Q: Checking if timing belt needs to be replaced

It sounds like the engine thermostat, a device that reduces coolant flow until the engine has reached it's operating temperature, is not opening. This prevents hot coolant from getting to the the radiator where it is cooled. If the dealer...

A high an fluctuating idle is usually cause by a vacuum leak or stuck open EGR valve. Also on this vehicle I have seen the PCV valve broken where a failed attempt to remove it from the valve cover it...

Hello. You have 2 separate problems here. The P0191 (https://www.yourmechanic.com/article/p0191-obd-ii-trouble-code-fuel-rail-pressure-sensor-circuit-range-performance-by-jamahl-walker) (fuel rail pressure sensor circuit problem) may just be a symptom - it is reporting suspect fuel pressure on the rail. The fuel pressure on the rail is controlled by...

Hi there. Typically, there are two mechanical parts that can cause this type of noise as they begin to wear out. The first and most common culprit is brake pads (https://www.yourmechanic.com/services/brake-pads-replacement) that have worn and are actually grinding on the...

Hi - by "won't shift into the highest gear", I interpret this to mean the lock-up of the torque converter, which effectively is another gear (eliminates any slip through the torque converter). Your symptoms suggest that the transmission is not...

Hello. It sounds like you have bad positive battery cable. When the cable fails it creates a lot of internal resistance that will cause this. I would usually do a voltage drop test of positive cable to verify this. It...

Charging system output should be verified against factory specifications as the alternator may be failing or have failed thus accounting for the battery light. It is also possible that the serpentine belt does not have adequate tension and thus is...

Hi There, What you are describing sounds like you may have a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When the catalytic converter is...

Hello. There are many things that could happen if the wrong oil is used in a vehicle. The oil may be too thin or thick to be sucked up into the oil pump, which will cause your engine to suffer...