question
Gas pedal goes all the way down
Hello. This comes up often on this vehicle. It is typically always the transmission. When this transmission fails it will not function at all. If you check the fluid and it is dark or smells brunt, then that indicates high...
Question
Car not moving after shifting
Hi there. Your transmission consists of many different components. These mechanical and electrical components need to work in sync in order for your transmission to work properly. Your gear shifter may be moving, but if the solenoids internally are not...
Question
Alarm sounding when I turn key
Try inserting the key into the door and manually unlocking it three times to reset the alarm. If this is successful, attempt to start the vehicle. If this does not work, there is a problem with the coding of your...
Question
Muffler hanging from bottom of vehicle.
I recommend having a qualified mechanic, like one from YourMechanic, replace your severed exhaust pipe. The exhaust may have also damaged the manifolds of the engine and caused wiring damage to the exhaust sensors. The exhaust systems on these vehicles...
Question
What would you consider a good MPG for this SUV? I'm getting around 12 and I think that is very low.
Based upon experience, I would recommend the following in order: Have your throttle body and fuel system serviced. Clean your mass air flow sensor. Check your mileage afterwards. Look at having your oxygen sensors replaced (normally an 80 k interval)...
Question
Engine overheating and won't start
There are many potential causes for engine overheating, a failed water pump being one of them. Allowing your engine to overheat even once can result in catastrophic engine damage. It sounds like this is what may have happened to your...
Question
White smoke from the engine and smells of rubber with the knocking sound
My guess is that you have a leak somewhere, most likely a coolant leak. Coolant leaking onto a hot engine will immediately result in white smoke. Since you stopped the vehicle before all of the coolant was lost, the vehicle...
Question
Oil changed from 10w-30 to 5w-20 and there were loud clunking sounds in the engine
No, this is not because they put the wrong weight oil in - it sounds like they forgot to put oil in at all! Or possibly they left the drain plug loose and the oil dumped out as you drove...
Question
Engine has difficulty starting
If the vehicle starts you can essentially rule out a problem with the starting or charging system. So, forget the starter. There are numerous potential causes for the symptoms you are experiencing, but one thing that comes to mind is...
Question
Clunking noise that chages relative to changes in speed
Noises are best diagnosed firsthand, however, I can provide some guesses in regard to your noise. The first thing that comes to mind is a failed CV axle, which will often make a clunking noise upon acceleration. A worn propeller...
Question
Car intermittently won't turn over to start
This is most likely related to a fuel supply issue at start up. When you turn the key to on, your fuel pump is engaged and quickly (for a few seconds) primes the fuel system to get fuel to the...
Question
I replaced all pads and rotors. There is pulsating /grinding noise when I brake. Is it a reluctor ring or sensor?
Pull the fuse for the ABS system to disable it and then test drive the car (don't forget to re-install the fuse later). If the pulsating/grinding noise remains that means the ABS system has nothing to do with your...
Question
Why is my VSC light on?
This is related to your vehicle's traction control. VSC stands for Vehicle Stability Control. Your car is equipped with wheel speed sensors on each of the four wheels that monitor wheel speed while relaying this information constantly to the traction...
Question
My car is hard to shift, could it be a problem with the shifter cable?
The shifter cable is either broken or there are clamps that are not connected to the frame of the vehicle. Check the shifter cable for any looseness and see if the cable is moving. If the cable is mounted correctly...

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