Carbon Cleaning is the solution. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. He has certifications in automation and control technology. If this isn't possible, skip to the next step. they charged me $362.93 plus gst and supplied a Isuzu boxed and branded part . If a 4jj1 can do 400,000kms without a engine rebuild or mods I am happy with that . Question: My wife's 2006 BMW 330CI throws out a thick black and blue smoke when started if the engine is cold, could this be the EGR valve? If you notice your vehicle running poorly, stalling or having poor gas mileage, you should test the EGR. To deal with rock-hard buildup, leave the valve soaking in the cleaning solution for a few minutes. Answer: Carbon buildup can cause the EGR valve to remain partially open, that’s when you begin to see a drop in fuel mileage. Answer: Yes, a type of alkaline is the main basic component. They are the EGR Valve, Differential Pressure Sensor, and the Actuator Solenoid. Let it soak overnight if you can. Cleaning helps your diesel engine run smoothly and it's possible to bypass the valve to increase performance, and economy. this is the latest in EGR modules for this particular model. That can be a mistake. There are three main parts of the Colorado’s EGR system. Now you can reinstall your clean EGR valve. Just don't let the cleaner touch electronics, electrical components, or plastic parts, or you'll ruin the valve. Have an idea? Answer: I don't have the repair manual for the model with me, but I believe is pretty close to the intake manifold. I'm not really good with mechanics. Answer: Black smoke expelled from a vehicle is associated with rich fuel mixture - during a cold start, this could be a leaking injector. Several road tests later, the problem was declared solved. The manual tells you not only the location but provides illustrations and photos of the valve and related components, troubleshooting procedures, and the necessary steps to remove and replace EGR system components like the EGR sensor, vacuum hoses, and pipes. Save the remaining paper for other gaskets you'll need in future repairs. The exhaust gas recirculation valve within your vehicle is a crucial component in reducing harmful emissions and ensuring your vehicle runs smoothly. Open the hood and locate the EGR valve. It goes without saying that your vehicle's engine should be turned off as well. If you are still experiencing problems you feel can be traced to the EGR valve, you may have to go ahead and replace it. Let it soak overnight if you can. You're mostly trying to get rid of buildup around valve passages. the EGR valve was rechecked and it seemed OK. If your gasket looks okay and isn't torn, frayed, or disintegrated, you can reuse it. It's fast, cheap, and reliable. Also, your valve may connect to a pipe coming from the exhaust manifold. The EGR OFF Module electronically switches off the EGR motor valve via the factory ECU for the Holden Colorado 2.8L 2015 onwards. No loss in rpms though. On the post Mid 2013 Colorado and Trailblazer 2.8L We have the fix for the dash lights and no temperature reading that was an effect on previous model EGR modules. Where previous EGR OFF modules would cause the Check Engine Light CEL to illuminate, we now have the Holden Colorado 2.8L 2015+ EGR OFF Module sorted. Will it clean out through the cylinder or start to run smooth again? The price of the component varies according to the brand and engine type, but the average price is somewhere between €310 and €745. If you notice your vehicle running poorly, stalling or having poor gas mileage, you should test the EGR. Question: If you clean the tube connected to the EGR will it help? Diagnosing what is causing the P0401 code in the Colorado is typically not very tricky. Most likely there's a leak in the EGR area, a torn gasket or loose bolt. Toothbrushes and pipe cleaners soaked in carb cleaner work great. Professional / Trade: Become a distributor center. If you decide to clean your EGR valve, it's not too difficult. By process of elimination, you can be relatively confident that the DPFE is at fault. Answer: There could be a coolant internal leakage into the combustion chamber. Verify all the wires in the circuit are properly connected. Try cleaning the EGR and, if necessary, intake manifold, first. Kathy Renae Putnam/Byrd on April 28, 2019: Ive put a blanking plate on my car i can now here a sucking noise of air and smell petrol eny iders please. You'll also need reliable eye protection and chemical-resistant gloves. Question: After I cleaned everything and vacuumed the intake out, it runs really bad. But the light doesn't stay on. DIY instructions for cleaning or replacing the MAF (mass airflow) sensor in a VW Jetta, Golf, GTI, Passat, New Beetle, A4. block it off and get a flash tune to stop the codes. Don't forget to reattach your vacuum hose and your electrical connections, if applicable. Carefully disconnect the hose from the valve. For a better experience, please enable JavaScript in your browser before proceeding. I’m going to clean it, as I just saw how dirty it was in there. The coolant also doesn't last long anymore and it burns coolant rapidly. You may recognize some of these bad EGR valve symptoms: That's why car manufacturers recommend cleaning the EGR valve and passages every 50,000 miles or fewer. I can hear the exhaust in a muffled tone. Put everything back in place and check that the symptoms have disappeared. Carbon deposits accumulate rapidly, especially if most of your driving happens within the city—going to work, driving to school, quickly running to the grocery store, and doing similar errands.

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