Q: why did my 2007 Cadillac CTS shut off while driving

There are quite a few things that can cause this. Your car has variable valve timing; a complex system in which to change the cam timing. It uses oil pressure to advance or retard the timing. The oil pressure is...

Hello. The crankshaft pulley/harmonic damper bolt on virtually all engines is often tightened to 200-400 ft lbs of torque. On the Honda, the specification is a mild 14 ft lb, but FOLLOWED by 90 degrees of additional twist. Bottom line...

Hi there. In many cases, the TPS sensor needs to be calibrated correctly after rebuilding throttle body and cleaning idle control valve. It should have a voltage reading of 0.50 volts while the throttle is closed, key engaged but engine...

This may be related to a dirty or faulty idle air control valve. This is a unit that reads the air intake at low or idle speeds and relays this information to the computer which then makes adjustments to fueling....

Hi - you are on the right track, there is likely an air pocket in your heater, preventing the heater (https://www.yourmechanic.com/question/my-heater-is-not-working-by-brandon-a) from working properly. To bleed the heater core as well as the engine cooling system: fill engine with coolant,...

You most likely have a leaking water pump or radiator. I would recommend first looking to see if you notice where the leak is before starting the vehicle. If the leak cannot be identified then I recommend adding coolant dye...

Hi - first thing to check is the fuse(s) for the cruise control. Next is to check brake light switch and bulbs for proper operation. If the brake light switch (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-cruise-control-brake-release-switch) is stuck in the "On" position, the cruise control...

Hi Zach. Thanks for contacting us tonight. There are multiple things that can cause a shaking or vibrating issue like you've described. The most common source of this issue is a loose vacuum line or even loose or faulty motor...