What common faults could cause black smoke?

What common faults could cause black smoke?

Most common causes of black smoke are faulty injectors, a faulty injector pump, a bad air filter (causing not enough oxygen to be supplied), a bad EGR valve (causing the valves to clog) or even a bad turbocharger. Some of these are easy fixes.

Why does my car kick out black smoke?

Black exhaust smoke means the engine is burning too much fuel. The first think you should check is your air-filter and other intake components like sensors, fuel injectors and the fuel-pressure regulator. Any smoke coming from your car’s exhaust pipe is a sign that your car is in distress.

What is the main causes in the engine get out the black smoke from the exhaust pipe?

Over-fueling is the primary cause of black smoke from the exhaust of a heavy duty diesel engine. Over-fueling can be caused by diesel fuel injector wear that enlarges the nozzle hole or erodes the injector needle and allows excess fuel to flow into the combustion chamber.

Why does my Volvo XC90 keep losing power?

Taken to Volvo every time to SRS airbag reset because it comes on every time I unplug battery $50 charge each time. Ridiculous! Checked voltage and never drops below 12.5 and only that low while starting. This is going to kill someone and Volvo does nothing about it.

Why does my 2004 Volvo Cem get corroded?

I finally Googled it myself under 2004 XC90 Issues and found this issue is way more common than what Volvo led me to believe. The CEM gets corroded because of water in the passenger compartment due to a plugged sunroof drain.

How to replicate the problem at the Volvo Dealer?

If you want to replicate the problem at the Volvo dealer take along a blow dryer and an extension cord have them turn the car on pull the 2 panels ( the 1 next to the drivers right knee and the 1 in front of your left knee) and blow the hair dryer on the cem directly for 10 minutes voila you are going to replicate your cars incident.