Popular questions

Question
My engine and exhaust are pulsing when my car is at idle.
Without knowing the exact setup done with the new carburetors I would suspect there is a carburetor setup issue and may need adjustments to the idle jets sizes since it may be running too lean or too rich at idle....
Question
When i am at a stop light or stop sign. Randomly my car will lose power and go dead.
Poor idle can often be caused by vacuum leaks. Any air that gets into the engine without going through the proper channels will lean out the system and cause problems like you are having. Look under the hood for any...
Question
No crank no start no communication with BCM
Does your vehicle have power on the purple wire at the starter? If you have power on the purple wire during cranking you likely have a faulty starter. If you have no communication with the body control module (BCM), the...
Question
HAVING PROBLEMS SHIFTING MY 2014 EXPEDITION XLT NOW THE POWER TRAIN LIGHT IS ON
Hello. A transmission that will not shift into park can be caused by a wide variety of issues. A few common causes are a faulty stoplight switch, a bad shift solenoid, or perhaps an internal transmission issue. The stoplight switch...
Question
Lost my transponder key. if i replace my ignition.cylinder do i need to program the new transponder key? 2003 Mitsubishi Galant
Hello - yes, if you do not have at least 2 keys that are already "recognized" by the transceiver, you must have the new keys programmed at a Mitsubishi service center or locksmith equipped with the proper equipment. If you...
Question
I have a 2001 5.4 Ford F150. The oil pressure light & gauge is on.
Hello there, many common faults will result in your oil pressure gauge reading only after a few minutes and the Oil Pressure Light being on in your 2001 Ford F-150. The most common fault that would cause this is low...
Question
Humming/whirring sound only when accelerating.
It is possible that you have a wheel bearing issue. It is usually worse when cornering in one direction and gets better when turning the other direction if it's just one bearing. The brake noise could be the return...
Question
Car loses power after several hours of driving
Hello there. This is not unusual with higher mileage vehicles. A few different faults can cause this issue, such as the fuel pump, alternator, low fuel pressure, plugs and coils, wiring fault or a battery. I recommend having a qualified...
Question
How does the outside temperature display work in a 2012 Toyota RAV4?
Your car has an outside temperature display that will tell you the temperature outside of the car. This can provide you with important information for your trip. It can display temperatures from -40 degrees F to 122 degrees F. If...
Question
What side is bank2 on a Infiniti G25 year 2012
Hi There, Bank 2 is the side of the motor on the driver's side of the car. If you need additional help with this, please feel free to reach out to us here at YourMechanic as we are always here...
Question
My 2004 Buick Rendezvous Service Engine Soon light is on. What does this mean
the check engine light comes on for the computer sensed a problem in the systems that it monitored. There can be many different reasons for it to come on from a loose gas cap to sensor failures. You will need...
Question
when i use emergency brake only one side locks up.
Hello. If the parking brake is only working on one side then you more than likely have an issue with the caliper on the non-functioning side. I usually start by checking the function of the caliper. I remove the wheel...
Question
How Does Ignition Timing Work?
Ignition timing is basically a coordinated dance between the ignition coil creating the spark and the rotational speed of the engine, which we call RPM (revolutions per minute). In order for the engine to produce optimum power with the least...
Question
2011 2.0 turbo Sonata, replaing the wastgate actuator with new one, des oem part need to be adjusted after installation? 4.0-4.2
Hi Ron. Thanks for sending in your question today. Like most OEM replacement components, an OEM wastegate actuator is set by the manufacturer to draw a certain amount of power and open at a specific amount of PSI. It's always...
Question
I just bought a new kia sportage, it did not have a power lift gate so I had the dealership install one but the liftgate will nott
If the power liftgate is a Kia supplied, dealer installed option then it will function using the Key fob. All of the details of such operation are set forth in the vehicle's Owner's Manual. The Power Liftgate will open if...
Question
Car engine sounds like vacuum cleaner.
The issue sounds like the timing belt is put on 180 degrees off making the exhaust the open when trying to start and the intake open when trying to compression. This will cause a vacuum sucking sound as the vehicle...
Question
Why do I have no acceleration
Hi There, It sounds like you are describing the symptoms of a failing throttle position sensor. The throttle position sensor monitors the throttle position of the throttle plate inside the throttle body in relation to your foot position on the...
Question
How do I turn on the automatic dimming side view mirrors?
The automatic dimming side view mirrors are a great safety feature. If your vehicle is equipped with them, then they dim your mirrors at night to keep headlight glare from getting in your eyes. To turn on the automatic dimming...
Question
My windshield wipers won't turn off on my Cadillac CTS 2005.
The switch contacts are welded (stuck) shut OR the circuit is being powered due to a wiring fault or some sort of short. It is also possible that relay contacts in the wiper circuit are stuck on, regardless of switch...
Question
My 98 Tahoe won't start
Is the anti-theft system (Pass-Lock) light flashing ? If so, there may be an issue with the ignition switch or the chip in the key. If the chip is not sending a signal to the system, it will not allow...
Question
P0236
Hello. Your vehicle is equipped with two boost pressure sensors. One at the front of the engine near the throttle body, and one at the rear of the engine. I would verify that the boost sensor you replaced is the...
Question
2013 Ford Fiesta overheating when ac is on? The air coolant has a peanut butter consistency & color?
Hi There, Overheating with the AC on is generally caused by a couple of possibilities. When the AC compressor is beginning to fail, this may incur an increased load on the motor as it works harder than usual to turn...
Question
What happens if my gas cap is loose?
If your gas cap is not tight then the computer will detect a leak and cause the check engine light to come on, or it may illuminate a "check fuel cap" light if your car is equipped with one. You...
Question
Timing chain tensioner oil leak 2009 Toyota Corolla
Hello - you are being misled. The timing chain tensioner does have a gasket that gets old and brittle over time and leaks. BUT - it is fairly accessible, is external on the engine, and can be replaced inside 2...