Q: Backup battery problem - 2002 Honda Accord

Nothing ruins a nice drive down a scenic road, or worse yet, a rush hour commute, like the serpentine belt deciding to make a run for it. Matters are further complicated when the problem goes further than the belt. There’s...

The vehicle may be low on refrigerant, due to a condenser, or compressor leak. If the vehicle blows ice cold one minute, then warm until the vehicle or AC is shut off, then you may have a malfunctioning expansion valve....

The exhaust flex pipe (https://www.yourmechanic.com/article/how-to-repair-an-exhaust-pipe-by-rocco-lovetere) may be different for different models and time of manufacture of the vehicle. You may have to replace the front exhaust pipe or weld in a new flex pipe. All of them are around 7...

It is very common for the cylinder head gasket on these engines to leak oil and coolant. You may have to replace the cylinder head if it is damaged. If you have water mixed in the engine oil, then you...

Hello. Without further detail as to the specific make and model of your car, it may be difficult to diagnose. However, most cars have a "safe mode" or limp mode" that the transmission ECU will enable when either the transmission...

Hi there. Unfortunately, performing a transmission flush can create more problems for the transmission than it helps, especially with higher mileage. The debris gets stirred up and travels throughout the transmission. A transmission service (https://www.yourmechanic.com/services/transmission-fluid-service) should involve dropping the transmission...

You may have got contaminated fuel from the gas station. The code P0300 indicates you are getting a random engine misfire (https://www.yourmechanic.com/services/engine-is-misfiring-inspection). This random misfire does not point to any one cylinder misfire and indicates that the fuel may be...

Timing belts are rubber based products. Rubber deteriorates with age and that deterioration can be accelerated by storage conditions. I have seen belts vended that are 6 years old or older, which is well past a reasonable interval. Consequently, if...

If you are referring to the CV axle seal that is within the side case of the transaxle (i.e., transmission fluid is leaking), the service to request to get that leak repaired is axle shaft seal replacement (https://www.yourmechanic.com/services/axle-shaft-seal-replacement). It is...