Q: Someone took a part off causing it not to start

This is a very dangerous situation as the braking system is one of the most important safety features of a vehicle. Have a brake inspection (https://www.yourmechanic.com/services/brake-safety-inspection-inspection) carried out by a qualified technician such as the ones here at YourMechanic to...

Hello. The existence of so many non-functioning items would seem to indicate that a main control fuse, and junction box, are not working. Check to see if there are any electrical components that may have been disturbed during the timing...

Those are well-built vehicles. It's an all-wheel drive so realize that all-wheel drive systems are very complicated and can cost a fortune to fix. That said, Lexus (https://www.yourmechanic.com/scheduled-maintenance/lexus-is250/) are just fancy Toyotas, and all-wheel drive systems are pretty bulletproof. They...

Your shifter has three main components. The shift lever itself, the shift cable and the transmission lever that is part of the transmission. Any of these three components could be jammed. The best course of action is to separate them...

A quick "diagnosis" can be obtained by unscrewing the pressure sensor and installing an external oil pressure test gauge. YourMechanic will compare the oil pressure at idle to the factory spec., but normally at idle you should see approximately 10...

Hi there: Before you have one of our mobile mechanics replace the crankshaft position sensor, you should have them complete a full check engine light inspection (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) first. It's possible that the code being displayed on your code reader is...

Hi there. The two OBD-II trouble codes wouldn't be cause the clutch issue you're describing. However, the P0507 trouble code means (https://www.yourmechanic.com/article/p0507-obd-ii-trouble-code-idle-control-system-rpm-higher-than-expected-by-spencer-clayton) the idle control system has excessively high RPM. The ECU has a specific rpm range the idle is...

You will need to have the battery disconnected and wait 10 minutes and then relearn throttle idle. Before you do this have computer codes checked and cleared. You may have got throttle body cleaner into the throttle position sensor and...

If the plugs are new that is unlikely to be the cause of misfiring. Compression in the No. 2 cylinder should be tested because if you have low compression or a sticking valve in that cylinder, that could cause a...