Black smoke from exhaust and loss of power

1 If at idle use the scan tool to cut out one cylinder at a time and see if the smoke disappears. Engine runs bad - plugged fuel filters.

Common Smoke Power Problems.

Black smoke from exhaust and loss of power. There are several reasons why your car may be blowing black smoke from the exhaust when accelerating. One of them is from a leaky fuel injector faulty Oxygen sensor or a MAF sensor or too much fuel pressure. The black smoke indicates you have a rich fuel condition happening in your fuel intake system.

This means that the fuel being supplied to the motor is too much in relation to the air supplied creating an imbalanced airfuel ratio being supplied to the motor. When this happens you may notice a fuel smell and a lack of power as you describe. Need some help with a power problem with my 2005 F350 60 liter diesel.

Seems to be occuring when the engine warms up. When letting off the gas pedal to slow down then repressing on it the engine has hardly no power and black smoke is pouring out of the exhaust. Black sooty smoke and lack of power is a sign of excess fuelling which is usually due to an air leak somewhere between the MAF sensor and the cylinder.

Check all the hoses between the air filter. Hi everyone I was driving back from Somerset yesterday in my Captiva when I heard a pop from the engine which then led to a loss in power and thick black smoke from the exhaust when revving. I managed to limp it home at 40mph and have it booked in for Tuesday but any ideas what the problem.

You are correct black smoke means a lean mixture. The miss fire code solidifies this diagnostic. If the filter is good second step is MAF sensor and throttle position sensor.

The fuel injector sensor is the next step. I am having an issue that just started last week. When I push on the accelerator I get black smoke from the exhaust and low power.

This happens at take off or if I am driving along and try to accelerate more. I especially notice it going up a hill since it starts dropping speed. If youre getting a lot of black smoke or otherwise then a couple of things are a possibilityEither a major engine sensor such as the airflow meter or cam position sensor has failed so that the ECU is now overfuelling or injecting at the wrong point and resulting in poor combustion.

Loss of power and loads of black smoke 19cdti 150 2006 19cdti 150 I had a fault code and car going into limp mode fault code was DPF tried to regen but no good so i bit the bullet and replaced it at a cost of 230 that made it better but still loss of power and eventually got even worse. 1 If at idle use the scan tool to cut out one cylinder at a time and see if the smoke disappears. 2 Exhaust leaks or Boost leaks you can usually hear a boost leak as a high pitched squeal under load.

3 EGR and or MAF problems or intake leaks after the MAF sensor. You are obviously getting enough fuel black smoke and since your turbo is not wasted I would say there are only really two basic things that can be going on. Massive post turbo air leak.

Is very unlikely as it would have to be a truly massive exhaust leak. Anyway while driving yesterday and today I let off of the gas then when i got back on the gas it had NO power and was blowing alot of black smoke out the exhaust pipe it would eventually clear out and power up but everytime I let out of the pedal it would do this. So I made a couple of calls and one said EGR valve the other said turbo rusty and is going out.

After that I had dropped it out of overdrive. One possible reason behind black smoke from exhaust pipe is damaged piston rings. Piston Rings are designed to prevent the infiltration of engine oil inside the combustion chamber.

If there is any problem with the piston rings the engine oil starts flowing into the combustion chamber. Renault scenic 19 dci - black smoke and loss of power. Hi just changed the EGR valve and the car was running great hooked up the caravan and when it comes to a hill the engine management glowplug light comes on then there is a rattling noise coming from the engine and black smoke coming out the exhast once the light goes off away she goes again no problem heading on hols in two days.

Common Smoke Power Problems. Engine runs bad - plugged fuel filters. Common Smoke Power Problems.

Engine runs bad - not getting hot enough. Common Smoke Power Problems. Engine runs bad - restricted air exhaust.

Air filter muffler turbo. Under loadexhaust are followed by excessive black smokeaccelerator 2007 475hp isx under load from 1200 to 1400 rpm has a burp in the exhaust are followed by excessive black smoke and loss of power not loss of turbo boost only does at the above rpm and when you back. The saga continues.

Booked the van in for a recon turbo. Part cost 450 However garage phoned to say this has not fixed the black smoke lack of power problem. So they hooked it up to a computer which said the EGR valve was faulty so replaced that at 139.

However still hasnt fixed the original power and smoke problem 800 later. 2 Feb 6 2012. I was driving my 1989 300E today and all of the sudden the car started to shake I lost power and the car was driving very slow even though I had the gas pedal to the floor.

Also there was a lot of black smoke coming from the exhaust. Thick white smoke from tail pipe isnt always a bad motor it can be a master cylinder that is leaking You might want to look to see if your master cylinder is leaking from the seal when you brake hard all the way down and hold it down. The master cylinder serves as the main valve that pushes brake fluid through the brake line so that the brake calipers can squeeze the pads against the rotors so even though your not.

The carbon chucks could clog your EGR valve which will result in loss of power fuel inefficiency and emission of black smoke from your exhaust. Its also important for the computer to measure the right amount of fuel that should be injected in the cylinder. Dark black smoke coming from the exhaust of your Navara indicates that there could be a serious engine problem and indicates that the airfuel mixture is rich.

Black Exhaust Smoke Causes. There can be a number of things that can cause black exhaust smoke in your Nissan Navara. Most of the time black smoke indicates that the airfuel mixture is rich.

Lots of black smoke and loss of power. Jump to Latest Follow. Then it wont boost hardly at all and it effects drivability by losing power and excess smoke from lack of air.

Use your exhaust break and the towhaul button and push it a little. Get your egts up.