Popular questions

Hello, thank you for writing in. The power supply needs to run to that area of the dashboard before it is divided up between the different components. Considering that two components are both having a loss of power at the...

Hi there. An engine misfire is typically caused by an ignition timing problem. In modern cars, misfiring will invariably be accompanied by a Check Engine light. A code reader will tell you which cylinder is to blame, but it may...

Hello - either the relay is stuck in the "On" position from burned contacts or the heater switch is similarly stuck in the "on" position (internal contacts at least). I would recommend an electrical inspection by a mobile, professional mechanic,...

First thing to check is to see if all the corrosion was removed and neutralized on the battery clamp and cable. The have the charging performance tested to see it the alternator is not overcharging and causing the battery to...

There are several possibilities for the issues you've described, but I would look more towards a belt being the issue. It could be the belt, belt tensioner, air conditioning compressor, the alternator, or one of the other belt driven accessories....

Hello. When you say the trunk won't lock, I am assuming that the trunk lid will latch closed but you are able to open the trunk after remotely locking the car. If your car is equipped with keyless ignition, be...

You may want to try closing all the doors, then putting the key in the drivers door lock and locking then unlocking the vehicle. You an also try putting the key in the ignition and trying to start the vehicle....

You should first scan the computer for codes. Diagnose any codes received. The problem sounds like a clogged fuel filter. Replace it if it has not been replaced.Then it can be the camshaft or crankshaft sensors on this engine. ...

Hi there - upgrading your suspension with coilovers and sway bars is not terribly difficult, and is largely an "unbolt the old, bolt on the new", followed by an alignment. It does, however, require appropriate equipment to raise and safely...

The throttle position sensor on this diesel is the APPS mounted on fuel pedal.

If the starter motor is turning the engine over rapidly, at sufficient RPM, but the engine does not catch and run, that means that there is an ignition, fuel or air induction fault in the engine that will have to...

Hi, thanks for writing in. You didn't say what year your vehicle is, but I can give you some general advice. For one, the steering angle sensor will not cause steering pull. Secondly, while the power steering system can cause...

From the information provided on your Pontiac, it leads me to believe that there may be an issue with your power steering pump. A test you can perform, only if you are comfortable, involves open the hood after the engine...

Hi there. This is usually either caused by a bad idle control valve or a vacuum leak. The idle control valve is located near the throttle body. It can also be a dirty throttle body. I usually start by cleaning...

Common causes of no cabin heat include malfunctioning blend door(s) (part of the in-dash ventilation network), a faulty or stuck heater control valve, a plugged heater core, collapsed hoses, and low coolant level. The cost to resolve the problem depends...

It sounds like this is an intermittent issue. These are generally the hardest to diagnose because they are just infrequent enough to not trip the ECU into triggering a code, but they still have a fault somewhere. The most common...

If you have a water leak when you are not moving, then you will need to first isolate the area of the car that is getting wet. The most common areas are the right or left front of the car....

Hi there. Based on your input, it's likely that the source of your issue are the relay's (as indeed they do "click" when activated) but it's also possible that your issue is caused by a different ignition system component. Assuming...

The traction control malfunction may not be related to the engine malfunction(s). In any event, the engine issue should be resolved first, especially as you have misfiring which has the potential to cause follow-on damage to other vehicle components (catalytic...

Hi there. I would strongly recommend having a professional mechanic accurately diagnose the issue you're having if you are going to have a private, non-Mercedes Benz certified mechanic complete these repairs. By having one of our mobile mechanics come to...

Hi there. When operating an engine without any oil in the oil sump (oil pan), then the bearings, rings, valves, and lifters will starve of lubrication and begin to tap and knock. The lifters were closed up causing the valves...

If you are hearing the knocking noises more on tight turns, you may have worn cv axles or driveshafts on the front of your Astra. The joints inside can wear over time especially if the grease has leaked out and...

Synthetic oil is a manufactured oil that goes through a series of processes that remove many of the impurities from the mineral oil as well as enables individual molecules in the oil to be tailored to the demands of modern...

Sounds like the crankshaft position sensor is loosing connection when driving. Check the harness to the crankshaft position sensor and see if there is a loose wires or if the contacts can be loose when pushed against. The harness could...

Your mileage is low compared to the EPA rating. Your vehicle was sold with a 3 yr/36,000 mi basic, 5 yr/60,000 mi powertrain warranty. In the event that there is an engine or transmission problem that accounts for the low...