Q: Won't start

This sounds like a fuel pump issue of low fuel pressure conditions or the fuel filter is clogged causing low flow. I recommend you have the system checked by a qualified mechanic. (https://www.yourmechanic.com/services/car-is-stalling-inspection)

Hi there. A p0420 usually means the catalytic convert is not performing as well as it needs to. Over time, the catalytic converters fill up with carbon and and will not filter out the exhaust gas as efficiently as they...

If lean faults occur after the manifold was removed and reinstalled, this indicates a vacuum leak (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-vacuum-leak) which also means that unmetered air is coming into the intake. Either a vacuum line (https://www.yourmechanic.com/services/vacuum-hose-s-replacement) or induction pipe is loose, or the...

The relays are turned on by the Powertrain Control Module (PCM) by grounding the control wire of the relays. The PCM needs input from the engine coolant sensor above the water pump to sense whether the engine is overheating before...

Hello and thank you for contacting Your Mechanic. What seems to happening with your engine Bank 1 is going rich and Bank 2 is going lean and repeating itself. Now, for this to repeat itself, there is probably a problem...

Hi, thanks for writing in to us. It sounds like you may potentially have an issue with the ignition switch (https://www.yourmechanic.com/services/ignition-switch-replacement) in your car. Your ignition switch has small tumblers inside of it that fit the grooves in your key...

Coolant leaks can occur because of cracked hoses (https://www.yourmechanic.com/services/radiator-hose-replacement), leaking gaskets, faulty water pumps (https://www.yourmechanic.com/services/water-pump-replacement), or damaged radiators (https://www.yourmechanic.com/services/radiator-replacement). When the coolant level goes low, the engine will start to overheat due to the low coolant level. I would first...

Hello, and thank you for writing in. The vehicle may be having issues with the wiring, or it may be an issue with the replacement starter. Start by checking the condition of the starter cables, the battery's ground connection, and...

Hi there. We have a great tool on our website that will permit you to look up all scheduled maintenance for your Kia Sorento. Simply click this link (https://www.yourmechanic.com/scheduled-maintenance) and type in your vehicle information and you'll be able to...