Popular questions

Question
My check gage light turns on and now my check engine is turning on as well. What can be the issue?
Hello. Are the warning lights turning off and on? This may be a sign that the issue is intermittently showing itself and the scan may have done when the code wasn't triggered. The computer is constantly running tests and can...
Question
I accidentally put diesel in my Mercedes gas tank.
How much damage you did depends on how strong the mixture of diesel was and how far you drove. If the tank was nearly empty you may have messed some stuff up. Getting the car running may not be a...
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Car won't start, possibly due to electronic steering wheel lock
Hello. I usually start by having the battery load tested. Though the battery may seem fine, it may be failing internally. If the battery is fine, then the alternator will need to be checked. I am suspecting that the battery...
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Air idle control valve bad? Loss of power and sluggish
You should have a second opinion on the part that needs replaced. The engine has a throttle body that is electronic and controls power. There are other sensors involved that can control the loss of power. You should have the...
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Trunk will not open
The trunk on your 2011 BMW 328i most likely has a power open button. If the battery is not in the vehicle, the vehicle has no power and therefore electrical components will not work. The best recommendation I have for...
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How do i know if my voltage regulator is bad
This may be related to ether the alternator or the voltage regulator. I would suggest having the alternator checked to determine if it is receiving the proper amount of voltage from something called the voltage regulator. The voltage regulator regulates...
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P0018
Sensor output has to be directly tested (or the data/waveform viewed on a scanner) and determined to be faulty prior to replacement. If the sensor happens to test good then, the cause lies elsewhere. Code P0018 can set due to...
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Error code P144C.
This code refers to the purge valve on the charcoal canister, this valve is supposed to be closed until the pcm opens it, if the computer doesn't see flow through the valve when is should it will set this code....
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How do I use the Aux port?
You can use the Aux port to play music from an external device through your sound system. When you use the Aux port, the sound system volume control will still work, but all other features must be controlled on the...
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install ac in a no ac car
To convert a vehicle that did not originally come with air conditioning to a vehicle that does have air conditioning can be VERY difficult. I would only recommend doing this on maybe an older classic car. Starting at the heart...
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4WD will not engage
First, if there are any other lights on the dash, (such as the VSC, ABS etc.,) the 4WD module may not allow the 4WD to engage. As for the symptoms that could be causing this condition, it could be: ...
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I replaced my DRL on my 2016 Jetta but the indicator light is still on
Hi Tony. Thanks for submitting your question today. If the Daytime Running Indicator light is still illuminated after completing these repairs, then it's likely that an error code is stuck in the ECU and simply needs to be removed by...
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The title has "not actual mileage" written on it. Now it is hard to sell. Anyway to have mileage confirmed?
This is something you will need to handle with your local DMV office. Unfortunately, we are not allowed to advise on legal matters related to titles on vehicles.
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When my speed reduces to around 30 mph, I feel a semi heavy jerk.
Hi there. This is a normal condition to the vehicle. As the transmission wears and gets lots of miles on it, it will tend to make the downshift solenoid work harder and the return spring gets weak. Also, if the...
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2006 Pontiac Grand Prix GT reduced engine power.
Hey there. The reduced power light typically indicates a fairly serious problem with the throttle system. When this light illuminates the vehicle will often go into a “safe mode”, which will severely limit the speed of the car and in...
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What is the difference between a pinion seal and a pinion flange?
Hello there, thanks for your question. The pinion flange is a part of the rear differential housing that the driveshaft bolts to. The other end is attached to the pinion gear inside of the differential. The pinion seal is what...
Question
The Traction Control Light is staying on and it won't go into overdrive
Hello. The computer will keep the vehicle from going into overdrive and turn on the traction light if it detects a problem in the system. This can be caused by a steering sensor or a wheel speed sensor. It may...
Question
How do I set the interior lights?
The interior light switch is located on the ceiling, above the center console. This switch has three positions: On (interior lights are on), Off (interior lights are off), and DOOR (interior lights turn on when a door is opened). Manually...
Question
Put one cup of Rain-X in engine coolant will it harm it? 2013 Dodge Grand Caravan
Hi there - while this may not cause overheating, it will not improve cooling as you intended. Rain-X(R) causes water to bead up on a windshield - that is - to NOT stick to it. You want the opposite in...
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I accidentally put E85 gas in my 2017 Toyota Corolla. My check engine light came on the next day. Have I done irreparable damage?
You most likely will just need to drive it until you are low on fuel and refill with correct fuel and then have the check engine light codes cleared. Or you can have the fuel sucked out and refilled with...
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How do you use the interior light?
The interior light in your car provides important illumination when entering or exiting the vehicle, but you can also turn it on while you’re inside the car. Maybe you need to find the cell phone charger you dropped – the...
Question
Limp mode was on and I turned off the car. Now limp mode is off but the Check Engine Light is on.
When the car goes into limp mode, generally the reason for this is related to a critical component or sensor detecting a problem that may cause serious damage. There are existing codes in the computer which have been registered as...
Question
Four wheel drive light indicator came on, vehicle won't start now.
Hi there. Check the fuse box and see if any fuses blown out when replacing the low beam indicator. If all of the fuses are in good shape and work, then check the wires on the switch and see if...
Question
Cost of an engine swap.
Replacing an engine does require some extensive work that can take some time. The cost will vary by shop as each shop has a different labor rate per hour. If you know what the labor rate of a shop is...