Q: I have a bmw 318i 2003 model been told the thermostat needs replacing by lube mobile for a cost of $720 including radiator cap s

Yes it really does. Because turbos spin hundreds of thousands of revolutions and they need really good lubrication. They need a little heavier oil (https://www.yourmechanic.com/article/why-are-5w-30-and-5w-20-oils-so-common). They need the 30 vs. the 20 and you don't want to mess with the...

I can understand your confusion and frustration, I believe your Kia is experiencing a few different issues that could all together duplicate the concerns you are experiencing. It would appear that one or more blend doors, these are inside the...

Hello. I will help you with this issue. If the a/c compressor is NOT running (and thus NOT creating suction in the refrigerant piping on the low side) and you apply a gauge to measure system pressure on the low...

Hi there. The shifter gets the power from the brake light switch as for a safety switch. In order to change gears, the brakes must be applied. Check the power into the brake light switch and the power out of...

Hello - a bit of black soot on the exhaust pipe can be due to several things that don't necessarily represent a problem. If you consistently drive short trips, where the engine doesn't have a chance to warm up completely,...

Hello, thank you for writing in. The check engine light, reduced power light, and general loss of power are very likely all connected to one or two simple issues. Luckily with the check engine light on, the computer has detected...

Diagnostic Trouble Codes can never be used to "directly" condemn parts. In the case of an oxygen sensor, the oxygen sensor output must be evaluated on a scope to determine if the sensor itself is bad or if you perhaps...

The coil pack melts down for a reason and cause will need to be diagnosed what caused it. The most common cause is a short in the signal wire or excessive resistance in the plug wires or plugs. I recommend...