Recently changed my serpentine belt & it’s shredding. It’s the 2nd in a close space of time. My rpm gauge is fluctuating while driving. What can be the issue. Is it the throttle body/iacv. Also my vvt sensor is leaking at the front. Can this be cleaned or it must be changed. Reason for the high mileage is because I’ve change the cluster to a used one

Hi, my engine management light comes on whilst driving maybe once a week. Then goes off after I restart car. I have had the camshaft sensor replaced as this is what the fault code was signalling. However, the light still comes on but not so often as before. I have had many different diagnosis from garages /mechanics (without seeing the car). I have been advised to get the serpentine belt changed, timing chain slipping, wiring fault or sensor is misplaced. Can anyone shed any light without me having to spend a fortune please? It is a vvt-i petrol engine. Thank you

The last couple weeks my battery light will flicker for a moment then come on solid followed by all the dash lights and the loss of function in the speedometer. The brights come on and power steering goes off along with traction control. When this happens I pull over and turn the car off, restarting after a minute or so. This clears all of the dash lights and restores function but leaves the check engine light on and the "trac off" light next to it. The code it throws is a p0500 which is for "Vehicle Speed Sensor". I replaced the alternator a couple months ago, the battery last week, the serpe… Read complete