Detroit diesel white smoke. 7 blows white smoke at starup.

• Detroit diesel white smoke when im in 2nd or 3rd and you race up in speed and let off the throttle real quick, white smoke wil come out pretty heavy. Page 2 of 4 < Prev 1 2 3 . Now it emits enormous clouds of white smoke. It always ran okay until yesterday. 2. Check for improper injector calibration setting; refer to section 10. It's the white/blue unburned diesel fuel smoke, the kind that you see at cold startup. White smoke from a diesel engine is caused by the temperature being too low in the combustion chamber. Usually, white smoke indicates that the diesel fuel is not burning correctly. It typically signals an issue that requires attention. [b] If the engine exhaust emission is excessively white, shut down the engine. Oct 2, 2021 · I've got an 98 379 with a Detroit 12. I stopped and everthing That is how I found out about the water problem. But my engine now smokes when I reach 1400-1500 rpm's (blk smoke). Excessive exhaust smoke can be due to a number of reasons. SOLD: '97 C3500 Crew Cab Long Box Dually 6. If the coolant drains out the air box tube then your liner seals might be fried or leaking. Perform the following steps to check for white smoke:‪ Reconnect fuel return line. Start the engine. Re: 6-71 smoke'n run I have several old detroit diesels, and they all have one in common, they smoke. Whether it’s fuel injection issues, coolant leaks, or cold starting problems, addressing the root cause promptly can save you time, money, and headaches down the line. 4 Check Crankshaft Position Sensor Status". But the guy i got the truck from ran tru duel from headers back, and man in the morning it looks like my house is on fire, with all the smoke. Start and run the engine. this problem is random. The engine should burn pretty clean if it's hot. lol, but once warm is pretty good. I checked for air bubbles in the radiator and it looks good. Sep 10, 2020 · I have a very old forklift with a 3-53 engine. White Smoke: White smoke coming from the exhaust usually points to one point of failure: the injectors. The issue I'm having is at lower rmp just barley rolling into the throttle it will start choking and slight backfire along with raw smelling grey smoke out the stacks. 7 98 12. starts fine but misses. 7 blows white smoke at starup. steady white smoke with clouds when the throttle is revved. Oct 4, 2020 · Perform the following to determine if replaced drive hubs and coupling resolved excessive white smoke: 1. Nov 21, 2009 · Well its white then goes to whiteish/grey. Now, it puffs a huge, billowing cloud of smoke that is quite large and embarrasing. Oct 4, 2020 · Detroit Diesel Customer Support Center (313–592–5800). the truck has true dual exhaust and out the pass side it puffs LOTS of blue smoke, but not out drivers side. Sep 20, 2012 · Got home yesterday and was pulling in when all the sudden my truck started pouring out white smoke! There was no difference in how it ran. 7 60 series. Jun 12, 2019 · White Smoke Check. 2 diesel with a white smoke and a little rough. Aug 25, 2007 · Next is to watch the air box drain while you do this pressure test. We were able to isolate this issue to just one cylinder (closest to the transmission Jul 23, 2009 · '04 Freightliner, Detroit Diesel problem blowing white smoke Discussion in 'Trucks [ Eighteen Wheelers ]' started by Gusarski, Jul 23, 2009. Dec 13, 2004 · My 6. Jun 1, 2023 · White smoke from your Detroit Diesel engine can be concerning, whether you’re powering a marine vessel, truck, or industrial machine. The engine also sounds like it is backfiring into the intake with Jul 26, 2020 · Building A Detroit Diesel 8V71 Long Block Video; Detroit Diesel 8V92 Cylinder Head Valve Assembly Video; Detroit Diesel 8V71 Long Block With Injectors Video; Turning The Crankshaft Manually Video; Finished Detroit Diesel 671 Long Block Video; Injector Timing (Detroit Diesel 671) Video; Installing The Injectors In The Cylinder Head (Detroit Nov 7, 2006 · I was coming to the end of a 4000 mile trip in a 59 GMC 4104 , with about 150 miles left and I look in my rear view mirror and Iam blowing whitish gray smoke like a fricking bug fogger. the motor sat between 10-15 years with out running it has a rebuilt tag White smoke can be caused by numerous things, but the most common would be raw unburnt diesel passing into the exhaust. Shut down the engine. Customer: My detroit 12. Run the engine speed to full load. It used to just puff a few small clouds of smoke for a few seconds, and then clear up when first started. 3. If white smoke is not present, refer to "20. 2L TD is smoking more than it used to. • Detroit Diesel 6-71 Lubricating Oil Information Detroit Diesel 671 engines, like the others in the Detroit Diesel line, will probably spill some oil over the course of their use. 5 for exhaust caution before proceeding. Visually inspect the exhaust for excessive smoke. 22 Check Fuel Filters 98 12. Check for faulty fuel injector. And Dec 26, 2022 · In this video we cover 7 reasons why white smoke may be coming out of your Detroit Diesel engine. Also if the injector copper install was improperly done the injector tube can leak inside the combustion area and cause white smoke from the engine while running. 4. Th is typically occurs with severely defective injectors, poor cylinder compression or even an issue with injection timing. Run the engine at idle with a no-load for approximately 5 minutes, allowing the engine coolant to reach normal operating range. No codes. To help you diagnose the problem, we’ll explore seven common causes of white smoke and provide actionable solutions to keep your engine running efficiently. Look for white smoke coming out of the exhaust stack while cranking the engine. smells like dieselwhat can cause this? Ninjectors are the same from my old engine which did not do this. . Mark - Courtice, Ontario, Canada. but i just told myself if • Detroit Diesel 6-71 Lubricating Oil Information Detroit Diesel 671 engines, like the others in the Detroit Diesel line, will probably spill some oil over the course of their use. Newer electronic diesel engines with common rail injectorssimultaneously match the speed of the turbo with the metered flow of diesel fuel into the cylinder. 2. [a] If the engine exhaust emission appears normal, no further troubleshooting is required. It does not smoke at low rpm's and it will not pass those rpm's. Refer to section 8. 98 peterbilt 379 with a 12. Visually inspect exhaust for excessive white smoke. May 8, 2012 · To determine if aerated fuel is causing excessive white smoke, perform the following steps: ‪ Disconnect the fuel line return hose from the fitting located… Excessive White Smoke Series 60 Defective Fuel Pump Diesel engines are known for blowing black smoke during acceleration but, is that bad? Is it a sign of trouble? What causes black smoke? Let’s answer those questions and more. 7 detroit popping and blows smoke out the stacks. Try closing the shutters (if available) or blocking the radiator to get the temp up. I have spent a lot of money so far and don't want to spend more in the wind without testing and confirming the problem. but like for instance. 2 starts after 17 seconds of manual glow plug time. White smoke in a detroit could be water, but more than likely it is unburned fuel. To determine if a faulty fuel injector is causing excessive white smoke, perform the following: 1. 7 detroit popping and blows white Oct 4, 2020 · 3. ’ With this in mind, replacing the oil is extremely important. Upon further inspection I noticed it was only coming out of the passenger side exhaust. Jun 6, 2010 · White smoke on a hot diesel engine is typically not incomplete combustion though unless it's you have a cylinder with REALLY bad compression. The smoke is definitely unburnt fuel and NOT coolant as it smells like fuel. All the gauges looked good ,the only difference there was a slight loss of power. In this video we cover 7 reasons why white smoke may be coming out of your Detroit Diesel engine. What does Black smoke from a diesel engine mean? Black smoke occurs when partially burned fuel passes through the combustion chamber. Understanding the Causes of White Smoke in Diesel Engines Jan 28, 2025 · Fixing white smoke from a diesel engine is not just about clearing the smoke; it’s about addressing the underlying issues. This has earned the discharged oil the affectionate nickname of ‘slobber. This can happen when either there is raw diesel fuel that passes through to the exhaust, engine coolant is entering the combustion chamber, or the piston or other components are worn, damaged, or not correctly installed. If white smoke is present, refer to "20. Mar 7, 2025 · In summary, white smoke from a diesel engine is a red flag that shouldn’t be ignored. 5 Turbo Diesel. But with white smoke, it's typically linked to contaminants mixing with fuel and air during the combustion process. Nov 8, 2011 · OK, it cold here now and my 1984 gmc with 6. Oct 3, 2020 · Perform the following to determine if the replaced fuel injector(s) resolved the excessive exhaust smoke condition: 1. When I would drain the water and change the filter the smoke would be little but the engine would rev up to 1900 rpm's and more allowing the turbo to kick in. Another reason you may see white smoke exiting your tailpipe is coolant making its way into your cylinder. Feb 22, 2005 · Got a tough one, late 88 6. Sep 14, 2020 · The diesel engines' efficiency has improved significantly over the years, so any thick smoke coming out from the exhaust pipe should be a cause for concern. Check for faulty fuel. May 26, 2013 · im working on a 453 detroit diesel that when you cranking it over to start it blows white smoke out, you have to crank about a 45-60 sec to start once it starts its gone, after it is warm it starts right up with no smoke. I have done a compression test and all cylinders test fine with 425-450 psi. By following these steps and understanding the common causes, you can effectively tackle the problem and ensure your engine runs smoothly. fue igdjx cgj ndafpq vigd auj rki dltrf dlvg yktw ekek dfqwxd hfboam cgtqu tuis