Popular questions

Question
Will not shift and stuck in 1st gear.
Hi there. If the battery keeps going dead overnight, then there is a parasitic load applied to the battery. Charge the battery to a full charge of 12.6 volts. With the battery installed in the car, remove the negative battery...
Question
key won't turn in ignition - can't. start car - steering wheel locked
Hi there. From the description you have given, your vehicle's key not turning, is not a bound steering wheel lock. It could be, a worn key. Try another key, if available. Don't have a duplicate key made, from the key...
Question
Engine light was on it started with a slight knock on a cold morning. It didn't stop and it got worse.
Hi there. Depending on the sound of the knocking noise and where the noise is coming from on the engine will determine if the engine needs replaced or not. If the noise is near the top of the engine, then...
Question
Car overheating from lack of coolant.
If your car doesn't have enough coolant it will overheat. When it cools back down, top it off with water and have a certified mechanic perform a coolant pressure test to see where the leak is coming from. Common failures...
Question
My 2009 Nissan Altima feels as if it is vibrating when at stoplight occasionally. What could be the cause?
It could be that one or more motor mounts is getting tired. The Motor mounts are rubber to metal brackets, some of them have fluid capsules and they keep the engine in place while isolating the car from the normal...
Question
Shifting problem
What you are describing may be a result of a faulty speed sensor, potentially low transmission fluid or a even a faulty transmission control solenoid. As your vehicle travels down the road, the computer analyzes data being sent by vehicle...
Question
Idles rough at low rpm sometimes
A rough idle may be caused by many different things such as low fuel pressure, low voltage to the fuel injectors, dirty fuel injectors, a vacuum leak, a faulty Oxygen sensor or a dirty or failing idle air control valve....
Question
Fuel pump will not kick on and all the fuaes and relays are fine and its hooked up right, what is the problem?
You have a circuit opening relay behind the glove box and the EFI relay in the main fuse box in the engine compartment. You will need to have the complete circuit checked to see if they are supplying power. These...
Question
My check engine light came on and my car was diagnosed as needing a catalytic converter. Now, my car won't start.
Hello, thank you for writing in. The catalytic converter can cause a vehicle not to start. This would be an extreme situation where part of the catalyst inside has broken off and is clogging the entire exhaust pipe. Tap on...
Question
My coroll car's battery was dead and I started with Jumper but the accelerator is not working
Hi there. Depending on the year of your Corolla, it is possible that you have an electronic throttle control. If your battery was dead, and you replaced the battery, it may have damaged the Electronic Throttle Sensor or throttle control....
Question
Headlight malfunction
Hi, it is likely that you simply have a blown headlight on your 2009 Chevrolet Spark. There are low beam light bulbs and high beam light bulbs on your vehicle. Which bulb activates depends on the position of the headlight...
Question
I hear a light metal scrapping on metal as I drive only. It stops when the wheels stop. Starts again as the car moves and sounds
Hello, thank you for writing in. These are classic signs of a brake issue. There are several problems that may be occurring, and you will have to take the wheel off to get a better look. However, resolving the problem...
Question
Loud banging noise accelerating
Hello there, thank you for asking about your 1988 Suzuki Samurai. With the engine reassembled, full of oil running at the proper temperature, the noise can be tracked down. If the engine makes the same noise with the serpentine belt...
Question
Ignition off switch
Hi there - many newer vehicles - you don't indicate what year, make and model you have - provide this functionality as a "feature". The thinking is that if you haven't opened the door yet, the driver is still in...
Question
I have a Mitsubishi eclipse 2007 have 160000 on it, manual transmission, the oil regularly changed on time. The car have no engine
Clicking noises often originate in valve train components. The seriousness of the condition causing the noise varies a lot but can be determined in an inspection. The other issues you are referring to are electrical malfunctions. They would be resolved...
Question
Can missing wheel studs affect 4wd?
In most situations, I can't think of a situation where missing wheel studs will prevent you from engaging the four wheel drive system. If a piece of a broken wheel stud falls behind the flange, it can cause the wheel...
Question
Battery ?
On some car alarm systems, if battery voltage drops below a threshold, the alarm goes off. In your circumstance, you should have the battery load tested to rule the battery in or out as a possible cause. The security system...
Question
White smoke coming from tailpipe
Hi! The white smoke is a sign that the engines head gasket has blown and is leaking coolant into the combustion chamber. The coolant leaked into the hot combustion chamber then burns off in the form of white smoke exiting...
Question
Head lamp stays on
A few faults can cause the vehicle to have a headlight that remains on. The most common problems include a wiring short to power, switch issue, or the headlight itself. If you'd like to get this fixed and you're tired...
Question
How much to replace a camshaft in 2014 chevy cruze
Hi there. Replacing a camshaft is a major repair that our mobile mechanics don't offer through YourMechanic.com. Since the water pump is also damaged, it's possible the engine overheated; which may have caused additional engine damage. The excessive rust under...
Question
Oil level sensor
Hi, thanks for writing in. The answer is yes. When the oil gets oil and dirty it may start to thicken and cause a sludge to start to build up on components including the oil level sensor. Here is an...
Question
Why wont the fan start? Smoking near fan, cooling fan new but wont start. engine overheats.
Hey there. As you alluded, this is a sign of a bad cooling fan relay switch. The cooling fan relay switch comes on when the temperature reaches a certain level to help cool down the radiator. When this is faulty,...
Question
Hi Patrick, I was told by my machanic when my engine light sparked in that I need a oxegen sensor, and said that it has to be fixe
Oxygen sensors are tested using an automotive scope or oscilloscope. In your circumstance, if there are more than 100,000 miles on the sensor, the sensor output should be verified on a scope. The mechanic should show you the output waveform...
Question
After replacing instrument cluster a/c clutch will not engage
You may have pulled loose the connector to the a/c controls or if you did not have the battery disconnected blown a fuse. Since the cluster is on the computer network and the a/c is also you should have the...
Question
Car stuck in Park.
There is a high failure rate on your vehicles shifter assembly. Inside the assembly, there is a bright pink plastic cylinder that pulls the shift interlock spring. The problem is that the tab that holds the spring is very thin...