Q: P0303 read 2 weeks after tune up

Hello there! To verify if the radiator is in fact leaking, I would recommend that a well-trained technician performs a pressure test on the cooling system. Pressure testing the system will expose any coolant leaks (https://www.yourmechanic.com/services/coolant-is-leaking-inspection) in the system and...

Hello. The boost sensor is on the intercooler exit hose, driver side, bottom of the radiator area, close to the rubber coupling down there. The intercooler looks like another radiator, and sits in front of the coolant radiator. This is...

Hi there. Typically when a transfer case fails it will start making a grinding noise and can even cause some jerking while driving. It can also cause some instability when driving at higher speeds. From what you are explaining, it...

Hi there: Anytime front end components are faulty, they should ALWAYS be replaced in pairs. Example; if you've got a bad driver side strut, the passenger side needs to be replaced as well. The reason for this is safety; and...

Hello. It sounds like you may have a couple of different issues going on here. Most of the time it is caused by a misfire which can mean that you need a tune up. I usually check the ignition coils...

I owned a 2008 Sonata and currently own a 2015 Sonata Sport 2.0T Limited. With your generation as well as my 2015, the Sonata with the 2.0T engine has larger brakes so the 18 inch wheels make more room for...

You should have the tires inspected for bubbles or broken cords in one of the tires.

If the belt is in good condition and is tightened properly, then suspicion falls on the accessories that it is driving. You could be right about the alternator bearings, but it's premature to replace the alternator. It could also be...

Hi Gary. Thanks for contacting us today. You are correct that this fuel inlet issue is a problem that is common with these Explorers. I've forwarded your request to our sales and service department, who should be contacting you directly...