Popular questions

Question
Transmission was slipping. Could it be the VSS?
Hi there. For the speedometer to be malfunctioning, either the vehicle speed sensor (VSS) could be loosing signal or the gauge has a bad resister. Now, as far as the transmission slipping, check the transmission fluid level. If the fluid...
Question
Inspection and emissions
Hi there. It really depends on which US state you live that will dictate what is causing the Dodge Avenger to fail emissions. Some states have a safety inspection along with an emissions test; like Utah for example. Both need...
Question
Trying to install LED dome lights
This is a tough question to answer over a message. I really need to see what you have purchased and what the original looks like. From my experience, installing an LED light should be the same as installing another bulb....
Question
adding oil to full synthetic
Hello. There is no problem with you adding a conventional oil to your vehicle if it already has synthetic in it. The only thing that you need to make sure of is that you are using the correct weight oil...
Question
Jerking while driving
Hi There, What you are describing sounds like a dirty or faulty mass air flow sensor. The mass air flow sensor monitors air intake as it is mixed with fuel prior to being injected into the motor. This sensor relays...
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Transmission problem?
Hi There, What you are describing sounds like possibly low transmission fluid or a bad speed sensor or potentially a faulty transmission control module, which also controls the speed sensors. The transmission control module has various sensors such as vehicle...
Question
Feels like it has no power
Generally, the "symptom" you are describing reflects an ignition and/or fuel system issue including all of the many sensors that control these systems. An expert would use any DTC's (diagnostic trouble codes) to hone in on the issue and identify...
Question
Turned off won't start now it will crank but not start.
This can be a number of different issues for your 2008 Dodge Avenger. If the vehicle will crank, that is definitely a place to start. As you may know, in order for your vehicle to start, you need to make...
Question
What is the replacement cost for the rear axle on a 2007 Ford Escape
Hi there. The cost of replacement will vary based on what model the vehicle is and if it is all wheel drive. It will also vary based on where you have it done due to the labor cost and what...
Question
Intermittent high revving
Hello there, thanks for writing in about your 2004 Chevrolet Aveo5. While a revving engine is not a normal operation, there are a few common causes for this type of fault. The most common are a vacuum leak, oxygen sensor,...
Question
Driver front caliper rubbing rotor
The problem is you have not seated the bearing correctly onto the hub or the hub and axle got damaged when the bearings spun on them. If you cannot tighten the bearings down after putting the tire back on, you...
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Will it be okay if I switched my oil from synthetic to blended?
The effect on engine wear, efficiency of operation, and service life (i.e., engine service life) due to a switch to a blended synthetic oil from a full synthetic oil is probably not even "measurable". Full synthetics will be less subject...
Question
My car keeps stalling during idle. It has low RPM and hesitates while accelerating. There is also an engine knock.
There are several different issues going on with your 1994 Toyota Corolla. The lack of power, rough idle, and stalling are likely related. Common causes for these symptoms are bad spark plugs, fuel filter, fuel pump, coil, plug wires, alternator,...
Question
Heater still blowing cold air?
When cooling systems are re-filled (after thermostat replacement for example) air can get trapped and that trapped air can prevent normal circulation of coolant. That, and low coolant level, would be the first things to check. If no problem is...
Question
Smell of gasoline during driving on a 2003 Vauxhall Corsa
Start by watching my video "does your car smell of gasoline?" That will show you all the steps to do. But, in a nutshell, you'd want to check the gas cap to see if it's loose or leaking. You'd...
Question
Car overheating. Heating blowing cold air.
Hello, thanks for writing in about your 2003 Dodge. This is a good question. From what you've described, your car either has a clogged heater core or is low on coolant. I have had this issue before and once I...
Question
Reversed battery terminals
Reverse polarity, at the battery, in a 12 volt electrical system on a car can cause a variety of effects including damaging the alternator. As an initial step in diagnosing the battery warning light you can request that a certified...
Question
Very loud and distracting exhaust
The exhaust system on your Versa is very prone to corrosion and failure at the weld joints and internal muffler components. Nissan warranty coverage is basic and no recalls or technical service bulletins cover this problem. There are other owners...
Question
Slight misfire
Hi there. From the description you have given, the slight misfire could be caused by worn or fouled spark plugs. The slight misfire is apparently not being recognized by the vehicle's computer (the check engine light would flash and then...
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Vibrations in the stick shift and engine
It is very possible it could be a clutch/ transmission/driveline issue. Locating the source of the vibration, and ensuring it is not an engine peripheral is key. The fact that the clutch is not acting as designed almost makes it...
Question
Car won't stay crank
I would need more information in order to give you a precise answer. It is impossible to determine what is wrong with your vehicle with just this description, but there are a few possibilities that I'll list. The starting issue...
Question
Oil from transfer case vent
Hi, thanks for writing in. A leak in the transfer case can cause a lot of serious issues. Tracing it can be done several ways. The most efficient way for tracking an honest leak is typically a dye test. This...
Question
How to fix AC on a '95 Infiniti J30
Those Infinitis are electronic nightmares. All of that AC system is run by the computer. If you jump it and it works, watch my video. I even have a video "how to fix your AC system cheaply." Just get...
Question
Car radio
Depending on the make and model of the vehicle, the radio, clock, and dome ,lights may be on the same circuit and can be as simple as a blown fuse, or fuses. Sometimes there can be more than one fuse...