Q: Disable horn with engine running

Hello. If the tires that are currently on the car are defective, this type of vibration (https://www.yourmechanic.com/article/what-causes-a-car-to-shake) may occur. It may be necessary to replace them. Other possible causes for the vibration may be a faulty tie rod, rack and...

Hello! There have been many complaints regarding the Escalade having a bumpy ride. Oftentimes the dealership will say that the ride is normal. I would suggest going back to the dealership and test driving another Escalade with them and comparing...

Hey there. The crankshaft position sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement) (ckp) is located at the front of the motor to the left of the harmonic balancer. Unfortunately, my information system doesn't have the correct replacement procedure. This is a common issue with German...

Hello. You'll need to attach a Diagnostic Code Reader (aka, a "scanner") to a terminal beneath the dashboard of your car, which will read out Diagnostic Trouble Codes (DTC's). These Codes usually offer critical clues as to what the underlying...

Hello. Yes, all of the things listed are usually recommended when replacing an AC compressor. AC systems are very sealed and pressurized, and taking the precaution to replace the associated components helps prevent any premature failure's of any sort. The...

Hi there. The p0420 (https://www.yourmechanic.com/article/p0420-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-1-by-jamahl-walker) code means that the catalytic converter is below threshold and is not functioning correctly. This code comes up when the catalytic converter can no longer burn off any fuel in the exhaust system. Take a...

Hi there. Check the back of the engine around the cylinder head. The wire will either be a silver color wire and also black in color. The wire will connect to the frame or the body with an alternate ground...

The radiator fan is computer controlled and you would need to have the computer scanned to see if the fan is having a computer or sensor problem or the fan relay is stuck in the on position. The fan has...

Shaking or vibration (https://www.yourmechanic.com/services/engine-is-shaking-pulsating-or-vibrating-inspection) may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to drop below...