Popular questions

Question
Do you have to remove spark plugs to replace valve cover gasket in 1999 dodge avenger 2.5l
Hi there. Yes, when you remove the valve covers you need to remove the spark plugs first. I would highly recommend having an air hose and spraying off that entire spark plug area first to make sure you don't have...
Question
My 2014 Nissan Rogue is stuck in sport mode. No matter what I do, the panel indicates sport. Concerned about resulting wear & tear
Sport mode is a software feature. When the car is in sport mode, some of the engine tuning parameters will change and the transmission shift points will be higher to emphasize performance over fuel economy. There won't be any affect...
Question
Check engine code P0420 and P0420p consistently come up even after erased. Slight smell of fuel when car is stationary.
Diagnostic trouble code p0420 is for a catalyst efficiency below threshold. Meaning, the control module is receiving a signal that the oxygen sensor is reading a post converter signal that the catalytic converter isn't doing its job. This could be...
Question
Shaking on acceleration over 3,000 rpm.
Check the engine for a misfire. Check the spark plugs and see if they are working and if there is park to the spark plugs. If the spark plugs are clean and there is spark to the spark plugs, then...
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Overfilled my oil after draining to proper level what should i do?
If the engine is operating normally now, and you have ensured that the oil level is no higher than the full mark on the dipstick, no further steps are required. Overfilling oil can cause aeration of the oil and loss...
Question
Hi! We have a 2007 Honda CR-V and recently several dashboard lights came on.
Hi. It is possible that the dashboard lights will do the same thing for each of the problems the dealership say you have. It seems when the computer was replaced it did temporary fix the problem you had with the...
Question
Wrench light has come on numerous times 2008 Ford Explorer
Hi there - the "wrench light, which allegedly indicates a variety of problems with the drivetrain, is a huge source of frustration on the part of Ford owners such as yourself. It is not well understood, or trained for, by...
Question
Where is location of crankshaft sensor on 2011 BMW 550i 4.4 v 8
The crankshaft position sensor is located on the transmission bell housing on the passenger side. You have to remove a plastic splash guard that is attached with a Phillips head screwdriver. Remove the aluminum transmission guard with a 13 mm...
Question
Maintenance warning light - 2006 Toyota Corolla
Hello. For most Toyota vehicles the maintenance required light is different from the Check Engine Light, and come on during different circumstances. The Check Engine Light is usually the more serious of the two, and comes on when the computer...
Question
U1262 scp data link fault
The code U1262 point out a communication fault between the vehicle modules and a scanner. It may be best to visit your local dealer to find if one of the vehicles control modules has failed. In some cases this can...
Question
I hear a water sound after I had the heater core replaced
The water gurgling sound is most likely that the heater core and engine cooling system still has a lot of air moving through the cooling system. You should turn on the heater all the way to hot so coolant flows...
Question
Toyota Camry 2009 stopped suddenly while driving wont start back up
Hi There, It sounds like you may have a faulty electrical connection or potentially a weak or dead battery. The other possibility that may be quite likely could be a failing alternator as indicated by the fact that the car...
Question
Car trying to start without key in ignition
Sounds like your starter solenoid may be installed incorrectly. The solenoid has several wires going to it. One to the stater, some coming from the battery, and one form the ignition switch. If the wires are connected on the wrong...
Question
When i put my Car in drive or reverse i lose power but in park or netural the voltage is normal
Hello there, many faults will cause your battery light to be on when your 2005 Ford Crown Victoria is in drive or reverse. You have done well in replacing parts so far, but the vehicle must be diagnosed fully before...
Question
Lights flickering, car turning off.
Hi there. Typically when you have an inconsistent power issue with accessories like a radio, lights and other components, it's due to a loose ground wire or a faulty electrical relay. It could also be caused by battery cables that...
Question
Could someone tamper with your timing chain and cause it to break?
Hi, thanks for writing in. Although vandalism could happen, but its highly unlikely due to the chain being fairly difficult to get to. The most common causes for the chain to fail is a chain that has stretched over time,...
Question
Can the secondary air injection relay cause my transmission to randomly not perform as it should?
Since the majority of today's (if not all of them) are now controlled by electronic transmission control modules that receive inputs from the ECM, any glitch in the functioning of the motor may potentially cause a domino effect resulting in...
Question
The undercarriage plastic that keeps the bottom of the car protected has lowered(the front end dragging)
Hello. If you had jammed the broom under the vehicle then it more than likely warped the plate. When this occurs in some cases the cover can be removed and then straightened and reinstalled. Most of the time though once...
Question
Windshield wipers less effective when I'm driving fast
Hello. It is possible that air is getting under the windshield wipers, making them ineffective. Although it is more likely that the windshield wiper arms are getting bent and/or have worn out. Sometimes the windshield wipers can be bent or...
Question
1998 Benz ML320 - how to check transmission oil level
Mercedes stopped including dipsticks on their cars when they switched to electronically controlled transmissions. One of the reasons was to discourage the owners from doing just what you are trying to do. The transmission fluid is unique, and adding dexron...
Question
Starter not engaging at all but passed bench test
You will need to check the voltage at the starter when someone is cranking it to make sure cables are sending all the voltage to it. You can do a voltage drop on the cables to see if one is...
Question
Started car with one spark plug missing
Hi There, A number of things could have happened by doing this. Depending on how long the car ran without the spark plug in the cylinder, this may have caused a very lean condition inside the motor and may have...
Question
Battery drained, solenoid doesn't engage - 2008 Mercedes-Benz B200
Hello. The battery is located under the front passenger seat. The seat lifts up and pulls forward to allow access to the battery. However, if your battery is 8 years old, it would be best to replace the battery with...
Question
Can I use 5w-30 oil in my car instead of 10w-30?
Hey there, thanks for writing in. You should not have any issues with using the 5w-30 in your cars engine if the recommended oil is 10w-30.