When do cummins injectors go bad

Submit Reset. April 16, A few signs that your injector is going bad include: Poor engine performance or misfires A check engine light comes on Hard starting or poor idle — especially after the vehicle has been sitting overnight Black smoke from tailpipes Foul odor from tailpipes You notice a decrease in fuel efficiency Replacing A Bad Fuel Injector A bad fuel injector can cause major issues in your vehicle so repairing it as soon as you notice any issues is important.

This could be also interesting for you. Posted in: Blog , Diesel Trucks. Posted in: Blog , Turbos. Posted in: Blog , Injectors. Back in the day, pickups were only used for towing and hauling cargo. Any truck…. Posted in: Blog , Diesel Industry News. The problem is a mis a knocking The code is p Could a bad injector be the problem? Your email address will not be published. Here are the 5 most common symptoms of faulty diesel fuel injectors.

Trouble starting the vehicle or uneven idling. The engine is using different speeds of revs on idle. If the vehicle is misfiring on ignition, a complete diagnosis involves finding the combustion process element that is lacking. In a diesel engine this is either a lack of fuel injection or a lack of combustion chamber heat. The fuel charge in one of the cylinders fails to ignite or there is a low level of fuel being pumped into the ignition.

Smell of fuel. The smell of diesel inside the cabin means that the diesel has a leak somewhere. Dirty emissions. Clogged filters and injector deposits will cause an uneven or incomplete fuel burn, resulting in the area of the vehicle around the exhaust to be dirty and the release of white smoke from the exhaust pipe. Increased fuel consumption and poor miles per gallon. Fillemon on May 29, at pm. Joe on June 12, at pm. Can an injecter go bad from over cranking? Stanley on July 22, at am.

Usually a lot of owner figure they got the bad injector and the next bad injector starts to fail and don't know it now start washing rings out on that cylinder. This why the life span of CR engine are typically very low. I always replace on sets espcially when the pickup will only start on ether. I have replaced single injectors under warranty and you end up replacing more shortly after. Chrysler started sending us six packs of injectors that way there is less of a chance of a come back.

So considering wild ad free says the failure is based on gallons of fuel burned, how can you figure that by miles? Is there a window where the majority of failures are occurring? Depends on idle time, quality of fuel lube and filtration. So it's all over the place. I'm sure quality of fuel and filter have a lot to do with it. I don't live in a cold climate so idle time isn't much of an issue for me.

Still running good. Early Signs. Injector Failure Share More sharing options Followers 0. Prev 1 2 Next Page 1 of 2. Recommended Posts. Posted April 15, Link to comment Share on other sites More sharing options I actually have a 03 sitting infront of my house with that problem As far as which injectors, either bosch remans not reman bosch or bbi.

Posted April 16, I haven't heard anything good about any injector with the word reman in it, anywhere. Wild and Free Posted April 16, Wild and Free Posted April 17, Posted April 17, My Autometer UltraLites have been very reliable also. Posted April 17, edited. Does not Bosch themselves reman injectors John?? Edited April 17, by dorkweed. MoparMan Posted April 17, Diesel Posted May 3, Posted May 3, Wild and Free Posted May 3,