Q: Bad timming

Hello there. A decrease in fuel milage can be attributed to a few different faults. The most common causes are leaking fuel injectors (https://www.yourmechanic.com/services/fuel-injector-replacement), oxygen sensors (https://www.yourmechanic.com/services/oxygen-sensor-replacement), coolant temperature sensors (https://www.yourmechanic.com/services/coolant-temperature-switch-sensor-replacement), vacuum leaks or exhaust leaks. A qualified technician, such...

Hello. This is a used vehicle that I recently bought and I've noticed it has some accelerating issues. There seems to be a delay in increasing speed. The delay lasts for several seconds from the moment I put it in...

The recommended oil is 10W40 for your 4G18 engine.

This is a common sign of a faulty ignition coil. Ignition coils are coated with a varnish-like insulation that becomes brittle over time after being stretched then contracted repeatedly The insulation develops small fractures that open when heated and close...

There are a number of things that may cause a rough idle. A rough idle (https://www.yourmechanic.com/services/car-idle-is-rough-inspection) may be caused by things such as low fuel pressure, low voltage to the fuel injectors, dirty fuel injectors, a vacuum leak, a faulty...

Yes this engine is an interference motor and the likelihood of bending valves if goes out of time on the camshafts.

Hi there. Thanks for sending your question to us today. When you have the single clicking sound when turning the ignition, it is typically due to a damaged electrical relay. If your battery tested good (meaning it had enough cranking...

Hi Jasper. Thanks for contacting us tonight. There are several possible sources of this issue. The most common is the starter relay being damaged, but if you've replaced it, you can remove that from the equation. The second would be...