Popular questions

Hello! The easiest way to locate a coolant leak is to have the cooling system pressure tested, which can be performed when the engine is cold. The most likely failed component would be the coolant pump. It's usually good practice...

The oil lamp will illuminate whenever engine oil pressure is too low. The battery light will also illuminate whenever voltage is too low. The problem may be with your vehicle charging system i.e., your alternator. If your oil level is...

There are many things that can cause the fuel mileage to go down or be lower than what others are getting. The most important thing is to not use performance parts like filters or sensors. These only increase the power...

Hi there: Unfortunately, we don't see a lot of Vauxhall Astra's here in the United States, so it's difficult for us to give you an accurate diagnosis remotely. However, you might want to have a local mechanic complete a check...

Hello, the concern you have, I advise not to drive. The issue needs to be addressed, the vehicle will become inoperable. The automatic transmission has 3 systems; electronic, hydraulic, and mechanical. What describe could be an internal mechanical failure...

Wheel bearing problems are usually indicated by noise and/or play. A bad wheel bearing will make a rotational grinding or growling noise that is proportional to vehicle speed. The bearing may also have play, allowing the wheel/tire to wobble. Wheel...

When you applied power to test the pump directly, you may have had the power and ground backwards, and ran the pump backwards. The pump connector that is only getting 8 volts should be replaced. The connectors are known...

Hey there. The diagnosis of replacing the distributor is most likely the cause since the fuel pump would be the other cause. The distributor on this car has the crankshaft and camshaft sensors along with the ignition coil. This would...

A vacuum leak is a possibility but another possibility would be an exhaust leak. Both can cause a whistling noise when the engine heats up. A vacuum leak is more likely to change with engine speed. A qualified technician, like...

If the engine you are substituting is not a catalog OEM replacement, you will have to change (or modify) both the engine wiring harness and the engine computer. Engine computers are not interchangeable across engine families or even from year-to-year....

It really depends on where you live and what the going rate is. I'm in a big city here at Houston and the dealer's charge around $120-140 per hour of labor. That might help you get an idea if you...

The charging system is not recharging the battery. This is why warning lights are on the dash and the vehicle loses power. It will jump start and run until the battery runs out of juice. The most common problem...

Hello. Changing the transmission fluid will not help to quiet down the power steering pump. If you meant to say that you were going to change the power steering fluid then that may help. I usually start by checking the...

Hello there. When major sensors like the O2 sensors are replaced, and are followed by acceleration and performance issues, it is typically caused by poor electrical connections to the sensors or the ECU needing to be cleared of previous stored...

I'm sorry, but I will need a little more info for this one like the year make and model of the vehicle. Many vehicles' alarms systems are designed to react differently to certain inputs. Something as simple as a loose...

Hello, thank you for writing in. The noise you are hearing may be a result of a wheel bearing or a shock issue. There are several tests that can be done while the vehicle is parked, and some while it...

Hi Wendy. Thanks for contacting us tonight. After these repairs are completed, 80% of the time, this symptom is caused by the spark plug wires being connected to the wrong plugs, a vacuum line that is loose or an electrical...

I would not recommend changing the fluid or getting a flush on the transmission since you are already starting to have a problem. A service may make it worse at this point. I would have the transmission checked by a...

Hey there. If you bring the number one cylinder up on its compression stroke and crankshaft set to top dead center, then take off the distributor cap to see if the distributor rotor is pointing to number one cylinder on...

The cause for the van not starting should not be related in any way to the oil change. The only thing that may have happened could be the mechanic may have accidentally bumped a sensor or a wire. I would...

Multiple lights may be caused by multiple problems.Your BMW has a few dozen computers which can trigger warning lights to appear on your dash. Diagnosing multiple problems may be time extensive, but can be performed by a qualified technician with...

Hello. Based on your description, it does sound like this is an exhaust leak. Because exhaust pipes are made of metal, moisture will cause them to rust. Although it seems like this problem happened out of nowhere, it has actually...

This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...

Hi there. Check the battery for voltage of 12.6 to 12.4 volts. If the battery is low, charge up the battery and retest. Check the battery cable connections and make sure that they are tight. Check the cables on the...

Prior to performing diagnostics be sure that you have a fully, 100% charged battery that passes a load test. Then, confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting. If the immobilizer...