Popular questions

Question
What does the air bag light mean on the dash?
Your car’s air bags are important supplemental safety solutions; they’re not considered as important as your seat belts, but they’re directly connected to the system. If the air bag light turns on in the dash during startup, that’s normal. It...
Question
2008 Ford fusion, stalls out while driving
Re-flashing the PCM, or replacing the PCM, is the very last step in a many pages long diagnostic routine for the throttle body. Were all steps in the Ford diagnostic specified for the throttle body actually performed? If not, the...
Question
Hi I have a 2006 mercedes benz e350 how to reset the ESP light?
If there is a problem in the system, You will have to read the codes and correct the fault for the light to go out. However, If the ESP light has come on after you have replaced a battery or...
Question
The vehicle is 4wd drive and wont shift back to 2wd.
Hello there. You have one of a few possible things going on with your 1992 Mitsubishi Montero. If the gearshift shows 2WD and the vehicle is in 4 high, the most likely fault is either the transfer case shift linkage...
Question
Low idle in gear way to low, why?
Claimed by Tim Charlet
Question
AC not blowing cold air in 2003 Toyota Corolla
If the air volume is low coming out of the vents the likely cause is a clogged cabin air filter which should be replaced. This can happen especially if the cabin filter has not replaced in a long time. The...
Question
Hey I got this BMW I got code p0491,p0492,p0455
Hello. The grinding sound occurring on your vehicle is likely caused by the secondary air pump failing internally. I believe so because the codes in your vehicle P0491 and P0492 are both codes related to the secondary air injection system....
Question
Warning chime sounding for no apparent reason.
It sounds like the door sensor could be bad. I would have a technician look at it to determine if it is bad. Another problem could be the ignition switch. There is a common problem with the ignition switch causing...
Question
What is Bounce-Back associated with the power windows?
Your car’s power windows are certainly handy, but they can pose dangers to anything that might be sticking out the window while it’s being rolled up, including cargo and even hands (little kids love to keep their hands out the...
Question
My brake pedal is rock hard and extremely hard to press to get the car to stop...what might be wrong with it?
Your supposition is a reasonable one. That is, if there is no mechanical or hydraulic fault with the brake components, then the power assist is probably not working. The booster could be leaking, the internal valving defective, a bad check...
Question
Car shake when going over small bumps.
The suspension could be loose or have a broken bushing causing the control arms to move around or the shock absorbers are worn and causing the tires to bounce violently at highway speeds. If you need further assistance with your...
Question
Car is jerking forward when trying to come to a stop. Jerking started today after filling gas. Service engine soon light is on
Hi There, The check engine light is likely related to your gas cap not locking. This may also cause the jerking reaction as this is connected to the EVAP system in your car. Your car has a small purge valve...
Question
Can I use gasket maker as sealant for my oil pan?
Using gasket maker in place of an oil pan gasket works sometimes. However, what I recommend is using a the actual cork/rubber gasket with a thin coat of The Right Stuff brand gasket sealant applied to both the engine block...
Question
Won't start - 2007 Nissan Murano
Hello there, you have several issues going on with your 2007 Nissan Murano. No-start issues are common and the most likely causes are the battery, starter, fuel pump, ignition switch, battery terminals or the battery cables. Given that your...
Question
Can't get into gear after clutch and gearbox replacement
New gears in a new transmission will naturally be a bit stiff at first as the gears are freshly cut and have not been worn in as with the old transmission. However the issue of whining and not going into...
Question
There's no power to the third brake light
Hello, thank you for writing in. The center high mount stop lamp is wired separately from the other lights to minimize brake light failure. The next step is to trace the wire down passed where the lift gate connects to...
Question
How can I bypass the anti theft in my 1999 Oldsmobile intrigue
In many cases it is possible to bypass the Passlock system. If you want to try it yourself, there are a variety of published techniques such as that in these instructions. None of the ad hoc fixes are endorsed by...
Question
Car runs hot when idling
Hello! If a vehicle only overheats when sitting, it usually indicates that there is an issue with the radiator fans. It cools back down due to the rushing air that is created by moving, which momentarily acts as a fan...
Question
What exactly does the code P3fff mean?
Hi there. The code P3fff means that there is an issue with the PCM (the computer to the vehicle). The codes regarding gas recirculation flow and mass air flow are coming on either due to the PCM failure or due...
Question
My sunroof won't close
Hey there. The sunroof uses a motor and a track that opens and closes the sunroof. The tracks are usually plastic and can begin to lose teeth, which does not let them operate. In cases where the sunroof fails to...
Question
How does the rearview monitor work?
If your car is equipped with a rearview monitor, you have an important tool for increasing safety any time you back up your vehicle. The touchscreen in the center console is connected to a rear-facing camera that turns on whenever...
Question
Car overheating. Around town it's fine. At highway speeds, heater stops blowing cold, and car overheats
When the heater starts to blow cold, it could be that the coolant level is low, or it could be that the coolant is boiling and the heater core is full of steam. If there is a leak in the...
Question
rough idle when stop
I would recommend using a portable scope to look at the secondary firing patterns which will enable you to narrow down the issue to fuel versus an ignition fault. The problem you are describing could be due to a faulty...
Question
Transmission is missing output shaft speed sensor port
The problem in performing a bypass is it is illegal in all jurisdictions to bypass, or modify, any vehicle component for the express purpose of defeating mandated emissions testing. If the output shaft in the two transmissions is identical (including...