Q: Cannot shift gears

From the description provided, it would be extremely difficult to assist this situation with your 4Runner without being with the vehicle in person. Brakes are a big safety concern and should be addressed sooner rather than later. It is very...

Looking at the Isuzu repair documentation, I see no service bulletins that would indicate a programming update for an extended crank or no-start condition although there are software enhancements all of the time and not necessarily a bulletin-related to the...

Hi there. The two OBD-II error codes you posted including the P0098 OBD-II Trouble Code (https://www.yourmechanic.com/article/p0098-obd-ii-trouble-code-intake-air-temperature-sensor-2-circuit-high-by-jay-safford) and the P0238 code (https://www.yourmechanic.com/article/p0238-obd-ii-trouble-code-turbocharger-boost-sensor-a-circuit-high-by-jay-safford) are similar in many ways. The P0098 code (https://www.yourmechanic.com/article/p0098-obd-ii-trouble-code-intake-air-temperature-sensor-2-circuit-high-by-jay-safford) indicates that there is an issue with the intake air...

Hi there. With having your radiator flushed twice and having a thermostat replaced, I believe that the problem lies within the water pump. There is a build up in the water pump and is causing the water to fluctuate. Remove...

Hi there. Are there any other codes stored? A P0172 (system rich detected) is stored when the O2 sensor detects a lower than specification level of oxygen in the exhaust. There could be many reasons this is occurring from weak...

Two types of hose are used in power steering applications, a low pressure hose for the return (to reservoir) fluid and a high pressure hose for pump discharge. Low pressure hose is generally rated at 400 PSI and operates at...

If the crankshaft position sensor has been directly tested, using an automotive scope or real time scanner, and is confirmed to be faulty (as opposed to having a sensor wiring or other fault) it is recommended to replace the sensor...

This is the way ABS or antilock braking systems work. You should not release the brake pedal when your are feeling the pedal vibrate since this is the ABS system pulsing the brakes so you do not skid. If you...

Generally, the check engine light (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) comes on when something fairly serious is going on with the vehicle. This can happen for many different reasons such as a faulty mass air flow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement), a faulty O2 sensor (https://www.yourmechanic.com/services/oxygen-sensor-replacement), a...