Q: Shop says my coolant system hoses need to be replaced immediately. What does that mean? 2010 Chrysler 300

Does your car stall when you take your foot off the gas, or does it idle too high? You state both. Either way the most common problems are: Idle control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) is stuck or is sticking Intake gaskets (https://www.yourmechanic.com/services/intake-manifold-gaskets-replacement)...

Hi there, thanks for writing in about your 1992 Oldsmobile 98. It is possible that the starter relay is failing (https://www.yourmechanic.com/services/starter-relay-replacement). This relay is different than the starter solenoid that was likely replaced with the starter. The starter relay has...

After the tire is plugged, you can spray soapy water on the area to make sure the leak has actually stopped. Any air escaping will cause bubbles. Either situation whether driving on a plugged tire or spare (https://www.yourmechanic.com/services/spare-tire-installation) for a...

I do not think it will cause a problem with your engine using the 10w30 oil if you added a quart until you can get the oil changed using correct 5w20 oil. (https://www.yourmechanic.com/services/change-oil-and-filter) It is better to add this oil...

Hi there - I suspect you have a problem with the air blend doors (https://www.yourmechanic.com/question/blend-doors-not-working-properly) inside your heater unit in the passenger compartment. These doors control air flow inside the passenger compartment. A failed or stuck air blend door would...

Hi there. There could be a problem with the torque converter clutch staying on while the transmission is shifting into overdrive. This will cause the gear to grab hard and make a sudden jerk. Try manually shifting the transmission and...

Hello - you don't indicate what specific code was extracted, but I believe you are referring to the engine intake air sensor (https://www.yourmechanic.com/article/p0095-obd-ii-trouble-code-intake-air-temperature-sensor-2-circuit-by-andrew-quinn), usually in the air cleaner box or air inlet housings. This sensor is not related to the...

If the oxygen sensor (https://www.yourmechanic.com/services/oxygen-sensor-replacement) waveform doesn't look "well" on a scope (a direct test), it definitely should be replaced prior to (or during) the diagnostics as such could be at least a part cause of your difficulty. Slow acceleration...