Popular questions

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Undriven car's battery started, but ran rough
Hello there, When vehicles sit for long periods of time like this a few things can happen. The battery can drain, the fuel can lose its octane rating, and oil can pool in the cylinders. If the vehicle is misfiring...
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Transmission stuck in park
In order to shift out of park, the transmission module needs to see the engine idling and the brake pedal depressed. If one of these criteria is not met, then it will not let you shift out of park. There...
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Overheating car no leaks
The cooling system, including the radiator pressure cap, should be pressure tested to determine if there is a leak. Leaks can be outwardly visible (external) as well as hidden (internal) in a circumstance for example where the cylinder head gasket(s)...
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1992 GMC somoma 4.3 keeps burning fuel pumps as soon as they are put in
Fuel pumps rely on fuel for cooling and lubrication so be sure the tank is always kept at least one-quarter full of fuel. If there is a voltage drop on the supply circuit to the pump, that will cause high...
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My chevy hhr is having sluggish accerlation and knocking sounds in the front and rear wheels
Hello, thank you for writing in. The vehicle may be having engine issues, or it may be having wheel/suspension issues. The first thing to determine is if the noise occurs as long as the car is on, or if it...
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Fvcv
Hi Danny. Thanks for contacting us tonight. The fuel volume control valve (FVCV) is found on high pressure pump on most modern common rail diesel engines. It regulates the volume of fuel from the internal transfer pump to the high...
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A likely cause is a loose or worn suspension component. There are other possibilities but if you were to request a diagnostic that is where the investigation would begin. As far as whether the noise represents a normal characteristic of...
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I have a 97 jeep Cherokee thats has been running rough. It smells like gas when I drive for awhile and then this morning after dri
From your description, the cylinders are being oversupplied with fuel. If the fuel trims (from a scanner) are high negative, for sure there is too much fuel and a diagnostic would be required to determine why. Just as an example,...
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How does the vehicle security system work?
If your car is equipped with a vehicle security system rather than the Nissan Vehicle Immobilizer system, it’s important to know a few things about how it works. When properly armed, the system will flash the car’s lights...
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How do I check the engine coolant?
Coolant is just as vital for engine operation as oil. While it’s running, your engine creates a lot of heat. If left unchecked, that heat would eventually destroy the engine itself. Coolant is used to remove heat from the engine...
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No throttle response
If the vehicle was severely overheating, the heat could have damaged components including key sensors. At the same time the loss of power is diagnosed, or once there is a diagnosis, obviously the cause of the overheating has to be...
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Clutch goes to floor and now car dies when putting it in hear
I'm going to assume your car dies because when you manage to get it into gear, you can't feather the clutch to get going. This would be normal in this situation. The reason your clutch is acting the way...
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Driveline clunk and greasing the slip yoke
You can try using transfer case fluid as a lubricant. The transfer case fluid is just automatic transmission fluid. Using the lastest version of Dexron transmission fluid should work out fine. The service bulletin for drive line clunk instructs mechanics...
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Car cannot shift to reverse
It is possible this is caused by some dirt, grit, or other bit of trash in the valve body of the transmission. The valve body takes the mechanical selection of "Reverse" from the gear selector, and turns that into the...
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I put it into reverse then drive but won't go. in neutral it tried to back up, the gears lock even D in it just won't go forward
If the transmission was so low on fluid that it wouldn't operate in reverse, it could be that there is extensive internal damage. At 169 000 miles it's about time. But don't panic yet. There are a couple of things...
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Struts and shocks
You do have front struts and rear shocks on your GMC Terrain. If you are having any problems with your suspension, or need replacement struts, a certified mechanic from YourMechanic can come to your home or office to service your...
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failed emission test at Division of motor Vehicle
Hey there. The three different Check Engine codes you mentioned (P0420, P0133, and P0171) would need to be diagnosed first to see why they are stored in computer memory. You will need the mechanic clear the codes and test them...
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Car starts but dies when the gas pedal is pressed
Uh oh - this isn't good. It is likely that some of the contaminated gas may still be clogging other fuel system components, and needs to be chemically cleaned out - fuel filter, fuel lines, fuel pressure regulator or injectors...
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white smoke coming from exhaust
White smoke on start up is typically due to steam clouds, that is condensation in the engine and exhaust vaporizing. Only if the white smoke doesn't go away as the engine warms up and/or if this white smoke in the...
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Car shuts off suddenly - 1987 Mercedes Benz 560SL
Hey there. I would check to make sure your mass air sensor is cleaned out and that the intake air system is completely sealed. If the mass air sensor gets dirt in it from an air filter housing that is...
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2003 Kia Sorento harmonic balancer replaced but now acts like it does not want to start it turns over and it wants to start but it
You may have a problem with the crankshaft sensor and it was damaged when you replaced the pulley. Have the computer scanned for codes and see if getting a rpm signal from the sensor. Replace the sensor requires removing the...
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My 2003 Lincoln Ls is shaking I was told its my coils and that there is 8 of them they want to charge me almost 600.00 seems awfu
Shaking or vibration may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve may cause the engine idle to drop below the normal...
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Bolt problem
It is common for this to occur on this engine. It is typically due to corrosion caused by electrolysis. Once this occurs the bolt almost fuses itself to the metal around it. In some cases, using a penetrating lubricant can...
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How do i turn on the heated seats in a 2005 bmw 545i ?
Hi Travis. Thanks for sending your question to us tonight. You can find the instructions for turning on your heated seats by reviewing the owner manual. You can also click this link to access the manual online.
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Losing coolant but no leaks are found in the system and the radiator fan is not coming on.
Hey there. Let's start with the fan. The fan is controlled by the engine ECU and the fan relay. When the engine coolant reaches a certain temperature, the ECU tells the relay to turn on the fan. Likewise, the ECU...