Popular questions

Question
I have a problem with my trunk on a Toyota Avalon 1998 I can't open it from the Handel in the fron or with the key what can I do
Hi there. There are a few things that might be causing this problem, from a damaged cable, actuator or even the lock itself being frozen or damaged. The best way to know for sure and to have the door unlocked...
Question
Alternator problems. Lights and horn don't work.
Your car is showing all the classic signs of a bad battery. I would recommend having a mechanic inspect the battery. They will start with the battery and have it load tested. When batteries get old they may not take...
Question
Sound system "hiss" when the car and radio are off
Hi there. Thanks for writing in about your 2011 Mini Cooper Countryman. The noise you are hearing likely is a design flaw on the stereo and speaker system as mentioned. Usually the bluetooth feature is what causes the hissing noise...
Question
Radiator takes water out in the top radiator hose is bone dry and water is not running through it
Hey there, thanks for writing in about your 2004 Buick Rendezvous. When the engine is cold, the thermostat will remain closed and keep coolant circulating through the engine to be warmed up faster. Once the coolant inside reaches operating temperature,...
Question
What causes the car to shake when the AC is on?
The a/c compressor will start to put a larger strain on the engine if the pressures rise above 400 psi. This can happen if there is a problem with the a/c cooling fans or the a/c system has a restriction...
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Engine is knocking - 2006 Dodge Magnum
Hi there. Most of the time, engine knocking or ticking is caused by low oil levels, metal to metal contact, or a belt that is loose or broken. A quick check you can perform is to check the oil level,...
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There is a rattling noise coming from my exhaust when my car is idling.
Hello, the exhaust system noise can be created from a heat shield (light tin type sound). Rattling could be from a hanger which support the system. A muffler and catalytic convertor can internally make a rattle type noise. The vehicle...
Question
My truck is making a grinding noise and having trouble in reverse
The first task would be to determine, based on whether you have a two- or four-wheel drive vehicle, where exactly the noise is coming from. If you have four-wheel drive, there are a number of possible sources other than the...
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Whining noise. 1999 Chevrolet Tahoe
Hi there. If you are only hearing the noise in those speed ranges, then you may have bad overrunning clutch needle bearings inside the transmission. In this case, the transmission will need to be overhauled and repaired. If you would...
Question
Check engine light on, codes for air intake temp sensor, catalytic converter, and knock sensor. Car is bucking when going uphill.
If the check engine light is presently on your most efficient option would be to request a check engine light diagnostic. The mechanic will resolve all codes and then re-evaluate your situation, that is determine if the engine still misses...
Question
ESP, BAS, ABS brakes, Check Engine Lights are all on. What could be the problem?
You will have to have the computer scanned to see what the code is stored in the memory. I'm thinking that this code may be for one or more wheel speed sensor problem codes. All the problems could be from...
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Problem was misfire cylinder 5 - replaced plugs, wires, ignition coil, MAF, PCV, now I have code P0174 indicating vacuum leak.
P0174 can set if: there is an air leak after the mass air flow (MAF) sensor, such as a torn intake boot, or bad intake manifold gaskets; a dirty or faulty mass air flow sensor; a faulty oxygen sensor, incorrect...
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My Lincoln MKZ Rear Left Lid Tail Light Tail Lamp , the brake light is out I need the part number to order
Hi Donald. Thanks for the question. Unfortunately, we typically don't look up parts by VIN number to supply you with a part number, as this is something that needs to be done by a dealership. I've forwarded your inquiry to...
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Crank but not start
Thanks for writing in about your 1990 Mercedes Benz E300. It sounds like the idle valve may be stuck closed and this could be why the engine only starts when the gas pedal is pressed. Due to the pressures generated...
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Why is my 2004 Honda Civic sputtering and dying after the oil was changed
Hello. This can be caused by a lot of different things. It can be from the oil issue. That could have resulted in an internal engine failure or an issue with the variable valve timing system. This system uses oil...
Question
Car is losing power and the temperature gauge reads high.
Hello. From what you've described, most likely, your engine has had a head gasket failure, perhaps because of a failed thermostat - which could cause the "temperature way up, then backs off" cycle you describe. A failed head gasket means...
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car wont start after freezing weather. have been putting water in radiator and now radiator wont hold anymore.
Hi there. Unfortunately, water is the enemy of a radiator and the coolant system; especially in freezing or below zero weather. Water will freeze inside the radiator, in coolant lines and inside the motor in most cases. As it does,...
Question
4WD is stuck in low range - 2001 Toyota Land Cruiser
Hi there, your 4WD problem is likely caused by bad linkage to the transfer case, or a bad transfer case shift actuator. Unfortunately, this is not a repair YourMechanic is able to offer at this time. Check with a local...
Question
How can i confirm the harmonic balancer is broken
There should be no appreciable run-out on the crank pulley and if a physical inspection of the balancer reveals damage, it should be replaced. If you do have a failed balancer, don't operate the engine because the imbalance and/or torsional...
Question
Thick white smoke coming out of tailpipe
Hi there. White smoke is an indicator that coolant is getting into the combustion chamber and exiting out the tail pipe. When you overheated the engine, the cylinder head gaskets blew and the head or block might have cracked from...
Question
Truck sounds very loud when I step on gas...maybe muffler? 2007 GMC Yukon
Hello - this new, louder sound level could be the muffler, catalytic converter, an exhaust gasket or one of the connecting exhaust pipe(s). I would recommend having an exhaust system inspection by a mobile, professional mechanic, such as one from...
Question
1995 Olds Cutlass Cierra LS stalls while driving
There are many potential causes for your concern. Stalling often means the vehicle is getting too much air or not enough fuel. It can also indicate a problem with the ignition (the crankshaft position sensor is a common problem on...
Question
Starter
Hello, thank you for writing in. Starting the car relies on the battery alone. If the battery is not producing the voltage and amperage needed to start the car, then the battery and the cables need to be inspected. First,...
Question
Power window, signal light and wiper malfunction after rain water got inside my car.
Hi there. Usually when electrical components inside the vehicle become wet, it will only take one exposed wire to short out a relay or fuse panel. There are several electrical components that operate all of these systems that may have...