Popular questions

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Car idles rough, gas smell - 1988 Mercedes Benz 560SL
Check to see if the air filter housing has been sealed properly and that the mass air sensor has not been damaged by dirty air getting by the air filter assembly. If it has, then replace the mass air sensor...
Question
Air conditioner not working.
The A/C and heat are two separate systems, so usually I would look at the blower and its circuit. But since you say the blower is working properly, I suspect a problem with the blend doors or possibly the automatic...
Question
Transmission not shifting
Hi There, It sounds like you may have two issues going on here. The whistling sound is likely a part of the air intake in the motor. Try opening the hood and throttling the motor a bit to see if...
Question
How do I use the power window lock?
The power window lock locks all of the Power Window switches from working, except those on the front doors. This is an important safety feature that keeps children from opening the windows. To lock the power windows, press the Power...
Question
When I am accelerating, my car makes a squealing noise
You should have the serpentine belt checked to see if belt is in need to be replaced or tensioner is causing slipping of belt. If it is replace tensioner and belt.
Question
Car jerks when no gas applied
Hi There, What you are describing sounds like you may have a dirty or faulty idle air control valve. The idle air control valve is a small valve on the engine's intake system that reads the air intake as it...
Question
Loud clanking noise between front belt and fan. Fan appears loose 2003 Mercedes ML350
Hello - while it is possible that there are simply loose nuts/bolts for the fan, it is most likely the fan clutch is failing, hence the wobbling fan. I recommend a fan clutch replacement as soon as possible, performed by...
Question
Engine sounds louder than normal
Hello, thank you for writing in. The rumbling is likely due to the new tread on the tires. They are gripping the road much better than the old tires were, and you are hearing it when driving. The tire noise...
Question
Engine Stutter On Acceleration
It's likely that If you were to scan the engine controller, (ECU) you would probably find several misfire codes. The misfire codes can indicate specifically which cylinder if malfunctioning. Your model car has a history of coil and ignition module...
Question
does cold weather affect what type of oil i use?
Hi Thomas. Thanks for contacting us today. Cold weather can impact the smooth flow of oil. However, today's modern synthetic oils are much better equipped to handle freezing and extreme temperatures than in years past. As long as you continue...
Question
When I first start my car in the morning it has a squealing sound till its warmed up.
Hey there. The power steering pump is a possibility. Also the serpentine belt and/or tensioner can be bad. Prior to starting it, spray the belt with water or very lightly with something like WD-40. If it doesn't squeal, then try...
Question
How Do Transmission Filters Function?
A transmission filter is most commonly a thick, flat, paper element that is enclosed inside a plastic housing. The filter housing sits in the bottom of the transmission fluid pan where it is fully submerged in transmission fluid. The transmission...
Question
Key Fob push start not working
Hi there. If you're able to lock and unlock the doors on your Chrysler with the FOB, then the issue with starting it is probably related to either the ignition switch or the ignition relay. If you tried to jump...
Question
RPM increases but can't go over 45 mph, after putting in transmission fluid
Your transmission is slipping. I would have the transmission checked to see if the transmission fluid is low or overfilled. Why did you have to put in fluid? Did you have a leak? The transmission may be low on fluid...
Question
Truck cranking, but not starting.
To see why this truck will not start you will need to see if it has lost spark or fuel. You have replaced most of the ignition system except the ignition module was not mentioned. This would cover the ignition...
Question
brake lights not working, cant shift out of park
The brake light switch is the most common failure that would make the brake lights inoperative for your car. However, a mere blown fuse can also be the cause. I recommend having a mechanic, such as one from YourMechanic, come...
Question
Starter solenoid - 1986 Ford F-150
The starter solenoid is most likely not the problem here. You most likely have a loose or bad cable. I would first recommend using a volt meter to see if you are getting at least 12 volts on the battery...
Question
Trying to test a sensor in the distributor that is allowing it to not spark.
The Hall effect pick-up assembly in the distributor can be tested via the Factory Service Manual but that procedure has more than 15 steps. A more efficient test method is to use a self powered “indicator light” that is made...
Question
Horn is extremely sensitive after putting it back in the steering wheel.
Hi there. See if the springs were installed properly to the horn. Also, check to see if the wiring to the horn was tight and not loose. A return spring on a horn button will sound the horn sooner with...
Question
2006 Toyota Matrix fuel pump plastic lock ring stuck. Universal removal tool is crap. Help. Frustrated.
Many times there is what is called a spanner wrench that is used to remove fuel pump lock rings. If you are unable to get one of those, a hammer and chisel is your next best option. You could also...
Question
Car cuts off
Hello. If your vehicle runs for a little while and then dies and will not restart then you may have a problem with the fuel pump or the auto shut down relay. The relay is the most common cause of...
Question
My brakes are messed up
The noise is coming from your brake booster has a vacuum leak and will need to be replaced. This is why your engine runs rough when you press the brakes.
Question
Vacuum hose to the charcoal cannister has broken
Hello. If you have broken the vacuum port off of the charcoal canister, then it may have to be replaced. In some instances, the broken piece can be reattached. However, it will only function properly is a vacuum tight seal...
Question
Knock sensor honda element
An engine knock sensor will cause timing to be retarded if there is an engine knock but should not cause any no start conditions.