Popular questions

Question
Is it bad that I put 10w40 in my engine that takes 5w30?
Your vehicle does not use 5W-30 oil. The recommended oil viscosity for your vehicle, according to Kia documentation, is 10W-40. If you drive the vehicle in exceptionally cold weather, well below 32 degrees, you can use 5W-30 oil but even...
Question
The distance the piston moves from TDC to BDC is called
This distance, in either direction, is called "stroke".
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My car won't start. Diagnostic test read P0420 catalyst efficiency below normal (bank 1). Could this be why it won't start?
Hi there: When the oxygen sensors have a reading that is similar to each other, it is an indication that the catalytic converter is not working as efficiently as it is intended. If the voltage of the downstream oxygen sensor...
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Why does my truck have gas pouring out near the tank when started up?
Good question. I will go through a few steps with you to try to save you a little money and hopefully find the problem. Get under your truck near the fuel tank. Look for the lines that are...
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Wheels screeching after car wash
There is no kind of lubricant that will solve your problem. It sounds like your rotors got wet. Sometimes, the brakes will make a grinding noise for a short time after this happens. Also, if they are allowed to sit...
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What is the difference between replacing a head gasket and replacing the engine?
Hi there. This is a very good question actually. When it comes to 'which is cheaper', it's important to understand the common problems that come with a head gasket replacement or an engine swap. When you compare the basic services,...
Question
Is it safe to drive when the thermostat housing bolt is broken?
If it doesn't leak and you've got the other two bolts on tight then you should be okay. But here is what I would advise you to do: I would take it off again, take the two bolts off, and...
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Tire does not spin since I put a donut on it.
This is a bit odd, usually this only happens with European vehicles that use lug bolts instead of lug nuts. With these vehicles, there are shorter lug bolts for use with the spare. If they are not used, the longer...
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Transmission will not shift out of 1st gear
Hello there, thank you for asking about your 2006 GMC Sierra 1500 HD. If your vehicle will not shift out of first gear, the problem is not the fuses. The problem could be a shift solenoid, but more than likely,...
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I need a thermostat replaced do I need to replace the water pump as well
Typically, the scenario is the reverse: that is the water pump fails and the question is should the thermostat be replaced at the same time that the water pump is replaced. The answer is absolutely because the thermostat itself can...
Question
How do I check the transmission fluid on my 2004 Lincoln Aviator?
Hi there. For some reason, Ford and other manufacturers have developed an unbelievably complex process for checking transmission fluid. You are correct in the fact that there is no longer a "dip stick". To check transmission fluid, it's pretty much...
Question
What does the A/C Off Due to High Engine Temp message mean?
The A/C Off Due to High Engine Temp message can appear on your driver information center (DIC). When the DIC displays this alert, it means that the coolant in the engine is too hot, and the engine is not able...
Question
How do I adjust the speed warning?
When the speed warning feature is turned on, the vehicle will alert you when you reach a certain speed. To adjust this feature, follow these steps: 1. Press the Up/Down buttons on the steering wheel until Settings is displayed, then...
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I added blue devil head gasket sealer and now my car is overheating
Many times when a head gasket fails it can cause the engine to overheat. Oftentimes head gasket sealer products do not work and therefore the same symptoms of a faulty head gasket will still exist. If you have a faulty...
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Car rpm goes up and down...stutters...Idk what's wrong
An incomplete combustion in the engine will cause a sputter as can the ignition system. The fuel system, such as a blocked fuel injector may also cause the vehicle to sputter. While a sputtering engine may not seem like a...
Question
Can a knock sensor keep my car from starting?
Hello. A bad knock sensor will not keep your car from starting. The knock sensor's purpose is to detect the sounds of pre-ignition in a running engine and convert it to a signal for the electronic control unit (ECU) so...
Question
Changing transmission fluid on a high-mileage car
It probably has been changed. Here is the problem with changing the transmission fluid. On a normal car, you should change it every 40,000 miles or so. So if you don't, and you go 198,000 miles and never change it,...
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I need the torque specifications for the caliper bracket bolts, banjo bolt, and caliper slide bolts.
The caliper bracket bolts are 125 ft lbs. The banjo bolt for line connection is 35 ft lbs. The caliper slide bolts are 26 ft. lbs.
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Check Engine light comes on when cars RPMS go over 4000 error code P0344
Hi there. This code is for a bad camshaft sensor. It can be caused by a bad sensor or it can come from another issue. I usually check the sensor first and then I check the timing belt. Most of...
Question
The car revs while not moving, the check engine light is on
Hello. If the engine speed is going up and down as the vehicle is sitting there and running, then it is not a transmission problem. It can be an intake manifold issue as they mentioned, as I have seen a...
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Can a bad tensioner cause my vehicle to lose acceleration and turn off?
Hi Brandon. Typically a damaged belt tensioner will not impact vehicle performance. It would cause the serpentine or drive belt to wear prematurely or to squeak - but not cause the acceleration issue. On your list of items replaced, I...
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Transmission in and out of overdrive
Hi and thanks for your question. The cruise control is set with the engine speed and transmission gear selection. Check the fuse to the cruise control to see if it is blown. There could be two things going on. The...
Question
3.0 l honda interference or non
Yes this engine is an interference motor and the likelihood of bending valves if goes out of time on the camshafts.
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What does the Engine Oil Low – Add Oil message mean?
The Engine Oil Low – Add Oil message will appear on your driver information center (DIC) when the oil level is too low in your engine. When more oil is added, this alert will no longer be displayed on the...