What to do about smoke after extended idle?
What to do about smoke after extended idle?
Check the CDR system, and to check the turbo, remove the CDR tube, and upper intake manifold. The start the engine drop in in drive and hammer the throttle to spool up the turbo. Let it idle 5 min and the spool it again.
What does black smoke do to an engine?
Melted engine coolant temperature sensor. Black smoke means increased exhaust temperature and particulates. This can have a negative effect on particular parts of the exhaust system such as the catalytic converter. Over possessing fuel will cause the catalytic converter to overheat and break apart clogging the exit port.
What to do if your engine has black smoke coming from the tailpipe?
By removing each cylinder spark plug and checking their condition (black or wet with fuel) you can identify the afflicted cylinders. Once completed remove the injector (s) for a physical and ohms test across the coil. Remove the EGR to check valve operation. When this valve is not in operation it should remain closed.
Why does my engine run rough at idle?
This can also have a result on the muffler system again vastly restricting the exit performance of exhaust gases (engine). Excess carbon build up can cause the EGR valve to stick open allowing intake pressures to drop and the engine to stall at idle and run rough.
When does the smoke clear up after Idle?
If my truck is warm and I sit at idle for an extended time (5 min or more) when I take off there is a large cloud of blueish smoke. After driving for a short while (3 min or so) it clears right up and doesn’t do it again until long idle.
Melted engine coolant temperature sensor. Black smoke means increased exhaust temperature and particulates. This can have a negative effect on particular parts of the exhaust system such as the catalytic converter. Over possessing fuel will cause the catalytic converter to overheat and break apart clogging the exit port.
By removing each cylinder spark plug and checking their condition (black or wet with fuel) you can identify the afflicted cylinders. Once completed remove the injector (s) for a physical and ohms test across the coil. Remove the EGR to check valve operation. When this valve is not in operation it should remain closed.
What kind of smoke comes from a diesel truck?
Let’s talk about the different colors of diesel exhaust smoke, their causes and solutions. Gray or Blue Smoke from Diesel Exhaust. Newer, low mileage truck owners can skip this paragraph, but many of us like to have a worn out beater truck laying around, or maybe your teenager bought their first car from a not-so-honest guy.