Popular questions

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Cranks but won't start
Hello there, thank you for asking about your 2004 Chevrolet Impala. Your car has a leak which has to be pinpointed and repaired. If by chance the leak is in the head gasket, the head gasket will have to be...
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Car doesn't always start right away
Hello. There could be a few issues causing a crank no start condition. You could have a sensor that is failing when it gets hot like the crank or camshaft sensor. A failing ECT sensor can also cause a crank...
Question
Car struggles to start. Won't turn over.
You should have a technician look at the car to determine if it is an electrical or a fuel problem. You will need to remove the spark plug and get a spark plug tool to test for spark when you...
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99 Durango 5.9 46re replaced gov pressure solenoid still in limp mode. What do I do next?
Hi Jaunny. After you complete repairs, the error code that is causing the limp mode needs to be removed by a professional mechanic. Set up a warning light inspection and one of our mobile mechanics can help you out. ...
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Is it safe to remove a thermostat from my lexus car?
No, it is not safe to remove the thermostat in any car. The thermostat helps a car regulate the engine's temperature and is a needed component. If you keep having issues with your radiator bursting then a few things can...
Question
U-joints and tie rods bad.
Since you don't list your symptoms or reasons for thinking this, the best advice I can give you is to have your vehicle inspected by a trained professional. The technicians at YourMechanic will be able to diagnose and repair any...
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Loud metal screeching noise and vibration from pulley
Hello, thanks for writing in. For this particular vehicle it appears that the pulley and harmonic balancer are integrated into one unit. That means replacing either would be to replace both, as they are one part. If you would like...
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Hello. My heat will not come on. There is no leaks but my hose it hard as a rock. What could be the problem?
You need to feel both heater hoses coming from engine to heater core on firewall to see if they are hot? If not hot then engine thermostat is stuck open. If they are hot then you may have a bad...
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Something rubbing a hole in tire
Hi there. If there is an obstruction in your wheel well then that can come in contact with your tires and puncture your tire. It can possibly be a piece of bent metal that is coming in contact with your...
Question
Back light not turning on
There are many lights in the rear of the car; they are easy to test. The bulb is usually the problem. If it is not, then he circuit will need to be inspected. Check the fuse, check the socket, check...
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My vehicle won't start
Hello. I would recommend first disconnecting and cleaning the battery clamps and battery with baking soda and water. Once the terminals are clean then see if it will crank over. You may need to jump start the battery if it...
Question
Truck runs really rough, smells like antifreeze in the cabin, testing said it was O2 sensor, and there is an overheating, hissing noise
Hello. You can possibly rent a cooling system pressure tester from a local chain auto parts store. With the engine off, remove the radiator cap and pump the cooling system to no more than 10 psi. You will be able...
Question
What kind of generic oil can I buy for my car?
Hi There, As you may know, there are a multitude of engine oils on the market all claiming to be the "best" and prolonging the life of your car's engine. One of the main questions you will be asked when...
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My car has a problem with wheel vibration (while braking)
It does sound like your rotors are warped. The rotors would have to be measured to determine if they can be resurfaced, or if the rotors need to be replaced. You don't need to upgrade to aftermarket slotted and...
Question
Spark Plugs spark once
Either a failing crankshaft sensor or impulse wheel could be the cause of the fluctuating RPM reading. The crankshaft sensor signal is often used to start both fuel pump operation and start the ignition coils with the camshaft sensor setting...
Question
My 99gmc suburban backfires in the throttle body, won't start.
If you were getting a rattling noise in the lower front of the motor then you engine may have jumped timing. The timing chain may have been so worn that it jumped ignition timing between the crankshaft and camshaft. That...
Question
Fuel gauge stopped working.
Hello. This is likely a sign of a faulty fuel sending unit. This is a unit inside the fuel tank that measures the fuel level inside the tank and relays this info to the ECU which then transmits this to...
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I want to put a straight pipe with no muffler on my 2005 Chevy Silverado and keep the catalytic converter
Removing the muffler will not decrease the horsepower, but instead it will create less back pressure on the engine, making the engine breathe a little more. Make sure that the exhaust will not be too loud for the zoning laws...
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Stalling at low speeds and idle.
Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate and eventually stall. The idle air control valve is a small valve on the engine's intake system that...
Question
How to change battery cable connectors
Your Battery Saver Light comes on because your car is seeing a lower than expected battery voltage. When you see the light, your car will turn off certain electrical loads in order to save the battery from being unable to...
Question
Front end bouncing while turning from a stop
Hello there. Thanks for writing in about your 2003 BMW 745i. Many different faults can cause the vehicle to have bounce like this. The most common would be front struts, springs, tire balance, or a suspension arm. I recommend having...
Question
Engine is misfiring and the service engine soon light is on.
Hi there. If the engine is misfiring you would need to check the spark plugs and fuel injectors to see what is not working. If the spark plug has no spark, then check the spark plug wire for spark by-passing...
Question
Can 2 serpentine belts need replacing within 11 years and can the alternator suddenly fail without warning ?
Hello. There is a huge variance in manufacturer estimates of serpentine belt lifetime. This is understandable because operating conditions vary, vehicle designs vary and the belt material will degrade at different rates. You should get at least 50,000 miles out...
Question
Lights went out while driving
If fuses and relays are good, there are other possible causes. The ignition switch may have failed internally. If the circuitry inside the electrical portion of the ignition switch has a break or short, it can cut power to the...