Q: Hard to shift into gear.

This can be because the catalytic converter is bad or the sensor is defective. A qualified mechanic would have to scan the vehicle and check for broken up or rattling converte (https://www.yourmechanic.com/services/catalytic-converter-replacement)r signifying its coming apart inside.

Hi. Overheating is a serious issue and can cause significant damage to the engine such as breaking the head gasket or even damaging the cylinders and pistons. You should have a certified technician, such as one from YourMechanic, inspect the...

Both of these additives are designed to block small leaks or seepage from a gasket or rubber seal an not to fix major leaks or leaks where there will be excessive pressures, such as coolant leaks into the combustion chamber...

Those codes: P0170 (https://www.yourmechanic.com/article/p0170-obd-ii-trouble-code-fuel-trim-malfunction-bank-1-by-andrew-quinn), P0173 (https://www.yourmechanic.com/article/p0173-obd-ii-trouble-code-fuel-trim-malfunction-bank-2-by-blake-griffin), and P0335 (https://www.yourmechanic.com/article/p0335-obd-ii-trouble-code-crankshaft-position-sensor-a-circuit-malfunction-by-spencer-clayton) are indicating that the airflow coming in that is read by the MAF sensor to set up fuel injection timing does not match what the oxygen sensors are reading based on...

If I am reading your symptom description correctly, the engine died at speed, the Check Engine light came on, and the engine now turns over but won't actually start despite a new battery. First item to check are the codes...

All modern cars are equipped with an Evaporative Emission Control (EVAP) system. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere. The EVAP system collects and temporarily stores the fuel vapors in the charcoal...

Hi there. Typically a bad motor mount will make a clunking sounds as the vehicle begins to accelerate or decelerate. The grinding sound while acceleration and turning is a common symptom of a bad or failing wheel bearing (https://www.yourmechanic.com/article/symptoms-of-bad-or-failing-wheel-bearings) as...

If there is smoke, a leak is likely. Losses in the coolant reservoir would suggest a coolant leak. If you suspect a coolant leak, the origin can be pinpointed if you request a coolant leak diagnostic (https://www.yourmechanic.com/services/coolant-is-leaking-inspection). It is possible...

Hello - your symptoms, primarily the dim headlights, indicate a weak battery (https://www.yourmechanic.com/question/my-alternator-by-katie-s) or poor battery cable connections. Check the battery cable connections for clean (no corrosion), tight connections. If using a jumper cable or battery provides successful startup, this...