Q: rotary clicking while driving all the time. 2010 Cadillac DTS

While there is no replacement for awareness when driving, there are a couple things you can do when you’re about to go up a hill: Shift to a low gear and stay at a slow speed while going up the...

Hi there. When getting the code P0015 (https://www.yourmechanic.com/article/p0015-obd-ii-trouble-code-camshaft-position-b-timing-over-retarded-bank-1-by-jay-safford), the main thing to check is to verify the operation of the Variable Camshaft Timing (VCT) solenoid. This solenoid is operated by the oil pressure in the engine. If the oil in...

There are a few common reasons for a vehicle to stall (https://www.yourmechanic.com/services/car-is-stalling-inspection). The most common causes are a clogged fuel filter, a failing fuel pump, vacuum leaks, or failing sensors. Some diagnostic testing will be necessary to determine where the...

Hello - I would check with your Dodge service center about this, but it's nothing to worry about. Most service indicator mechanism do not actually interface with the odometer readings, so oddities like you describe are inevitable. They are developed...

Hi there. The problem with BMW-specific OBD-II codes is that they are unbelievably vague, In this case, the P1189 code indicates a fuel control fault detected from Bank 2 sensor 1. This does not automatically mean the O2 sensor is...

If the engine cranks at adequate RPM, be sure there is adequate fuel in the fuel tank and that the fuel is not old. Download any OBD-II trouble codes that have been stored and examine those codes for diagnostic clues....

It sounds like you may have a failing alternator. As you may know, the alternator charges the battery while the engine runs by generating amperage and recharging the battery while the engine turns the alternator pulley. The voltage regulator is...

If engine speed increases steadily in response to accelerator inputs, then this is probably a transmission related fault. To give you a precise slate of possibilities though I would need to know exactly which gears (which "shift points") are "missing"...

Diagnosing this issue requires the Factory Service Manual and the wiring diagram at minimum. If the turn signal circuit is not working when the vehicle is on, and it is wired through this DCM, that circuit is simple enough that...