Popular questions

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Hissing noise from bottom right side when accelarating
This may be a sign of a vacuum leak. High idle speed, stalling and hissing sounds are common signs of a vacuum leak. When a vacuum leak is present in an engine, this causes an excessive imbalance in the air/fuel...
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CEL purge valve manifold
Hello there, thank you for asking about your 2011 Mercedes-Benz C63 AMG. If you are suspicious, you may want to hire another facility for a second opinion. Each time the Check Engine Light was illuminated, there's a good chance the...
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How do i know if my alternator is bad? The car only clicks but won't start. The horn blows and the light works. I put in a brand
Alternators are tested using a voltmeter while the engine is running. If charging system output measured on the battery posts is around 14.2 to 14.8 volts (see your Service Manual for exact values), that represents normal alternator operation. During one...
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Interior door handle not working
Hi there. Your door handle is connected to a linkage which will disengage the door latch letting you out of the vehicle. If your vehicle's linkage inside of the door panel is broken it will not disengage the locking mechanism....
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Rough idle and hiccup back threw throttle body and causes smoke out breather
This is a common issue when what is called the idle air control valve is not working properly. This regulates air flow into the throttle body at idle speeds as it is mixed with fuel prior to being injected into...
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Brakes issue
The squealing might be due to the brake bad wear indicators contacting the rotors. That noise alerts you to the need to install new brake pads. Regarding the cost, there are a few variables affecting the cost. If you are...
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Replaced the purge valve solenoid in my Buick rendezvous now the car won't turn over
Hi there. Anytime you complete repair or replace mechanical components, it is critical to remove the battery terminals before any further steps. It is possible that if the battery cables were not removed, that you've burned a fuse or relay....
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Cannot adjust temperature despite changing setings on the control knob. Is this Standard?
Hello: It really depends on what type of car, truck or SUV you own as to how the temperature is controlled and distributed throughout your vehicle. Without knowing this information, it's very difficult for us to give you a precise...
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How Can I Extend the Life of my Tires?
Tires can be a costly part of the car owning experience, especially if you happen to be driving a large truck or SUV. Learning to recognize the signs that your tires are in good health or not is the first...
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Car accelerates without me pushing the pedal
The very first thing to do is to make sure the floor mat in the floor is not out of position and causing the gas pedal to be touched by the carpet or floor mat. If mat is deformed then...
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Can hear fuel injection inside car
If you hear a humming noise, you could have a fuel pump issue. If you hear ticking, then it could be multiple things from a faulty fuel injector, to an engine issue. A diagnostic inspection of the noise from a...
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Keep getting multiple misfire codes, normally different cylinders except on cylinder (0307), can this one be throwing off the rest
This may be a problem with the exhaust catalyst partly clogged causing excessive back pressure. There is a test where the O2 sensor is removed and the back pressure tester is put in the hole to see if the catalyst...
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Keep ECON on.
Hello there, if your 2016 Acura TLX will not stay in ECON mode there is a problem. If the ECON mode will not stay engaged the most common fault are a wiring harness fault, mode selector switch failure, or a...
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Issues with acceleration, no gradual change of speed
The engine may be having an issue with the variable intake runner control is sticking or binding or the variable valve timing is sticking. Both can be tested and diagnosed by a mechanic with the proper scan tool that can...
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Check engine light is on. Misfiring on Cylinders 3 and 4.
Before replacing all the coils and plugs you may need to have the engine decarbonized. The engine can have excessive carbon build up on the exhaust valves, cylinder head, and exhaust manifold. You should use engine combustion chamber cleaner on...
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Can a misfire cause engine not to start?
Hi there. This sounds like it could be an internal mechanical failure. Were there any other symptoms that started prior to the no start? How long has the check engine light been on with misfire codes stored? That white smoke...
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How much to fix a fan clutch
Hi there. The fan clutch controls how quickly the cooling fan spins against the radiator. The hotter the engine gets, the more the fan has to spin. If the fan clutch is not functioning correctly, the fan won’t spin at...
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Car not moving after driving for a while
Hello. If you are losing throttle response as you drive then that can be caused by a number of things. If the Check Engine Light is coming on, then the computer needs to be scanned for codes. If no codes...
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Poor acceleration and rough idling at times.
This may be related to a dirty or failing idle air control valve, or throttle position sensor. The idle air control valve is a unit that reads the air intake as it is mixed with fuel, prior to being...
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I can't get up to speed, the rpms ramp up, but the speedometer doesnt
This is a clutch that is slipping. Anytime your engine revs up and the vehicle does not increase speed the clutch is slipping. You may have a clutch disc that is worn. Otherwise there may be an oil leak from...
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Transmission in safe mode
It could be that the speed sensor is bad. The transmission will go into limp or safe mode when it loses one of its main inputs, such as the transmission speed or transmission range sensor. It may also go into...