Popular questions

Question
Car idles rough with AC on - 2008 dodge avenger
Hello, thank you for writing in. There can be multiple problems with the vehicle causing your issues. First, we need to take a look at the drive belt which sends power to the AC system from the engine. When the...
Question
While driving the oil light comes and then the engine light and the car stops...I turn the car off and on and it resumes to work
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...
Question
Reduced engine power light is on 2003 Chevy Tahoe I need a new battery can that be the problem
A defective battery can cause all sorts of running issues due to voltage is too low or high causing erratic sensor and component performance like low fuel pressure or lack of power. I recommend replacing the battery first if it...
Question
Belt squeaks on start-up when cold or damp outside but squeak only last for few minutes
You should have the belt and tensioner checked to see if the belt is worn or stretched beyond its limit causing the tensioner to not keep it tight and allowing it to slip when damp or wet. Remove the belt...
Question
What does the park brake engaged warning mean in the message center?
Your car’s message center can provide you with a lot of important information about the various systems on your car, their condition, and more. If you see a warning message that says “Park brake engaged,” it most likely means that...
Question
Could bad or contaminated gasoline damage an ignition coil?
Hi there. Although bad or contaminated fuel can cause drivability concerns, it cannot physically damage the ignition coil. Ignition coils convey extremely high voltages with magnetic fields controlling them. Over time, coils simply wear out without warning; some with warning,...
Question
Stalled while driving on highway now won't start turns over but won't start
Hello There, Stalling at high speeds as you describe can be related to many different things such as a random electrical failure or potentially a fuel supply issue. Since the truck does turn over and fire, this suggests you are...
Question
My negative battery cable start smoking when the car is running.
There is a faulty, high resistance (often due to corrosion, wire defect or break or loose mechanical connection) connection at the battery post and/or at the vehicle ground(s) at the frame. The recommended and safest practice is to replace the...
Question
Car won't start even after I replaced the fuel pump.
If the fuel pump has been replaced and your issue is still fuel related you may have a clogged fuel filter or malfunctioning fuel injectors. If all of these parts are known to be functioning properly the issue is likely...
Question
Where is the neutral safety switch located on a 2005 Chevy impala
The switch is mounted on the top of the transmission case and is visible as you look down into the right rear portion of the engine compartment (as you stand facing the front grille). It will be roughly below the...
Question
Rock knocked out my AC, is it bad quality?
Honda knows about this condition on the Odyssey model (along with other models) and there is plenty of evidence on this issue. The issue is that a small rock (pebble) is able penetrate the front grille at a sufficient speed...
Question
Car shaking when driving
Hello! There are a few reasons in which a car may experience shaking. However, the most common cases are caused by suspension faults such as bad axles, bent rims, or tire imbalance. I strongly suggest having the suspension inspected to...
Question
Check charge system
Hi There, You may have a failing voltage regulator that could be allowing the alternator to supply too much or too little amperage to the battery resulting in the battery never maintaining a consistent charge as it is designed to....
Question
Squealing coming from brake power booster/check valve?
Hello - your problem sounds like a failed vacuum or fresh air valve in the power brake booster, or possibly a ruptured diaphragm in the booster. And, you are correct that this failure will not lose brake fluid. I would...
Question
I have a 2015 chevy impala, my key is stuck in ignition, car will not turn over but key goes forward and back, steering wheel is n
Hi there. When the key is stuck in the ignition cylinder, it can be caused by debris inside the cylinder, the key being slightly twisted or the cylinder being damaged itself. It is also possible that a different safety system,...
Question
What's the usual labor hours on a mastercylinder and slave cylinder replacement
To replace both cylinders takes roughly 8 hours. You can get an exact quote, both as to labor and parts, by using YourMechanic's on-line estimator for clutch repairs. Note that sometimes the problem is just a hydraulic leak, for example...
Question
My transmission is knocking really hard when accelerating. I can feel it right under my middle console.
This problem is most likely caused by a rapidly failing driveshaft coupling (or "guibo"). These couplings are actually rubber doughnuts, with steel couplings for attachment to the transmission and driveshaft, transmitting power to the rear differential. The rubber portion of...
Question
AC temp knob won't turn all the way to cold.
Hello. Your blend door is the part of your vehicle that is responsible for blocking off hot or cold air depending on the preference of the driver. The hot or cold knob on your climate control system is connected to...
Question
Car won't go over 2rpm or 15mph after it died. Have a clue what it is?
It is possible that your battery is just too weak at this point to handle the extra power that higher RPMs demand. More power is required for the fuel injectors and ignition components. Try charging the vehicle for a long...
Question
My ac went out can I bypass the ac pulley with a shorter belt
Yes, this is possible. However, unless it was the AC compressor clutch and pulley which failed, bypassing the AC pulley is unnecessary. Simply disconnect the wire to the AC compressor clutch and that should do the trick. The AC clutch...
Question
Can you rotate and balance tires at the home?
Yes and no. You can rotate your tires by simply removing the tires from the vehicle and swapping them to different corners of the car. The tire balancing however requires a special machine to measure where the heavy spots are....
Question
I put vin # in and was wanting to know if my car is FWD
Your vehicle will either be front wheel drive or all wheel drive. Your vehicle will have a sticker on the back or side that says AWD. If you do not have a sticker, then you have a FWD or front...
Question
How does the security system work in a 2012 Honda Accord?
If your Accord has a security system as a standard feature (all but LX models), you have built in anti-theft protection. The system is designed to flash the lights and honk the horn if someone tries to enter the vehicle...
Question
How do I fix the timing when it has jumped timing
There is no easy way to correct a jumped timing belt. You will need to disassemble a portion of the engine to gain access to the belt tensioner, so you can move the belt back into position. I suggest replacing...
Question
Car loses power steering when turning in the rain
Hi there, thanks for writing in. The issues you're experiencing are commonly caused by an exposed wire that is shorting when introduced to moisture or ignition problems that temporarily shut down electrical power to important components. The power steering on...