Popular questions

Question
Exhaust fumes leaking into the car
This concern could be caused by a cracked exhaust manifold. Is the Check Engine light on? If so, a certified, local mechanic, like one with YourMechanic, could diagnose the problem with a scan tool. Due to the poisonous nature of...
Question
Blown head gasket
Hi There, What you are describing sounds like the signs of a blown head gasket. White smoke or condensation coming from the exhaust generally indicates that you may have an internal engine problem, such as a head gasket leaking coolant...
Question
Key wouldn't turn in door lock and now won't turn in the ignition
You will need to try and get another key made. When a key is getting worn it will no longer release the lock tumblers. Try using a new key or a spare key if you have one. If not, you...
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How Do I Keep the Fuel System Clean?
Ideally, you shouldn't have to do anything to your car to keep the fuel system clean. However, our cars don't live in an ideal world. Probably the most common effect of burning gasoline in our engines is the buildup of...
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My transmission is slipping. If I replaced it while that solve my problem?
If the transmission is actually slipping, a replacement with a good unit should do the trick. But transmission problems can be complicated, especially with the current electronically controlled units, and diagnosis should be done by someone with experience in that...
Question
Car battery light on... New battery and alternator but keeps dying
Hello. If your charge indicator is on, this indicates a problem in the system. The charge indicator will have a resistor that is about 390 ohms when tested and if it is bad then may cause light to come on....
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Truck hard to start and seems to be a fuel injection problem.
The issue may or may not be the Fuel Injection Control Module, but the issue is certainly fuel related. I would recommend having your truck inspected by a professional who is experienced with diesel engine diagnosis. It is possible that...
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Car jumping when letting off gas
Greetings. Your described symptoms sound to me as the cause might be a broken engine or transmission mount. Gasoline engines generate a lot of torque and the mounting system keeps the engine and transmission under the hood! A weak or...
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Exhaust making noise.
You may need a new exhaust manifold that got warped or cracked. The pipes that connect to the manifold are known to rust out and break the manifold bolts.
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Coolant leak causing overheating.
The service engine light would have to be scanned to find the cause of it being on. The overheating can be caused by the thermostat stuck or the fan control system problem. Since the engine overheated the loss of coolant...
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Car overheating all of a sudden.
First I would check your coolant level. Let your vehicle cool down and look in your coolant pressure tank. It should have a mark that tells you where the full level is. If it is low you have a coolant...
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Valve gaskets need replacing.
Hi. Your cooling and oil systems would need to be checked for leaks. These are two separate issues. The cooling system should not be getting low, except for a very small amount over a six to twelve month period. The...
Question
Do I Need to Readjust My Car Mirrors Before Driving?
In one word, yes. Anytime that you get into a vehicle, check and adjust your mirrors as needed before you enter any roadway. This ensures that you can see clearly to the rear of your vehicle. We're talking about your...
Question
Front coil spring housing corroded and broke away
Hey there, thanks for writing in about your 1997 Mercedes-Benz E300. This is also related to your other question regarding the coil springs. As explained, the perch is a structure that supports the coil springs. Often times, when one or...
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My right blinkers are not blinking front and back and inside the cab
This fault can be caused by a faulty combination switch, flasher unit, or faulty wiring/connections in the turn signal circuit. Of course, be sure that both bulbs are not coincidentally blown out or that the bulb holder connections are both...
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2008 Kia Sportage oil pan replacement
Hello. Thank you for writing in. Replacing the oil pan can be tricky and time consuming. Often the engine or the transmission need to be moved or adjusted in order to access and work on the oil pan. Sometimes the...
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When coming to a stop i get a jerk on the drivers side.
If the jerking reaction is something related to pressing the brake pedal, this may suggest a faulty brake caliper. If your vehicle pulls to one side when you apply the brakes it typically means that you have a braking imbalance...
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Hey when the car idles it revs up and down by like 300 revs or so and also when the car is off it doesn't recognize its in park.
The issue is the transmission position sensor is not working properly and registering that the transmission is in drive, neutral, or reverse. Check to see if the transmission is going into park when the shifter is in park. If the...
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Why won't it start with a low battery and a good jump start connection?
Hi, thanks for writing in. Your battery may not have had enough cold cranking amps (CCA). The volts may be correct but if it doesn't have enough CCA, it will not start for you. Batteries that specify cold cranking...
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Truck not starting.
Your transfer case may have an internal issue or a shift linkage issue may be the cause. I recommend you have a qualified technician check to see if the transfer case is defective or you have just a linkage issue....
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Both handles on passenger door broken
The outside door handle is made of plastic and can be broken apart until you can get to the lever with a pair of needle nose pliers. Make sure the door is unlocked at the time you pull up on...
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Engine knocking.
The most common noise like this is the serpentine belt tensioner knocking noise. The belt and tensioner replacement is the most common fix.
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Truck shutting off when idling.
The cylinder heads on this engine are aluminum and are known to warp if the engine has been over heated or the cooling system was compromised or the head gasket fails. This would let coolant to possibly get into one...
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Power seat not moving forwards or backwards
Hi. The power seat has different motors that control the seat's movement. One moves the seat forward and back, another up and down, and another for tilting. All the motors work separately but connect to the same switch. The switch...
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Gearbox stuck in park
Hello! There are a few things that can cause the gearbox to remain in park. The most common is the brake switch - modern cars require the brake to be pressed in order to change gears. If the brake switch...