Popular questions

The connector for the head light bulbs should be checked to see if it has any brown heat damage. If it does, then it will need to be replaced with a new connector from the GM dealer. Make sure you...

Unfortunately, the information you provided about your Dodge Durango is very limited, and I will be unable to make a proper diagnosis at this time. I would recommend enlisting the assistance of a certified mechanic and including as much information...

Hi there. The black wire behind the dash is your ground wire, which should have been connected to a bolt or screw that contacts the bare metal of the car's chassis. If this is not connected, the stereo will not...

It sounds like you are experiencing several different issues. If the engine hasn't ran since the transmission fluid was added, I would drain and refill the engine with new oil. The issue with not cranking could be your battery. A...

Hello - noises from under the car when starting and stopping are most likely from suspension components, especially with your advanced mileage. The vehicle rocks front-to-back in both scenarios because of shifts in weight distribution. Worn ball joints, control arm...

Yes it does, but it should never rattle of course. The problem with yours is that the timing chain probably needs to be replaced because it has too much slack there or in the tensioner. Changing the timing chain is...

If you have a check engine light on and there is a major problem in the computer system or one of the major sensors then the computer will limit throttle opening. You should have the system scanned for codes and...

Hello. From what you describe, it would appear that your vehicle may possibly be experiencing wiring or connection issues. If behavior changed after the battery was installed then I would check the battery cables and electrical system grounds. Poor connection...

Hello. From what you describe, it appears that your vehicle may be experiencing electrical issues. If the brake lights are staying on at all times, then the first thing I would do is check the stoplight switch. If it is...

Hi there - there are several possible causes of your "no crank, no start" scenario. Check battery connections first for good, clean connections. A failed ignition switch, or failed starter solenoid are likely failed components since you indicate you aren't...

Hello and thank you for contacting YourMechanic. The noise could be a loose spare tire or something in the trunk bouncing around. If not, then there could be a lubrication failure in the differential or a loose axle mount. ...

Hello. I think you may have a problem with the cold start valve not dumping the proper amount of fuel to allow the car to start and remain running on a cold start. The distributor should be checked as well...

Diagnosing a hesitant engine will take some testing and the process of elimination. Being 10 years old, the vehicle is likely due for some work, and you should keep any recent repairs in mind while looking into this. Considering the...

Code 33 is a passenger side air bag fault. It can also be the seat belt pre-tensioner. The air bag system can be touchy. If you mishandle anything correctly, an air bag can explode. Have a certified technician, like one...

The PATS system or passive anti theft system is not turning off the arming of the system and may need to be reprogrammed as per the technical bulletin issued by the manufacturer. I recommend looking on the dash and if...

Hello - the whining in lower gears you hear is likely a worn bearing in the transmission. Acceleration in lower gears puts far higher pressure on transmission bearings, which wear over the miles. If the noise seems excessive, or is...

You must have a fuel line that is leaking. Diesel engines have very high fuel pressure. With the age of your vehicle it is very possible that you have a fuel line that has rusted through. This is a pretty...

What you are describing is loss of power as well as near stalling. The cause of that fault can be diagnosed, and any required repairs made, if you request an engine loss of power diagnostic. To give you an initial...

Hi Bryson. Thanks for contacting us tonight. On the fuel system of your Buick LeSabre, there is a component called the cold start injector or cold start valve. This helps to mix the air/fuel ratio to assist your vehicle start...

The idle air control valve does regulate engine rpm during closed throttle operation and is controlled by a computer. You mentioned having 3000 RPMs with the A/C on, this seems pretty high and could be pointing to another problem like...

Moisture in the air (water vapor) can condense in the engine and contaminate the oil. The amounts are typically not significant and the water eventually vaporizes in hot operation and leaves the engine. The other source of water is from...