Popular questions

Your description of engine knocking at idle with your 2007 Ford F-150 5.4 Triton engine is a common complaint for owners of this engine. I recommend you have a certified mechanic, like one from YourMechanic, do some preliminary checks to...

In your circumstance, unless you have a "retained power accessory mode", obviously the components running off the accessory mode circuit are being powered at some point. The usual procedure is to trace the circuit using the factory wiring diagram in...

the coolant temperature sensor is located on the end of engine block above thermostat housing hose connection.

The clock is located at the top of the center console, and is very easy to adjust: Turn the ignition to ACC or On. Press the button to the left of the clock until the hour is set correctly....

You are right on track. You may be dealing with several issues at once. The first thing you should do for this starting issue is check for proper spark. You need to check with an actual tester, and do a...

Hi there. This problem can be caused by a few things. First, your vehicle may be having trouble getting fuel to your engine. This would mean that there is an obstruction in your fuel lines or your fuel filter. Next,...

If the car is overheating or the rate of coolant loss is so high that it will likely overheat, you should not drive it because overheating will damage the engine. The most common related services accompanying water pump replacement are...

Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...

Hi there: The idle is controlled by the idle control valve, mass air flow sensor, and throttle body of a fuel injected motor. Any of these components could be dirty, damaged, or have faulty wiring that is causing your engine...

The system requires the brake lights to turn on to unlock the shifter. If you check the brake lights and the lights do not come on then check the brake light fuse to see if it is good. If the...

The transmission is shifted using the shifter and connected to a cable to the transmission selector shaft then controls the transmission gear selection. If you cannot select a gear or vehicle rolls when in park then you need to have...

The knock sensor is the most likely cause of the P0326 trouble code. It is also possible that the wiring that goes to the knock sensor could have an issue but this is unlikely. The P0420 code is likely due...

Hi Peggy. Thanks for the question tonight. 2,500 while on the highway at 70 mph is about right. It is a little on the high side, but within the average RPM levels.

Hi Steve. Thanks for contacting us today. In most cases, these two codes (one from cylinder 3 and 4) are caused by a failed ignition coil or a faulty electrical connection. The first thing I'd do is double check your...

Hello. The Check Engine Light will come on any time that the computer sees a problem with the powertrain in the vehicle. In order to know where the issue is coming from I would need to scan the computer for...

Hello! Many things could result in a ticking sound when driving, from a fuel injector to the turning axle bearing. Any qualified mechanic, such as our YourMechanic experts, will be able to diagnose this issue for you.

Hello - there will be a small plastic cube under the dash which is the "beeper" module. Remove an knee pad to access this area, and both by sound and vibration, with the key in the "Run" position (seatbelt unfastened)...

The intake system may not be sealing properly or your exhaust is leaking. The engine would have to be checked and diagnosed by a mechanic. I recommend you have a mechanic, like ones from YourMechanic, to come by and inspect...

Hello, I will address the issues as you present them. For the whirring/humming, I recommend having this noise heard by a mechanic to have it diagnosed correctly. Noises are a hands on job, so they must be experienced firsthand to...

The Hyundai owner's manual specifies a wide range of oil viscosities for this vehicle. See page 6-5 at the foregoing link for full details. Overall, you will be OK with 5W-30. Synthetic oil is always preferred. The stalling could be...

Hello. The "Check fuel inlet" message comes on when the computer detects that there is an issue with the vehicle's EVAP system. The EVAP system is an emissions system that collects fumes from the gas tank and recirculates them into...

Hello, the radiator drain plug will be a the bottom edge of the radiator, facing the engine (passenger side). If you drain the coolant, be sure to catch it with a pan of some sort, and properly dispose of it....

The downstream oxygen sensor (post converter) monitors the efficiency of the catalytic converter. If there is no downstream sensor after the second converter then the P0420 code cannot arise from a fault there. Exhaust leaks have to repaired anyway, due...

Hi There, If the sputtering only happens when the engine is cold during warm up, this may suggest you have a problem with the cold start injection system. When you start your vehicle in the morning and turn the key...

The automatic locking feature keeps the seat belts pre-locked. This feature should be used anytime a child is riding in the seat. To engage and disengage the automatic locking mode. Buckle the seatbelt. Pull the shoulder portion of the...