Popular questions

Question
It has a rattling sound and once in a while it jerks and i have low oil level?
The rattling sound can depend on where the sound is coming from. This can be loose muffler mounts if coming from underneath the car or other loose engine component mounts if coming from under the hood or potentially loose suspension...
Question
I have a 2006 BMW 525i rough idle
What you are describing sounds like a dirty or failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...
Question
Will bad engine coils cause the car to not want to accelerate?
Faulty ignition coils can certainly reduce engine power. Ignition coils provide electricity (anywhere from 25 to 50,000 volts) to the spark plugs. That spark ignites the fuel mixture, which forces the pistons down and creating horsepower. With two faulty coils,...
Question
Error code p1516 with check engine and reduced engine power unable to drive over 30mph car is revving up put no power
The code P1516 is is for the throttle position sensor. It looks like the car's computer is putting the engine in "failsafe mode" to prevent the car from being driven much further. A technician would need to examine the system...
Question
VVT vs VCT
Mike, we are happy to clarify. VVT (variable valve timing) is a general term for the system that keeps timing of the valves, and is typically designed to work with the camshaft. A VCT (variable cam timing) can be considered...
Question
2004 chevy silverado 2500hd dies when put in gear after the engine warms up
Hello, thank you for writing in. Unfortunately, there are a large number of components that can contribute to this issue. The first thing you will want to do, regardless of a check engine light being present or not, is to...
Question
How do you change the default pairing code for the HandsFreeLink system?
The HandsFreeLink® (HFL) system on your car gives you the ability to make and take calls through the car’s voice command system and audio system. To secure the connection to your phone, a pairing code is provided when you first...
Question
Recommendation on most reliable cars
One thousand dollars for a car is not much these days. I have a '94 Toyota Celica I'm driving and I paid 350 bucks for it five years ago. However, I bought it from a customer of mine who was...
Question
no power to fuel pump
Hi - Check the ignition switch. You are going to have one wire from the fuel pump relay to the ignition switch. As you turn the key on, this is what powers the relay to turn on the fuel pump....
Question
Car has knock in the motor and won't start.
It sounds like your engine may be seizing up due to low oil. I would first recommend checking the engine oil to ensure its proper level. If the oil is low this could be your problem. If the engine is...
Question
Engine Oil
It is a bit unclear what the question is but assuming you are looking for an oil recommendation, it would depend on the driving habits and conditions the truck is subjected to. Since it has been 28k miles since the...
Question
Blower not blowing strong
Hi there. Check your cabin air filter as they get dirty very quickly. Open the hood and check the cowl area for debris which is where the air is brought in for your blower. Cycle the mode door through every...
Question
Why don't my starter come out after I took both screws off with the wire and both bolts top and bottom
The reason the starter will not come out after you removed the two bolts is because you have three bolts that hold the starter in. There are two on the top close together and one near bottom.
Question
Car makes a thumping sound on passenger side when going over 25 mph
A thumping noise is most likely coming from the tire. Have the tires inspected to see if something is in one of the tires or one of the tires has a broken steel belt. You should not drive the vehicle...
Question
Why are my wipers going off when I turn the turn signals on?
Hi, thanks for writing in. It appears that there may be an issue within the column. The controls for the wipers and turn signals are separate units, but are connected by a series of wiring within the column, and there...
Question
Why is the oil in my car disappearing?
Hello, your car is using the oil internally. This can be done by engine wear with the piston rings in the cylinders. The rings seal air and fuel in the cylinder, when they wear the sealing ability is reduced. The...
Question
I have 2016 promaster city I want to know how to silence the seat belt alarm
The seat belt warning will chime as long as you are not wearing your belt and the vehicle is moving. The procedure to disable the warning is similar in both vehicles you have mentioned. The best way to disable this...
Question
Where can you find the auxiliary power outlets?
You have two auxiliary power outlets in your car that allow you to charge things like cell phones and tablets, or even plug in a power strip or a portable DVD player. You’ll find them located here: The front...
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is it safe to drive my car when the electrical coupling assembly needs replaced
I am not sure too sure if you are talking about the higher voltage battery charge port for the hybrid battery or another component. But if it is I would have to see it to tell you if it was...
Question
Where is the TCC Solenoid location on a 97 cavalier?
The TCC solenoid location is in the front of the transmission on the top of the valve body (brain of the transmission) in the side pan. If you need further assistance with your TCC solenoid location or replacement, then seek...
Question
How do I customize the Exit Lighting?
The exit lights come on when you exit your vehicle while it is dark out. You can customize how long these lights stay on with just a few steps: 1. Turn on the infotainment system. 2. Press the CONFIG button...
Question
Drove with emergency brake on
While driving with the emergency brake on is not good, there is no need to panic. Driving with the emergency brake on for a bit is usually not an issue, but if you drove for an extended period of time,...
Question
Smelling gas and bad gas mileage
There are a number of things that can cause poor fuel mileage. A faulty camshaft position sensor is one of them. The camshaft position sensor is a magnetic sensor that monitors camshaft speed to regulate ignition timing and fuel injection...
Question
Feels as if the car is limping.
It sounds like a bent wheel or a bad tire. Have you hit anything in the road or otherwise? Inspect the tire to see if there are any irregularities. Sometimes the chords break in a tire causing a portion of...