Popular questions

Question
How many catalytic converters does my 06 ford expedition 5.4L V8 have?
You have two converters for each side of the motor for a total of four converters.
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Windshield wipers working intermittently, & sometimes won't shutoff
If there is a switch malfunction, it's possible that such could explain both faults. If the problem is not in the switch, then there could be a bad relay in the circuit (if so equipped), loose fuse, bad ground, and/or...
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What does the electric power steering system (EPS) Warning Light mean?
The electric power steering system (EPS) Warning Light is located on the instrument panel. When the light is illuminated, it means that the EPS system is not functioning properly, and the vehicle should be serviced. Tip Like all warning lights,...
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Engine oil pressure sensor replaced oil light came on after replacing
The oil pressure light will usually come on when a few things could be happening. Either the motor is in fact low on oil, the oil pump could be failing or not pumping oil sufficiently or the oil pressure sending...
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I hear a squeaking sound when I ride over bumps. Do I need to spray with wd40
Rubber bushings in the vehicle suspension will be damaged, and fail early, if exposed to petroleum solvents such as WD-40, engine oil and grease and so forth. All of these rubber bushings are designed to operate dry. If a bushing...
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Car lost acceleration, now it will not start.
Hello. When dealing with an issue like this, there are so many components that can effect stalling and starting that we need to start with the basics. Once of which is to simply make sure the battery is charged. If...
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Jerking reaction when accelerating
What you are describing sounds like an ignition problem or a lean fuel issue. I would start with checking items like the mass air flow sensor, O2 sensor, etc. since these types of items can affect air/fuel mixture controlling the...
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EPC Light is on - 2011 Audi A4
Hi there. While driving the vehicle and having the engine light begin to flash, then there is a major problem that is currently existing. When the EPC light comes on, there is an issue with the throttle pedal, throttle body,...
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How do I switch between the high-beams and the low-beams?
When your headlights are turned on, they are naturally in the low-beam position. You can turn on the high-beams to increase the strength of your headlights, but only do this when you are not around other cars, as the increased...
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No fuel getting to the engine. Replaced fuel pump recently.
Other possible causes of your lack of fuel issue could be the fuel injectors or an electrical problem. If the fuel injector fuse(s) are blown due to a wiring issue, this may cause your problem. A clicking noise can be...
Question
AC makes hissing noise and doesn't blow cold
The hissing noise is due to the A/C evaporator being starved of enough refrigerant. You will need to have refrigerant and dye added to the system and the hissing will go away. Then use a leak dye light (black light)...
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Permanent fix to steering wheel lock issue
Hello. You can indeed disable the steering lock system by removing the fuse, however you would need to get the vehicle started before doing so. The steering wheel lock system uses an actuator that moves back and forth to lock...
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Transmission not shifting properly
What you are describing is often a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer...
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My Buick LaCrosse won’t start, the ignition starts but the engine doesn’t run
If the engine turns over rapidly, as usual, but it won't catch and run, there is usually a problem in the fuel or ignition system. There are some basic tests that you can perform to check for spark and fuel...
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I just bought a 2014 Hyundai elantra and the oil pressure light flickers on and off only sometimes .Its Like in a blink of an eye
Excepting an extremely low oil level, oil pressure is not a function of whether the oil level is high or low. If the light is coming on, engine oil pressure may simply be below the minimum pressure requirement at idle....
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Misfire on cylinders 3 & 4 need to know the easiest way to fix it
The best way to resolve misfires on your engine is to remove the ignition coil and the spark plugs on the affected cylinders. If the spark plugs appear to be in bad condition I would recommend replacing the spark plugs....
Question
Deleting past paired devices from my honda accord bluetooth HFL
I have two recommendations that you might try in order to resolve this issue. The first is to check in your owner's manual. This manual provides very detailed information about the radio. Typically, the chapter with information on the radio...
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My car hesitates and I have to press on gas hard for it to kind of smooth on out.
Typically, what you are describing is due to an engine management fault(s) and such faults occur in ignition system components, the fuel system, and/or the air induction system. A possible first approach is to just simply make sure that the...
Question
Car cabin smells of AC refrigerant at times and now the AC is not cooling after about a month of filling it .
If you have detected a refrigerant and oil mist in the cabin, then an evaporator "area" leak is likely. However, any time there is one leak, the entire system should be pressurized (whether pre or post repair) and tested for...
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What would cause a spring kind of noise from the brake pedal of my 2017 Ford Mustang
Hello. Typically this is caused by the brake return spring of the brake pedal assembly. The spring itself will rub on the surrounding metal and cause this to occur. Most of the time the spring can be moved slightly or...
Question
I have trouble starting the vehicle every time I put gas in the car
As you may know, this issue is commonly related to the evaporative emissions (EVAP) system which is comprised of a few components, one of which you have already addressed, the purge valve. In some cases, when you have an air...
Question
I accidentally got synthetic oil instead of regular motor oil and only put in quart and a half. Will it mess up my engine?
Hi there. Today's synthetic oils are much different than in years past, so accidental mixing like you've described is not as damaging to the engine as in years past. However, I would recommend having the oil changed sooner rather than...
Question
When changing the car battery, do you "register" the battery to the car computer?
Hi there. Changing the battery has nothing to do with programming a battery. If the car was flat dead with a battery that lost all of the power because the dome light was on, then when jumped the vehicle will...
Question
I got pouring out as fast as I put it in the radiator it's on back passager side
Hello, thank you for writing in. The vehicle is likely leaking from a hose or heater core. There are several components on that side of the vehicle. Are there any signs of moisture inside the vehicle? If not you will...
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Car doesn't start, Can a bad gas cap cause this ?
Hi There, A faulty gas cap can certainly case the check engine light to come on, but will usually not cause performance issues. The shaking and lack of sound from the fuel pump may suggest that the fuel pump itself...