Popular questions

If the idle shoots up just after startup then drops down, this is not usually a major cause for concern, and often normal. Although 2000 rpm does seem a little high, 1500 rpm isn't really to out of the ordinary,...

Hi, thanks for writing in. I'd be happy to help. This is your car immobilizer light that indicates the car is armed. The immobilizer, usually called Securi-Lock in Ford vehicles, is a passive anti-theft device that disables your vehicle’s ability...

Hi there. The transmission position sensor may be damaged or has a short inside the sensor. Check the harness to the sensor and make sure that it's hooked up properly and has no moisture in it. If the harness is...

Hi there. The effect that this object will have on your vehicle depends on its size. If it is not flat and somewhat irregular, then you should be fine if you leave it in there as it should not interfere...

Hey there. The two main components for your power steering system are the steering pump and the rack & pinion steering unit. If the power steering pump was run low on fluid for a period of time, it may have...

Honda, nor any of the OEM manufacturers, does not sanction use of aftermarket sealers in the cooling system for "repairs". Unless your car has overheated, head gasket leaks are not that common and in any event there are tests to...

Hello. A battery saver mode light can sometimes be set off by an issue with the battery, but it is also often set off if a problem occurs with the alternator, such as low or excessive output from a failed...

Cleaning a light socket would depend on what type of dirt, corrosion, or rust the socket was contaminated with. These damages will vary depending on the sockets location on your vehicle. Sockets can be in sealed or semi sealed lens...

Hi There, This may be caused by a number of things, but commonly this is a result of a faulty connection at the battery or in many cases, a faulty starter relay. The starter relay directs power from the battery...

If you disconnected the battery during alternator replacement, you might have lost some of the initial settings in the car's controllers. If that's the case, things should start working better after you have driven the car a few times and...

Hi there. From the description you have provided, for the P0301 rough idle and heavy misfire and P0456 evaporative small leak detected, the problems are unrelated. The P0301 is a #1 cylinder misfire code. It could be, a spark plug...

The first thing to do is to drain all the gas and put in fresh fuel. You may have a bad fuel pump if it has seized from sitting in old fuel. Other than this you may need to have...

The alternator going bad while driving caused the other systems in the vehicle to get low on supply voltage and they may set codes in memory for power loss. You may need to clear the codes in all the modules...

Although unfortunate, a limited presence of sludge in an engine does not necessarily require intervention. Really, the extent of the contamination would have to be confirmed before any useful advice could be given to you. If the sludge is limited...

Hello, thank you for writing in. There are several issues that may have occurred. The first step is to make sure the ignition wires are installed correctly, and that you did not mix up the firing order. You can do...

Hello there, thank you for asking about your 2002 Pontiac Firebird. It sounds like your transmission is slipping. It does not mean it needs replaced. You will need to have the transmission checked and fixed for leaks and refill transmission...

Depending on your state, this should normally not be an issue as a California fuel pump and Federal fuel pump both run the same amount of fuel pressure. The issue is whether or not you live in California. If you...

Your car will not crank if the PCM and BCM don't see the transmission is in neutral or park. A part of the gear selector system has failed causing the car to believe it is still in s mode. Located...

Hi there. The transmission weights around 125 to 150 lbs and may weigh additional 125 pounds if there is a transfer case attached to it. The transmission overall length is around 3.4 feet depending on the type of output shaft...

Excess wheel play can be caused by several components. You will want to perform certain tests in a process of elimination to target the issue. Brakes and particularly the rotors can cause similar issues. You would notice the symptoms when...

Hi Jarod. Good to see you again. The ambient air temperature sensor and mass air flow sensor are not the same components. The MAF sensor measures air intake into the engine so it can adjust the fuel trim to be...

The Vehicle Dynamic Control (VDC) feature helps your car maintain proper traction when driving in adverse conditions. However, when the vehicle is stuck in snow or mud, the VDC reduces engine output, and you may need to turn off the...

Hi there. For your car this is the first sign of transmission failure. When the car starts having issues going in reverse, either it has burnt out internal clutches, or the gear housing is cracked and binding. Either way, you...

There are a few possible causes for your brakes to engage. Caliper pistons can be seized, hoses can be pinched or closed off on the inside, or even electrical problems with the ABS. Have your vehicle scanned for ABS troubleshooting...