Popular questions

Question
Why does my car vibrate when 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
Car hard to turn with a new power steering pump 2007 Ford Taurus
Hi there - I suspect the steering rack may be worn out, and is binding. This would cause the hard steering you are experiencing, regardless of having a new power steering pump. I would recommend a steering system inspection by...
Question
Check engine light spontaneously comes on
Hi there, thanks for writing in about your 2003 Geo Tracker. There are numerous potential causes for the problem you are having. It could be anything from a bad spark plug to a failed sensor. The only way to know...
Question
Vehicle needs tune-up
Some signs that a tune up is needed include, rough engine idle, hesitation during acceleration, and poor fuel economy. A tune up on your particular vehicle would include spark plugs and an induction service. The induction service would remove the carbon...
Question
Bank 1 air fuel imbalance alarm car is misfire after it gets hot ok up till that time
Hi there. Check the spark plugs and see if the plugs have a good bold spark. If the plugs are not sparking, then either the plugs are fouled out or the ignition coils are not energizing. Check the fuel injectors...
Question
how much does it cost to change an alternator
Hi there. Quotes cannot be given through the ask a mechanic portal. I can provide you a link to schedule the alternator replacement. Your request has been forwarded to customer service. Please have your vehicle make, model, mileage, and VIN...
Question
mysterious oil disappearance
Hello. It sounds like your engine may be consuming oil. Blue smoke is usually the result of engine oil being burned in the combustion chamber. It may be possible that the piston rings or valve stem seals have begun to...
Question
Turbo producing white smoke
If it is going out and you get white smoke and you've gone to the intercooler and you see there is oil in it, that means oil seals on the turbo are going out. I would advise fixing it very...
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How can I best research the cause of smelling burnt oil from under the hood after drives over 20 miles?
If oil from the engine compartment is vaporizing, due to high heat, or "burning", the source of the leak is typically near or onto the hot exhaust manifold(s). There is also a possibility of hydraulic fluid, such as power steering...
Question
1999 VW Jetta Poor acceleration
The check engine light tells you that the Engine Controller (ECU) has detected a fault and stored a trouble code. So the best place to begin is to have the codes read and interpreted bu a technician. It's possible you...
Question
Blend door
No. The blend door actuator changes air to flow over the heater core or the evaporator and in between. If the actuator is stuck in one position toward heat, then you may not get heat but only fresh air moving...
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Grinding noise while braking - 2006 Porsche Cayenne
Okay, so with brakes, the concept is fairly simple and hasn't changed much over the years. You have a rotating disk and it is being squeezed on both sides by a pair of pads. If you are hearing a grinding...
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How to get rid of brakes noise when braking?
Hello! The material used in the brake pads can cause the brakes to be noisy when applying the brakes and sound like grinding metal-to-metal at times. This grinding may be more or less depending on the quality of metallic brake...
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Antifreeze problem
If you are having to periodically add antifreeze to the cooling system, there could be either an internal or external leak. That would include a "leak" through a faulty radiator pressure cap, which fault in the cap, if the fault...
Question
changing the glow plugs
The Mk 2 series 1.6l TDCI engines - up to 6/2011 build date have a 120mm length glow plug. The Mk3 series 1.6l TDCI engines, starting 02/2011 utilize a 114mm length glow plug. Diameter of the glow plug threads is...
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My speedometer doesnt work what could be the problem
Hi there. A speedometer is controlled by a few different components including the speedometer cable, speed sensor on the transmission and wheel sensors. Any one or multiple parts can fail, leading to the speedometer to fail. It's probably a good...
Question
Oil leaking all out under front end
It sounds like the oil pan ruptured or tore from an impact. The crankshaft is above the pan and probably is not damaged however there is an oil pick up tube and screen assembly in the lower oil pan area...
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Not shifting out of park to drive
The brake light switch or interlock solenoid are the possible causes of your problem. The brake light switch may be malfunctioning and not turning on the brake lights or disengaging the shift interlock. I suggest having a certified mechanic, such...
Question
Heater blows cold air
Hello. If the A/C won’t blow cold air, this is usually due to: Lack of refrigerant in the A/C system A/C compressor has stopped working Blockage in the A/C system It will first be necessary to...
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Charging
Hello, It sounds like you may have faulty voltage regulator that may not be allowing the alternator to charge the battery properly. The voltage regulator is a unit that regulates the charging of the battery by the alternator and maintaining...
Question
After replacing water pump, thermostat
Overheating has many causes. If you just added coolant after replacing the water pump and thermostat, but did not use the purge points to expel trapped air, that in itself could be the cause. Trapped air in cooling systems causes...
Question
Anti thrift lock on and want let car start
The Ford anti theft system requires a properly coded key for start and run this vehicle. If you have additional key then try to see if it works. If it does not then you will need to have a dealer...
Question
Above you give information for correction on the fuel cap, but where is the "next" button?
Hi there. The message is on for the fuel system is not able to build up pressure. Check the fuel cap seal and see if the seal is cracked or broken. A broken seal on the fuel cap will cause...
Question
Speedometer, revolutions meter, and miles counter not working.
Hello and thank you for contacting YourMechanic. It seems that there could be a ground wire that is loose under the dashboard. If the ground wires are all good and tight, then the instrument cluster panel needs to be repaired...