2006 jetta tdi bad egr symptoms. Understanding how this component works and what happens when it fails can help you keep your engine running smoothly and efficiently. seems to run ok once on highway, but mpg is slipping. I took it to a list tdi guru on here to get the timing belt done. These issues were attributed to a clogged EGR valve and a vacuum leak, both of which were confirmed by a mechanic. I've ruled out N18 (12V got solenoid moving just fine), EGR is clean from previous owner, EGR diaphragm holds vacuum. We did and no heat, which means a clogged heater core, so this is Oct 14, 2015 · Blown head gasket. The symptoms: occasional loss of power rapid clicking noise when the engine May 19, 2013 · BRM: 2006/65k miles, Won't start, tons of smoke, codes inside, harness looks okay 2006 Jetta, 100hp PD engine, about 64k miles. The 2004-2006 EGR system takes in gas at the exhaust manifold, sends it through a diverter valve, then the EGR cooler, then through the EGR/diverter valve into Jan 8, 2013 · I have seen quite a few posts about similar symptoms, but I'm still at a loss. In this video, we cover the five most common bad EGR valve symptoms. Watching this video will help you diagnose to see if it's time to replace or clean your EGR valve (exhaust Aug 25, 2017 · Hello I'm new to this page and I've been reading a lot about the bad EGR cooler and I had the same symptoms and I saw where it was leaking so I've decided to egr delete so do I need that tune when I egr delete it or can I drive it for a little while without the tune? Nov 10, 2013 · Hi I have a 2006 Jetta TDI with the 5-spd manual. This process reduces tailpipe emissions. Apr 21, 2011 · This post is to serve as an FYI to other Jetta TDI owners. 0 TDI engine is considered reliable when properly maintained, but it does have its share of potential problems, particularly in earlier EA189 engines. So he recomended to replace it. Oct 18, 2000 · Most Common Causes Of Turbocharger Failures Approximately 40% of all turbocharger failures are oil-related. Ended up being a stuck EGR valve. Common symptoms of a bad EGR valve include a lit check engine light, engine performance problems, and spark knock. Started to sputter with loss of power after 2000 RPM. What The 1997-2003 1. 9L TDI systems take in exhaust gases at the exhaust manifold, send them through the EGR cooler (except North American market 1996 passat), and then into the intake manifold through the EGR valve at the intake manifold. Another oil-related turbocharger failure is lack Signs of stuck open or stuck closed egr valve going bad. Jul 9, 2010 · My 2006 Jetta BRM has not been providing the fuel economy that I expect, even though the car seems to run very well. The repair involved replacing the EGR valve, cleaning the Mar 25, 2025 · As the heart of the EGR system, the EGR valve reduces the overall NOx emissions that leave the tailpipe. Oct 11, 2009 · Any symptoms of a worn camshaft just point to the need for an inspection. Apr 6, 2012 · I have a 2006 jetta tdi, that has 98,000 miles on it. Discover 8 key symptoms of a bad EGR valve, what causes them, and how to fix the issue before it hurts engine performance or causes severe damage. In most cases egr valve fail due to carbon May 7, 2021 · Buy Here: VW 1. Heavy black smoke rolls out. 9 TDI Clogged EGR Valve The exhaust gas recirculation (EGR) valve is a common problem in a majority of diesel engines today. Common issues like DPF clogging, EGR valve failure, and timing belt problems can be managed with routine maintenance and proactive care. I'll also show you how to test your EGR valve and teach you some causes of why this happ May 7, 2021 · Buy Here: VW 1. I have a 2002 TDI with about 27K miles, which died on me this weekend. I was told it was probably a boost line leak, but that wasn't the cause. Contaminated or sooted dirty oil leads to bearing scratching and scoring which cause excessive bearing wear and premature bearing failure. May 19, 2013 · BRM: 2006/65k miles, Won't start, tons of smoke, codes inside, harness looks okay 2006 Jetta, 100hp PD engine, about 64k miles. The main purpose of the EGR system is to reduce emissions coming from the engine going out of the exhaust. Had P0101 code (MAF sensor/large vacuum leak). Symptoms: Erratic power when P0402, '02 TDI Jetta Wagon Helpful post among all of those on the P0402. From the soot output it is a small leak. Idles fine, but makes a rattling/sputtering noise when accelerating. Nov 23, 2024 · The VW 2. Despite that, I repeatedly get the MIL (Check Engine Light) to light up, but only when I'm coasting/letting the car Dec 30, 2012 · 2009 VW Jetta TDI GTB2260VK, Colt Cam, HP/LP EGR delete "Daily" 303WHP/491WTQ Da Build Reply Like T tran0262 Discussion starter Dec 28, 2004 · Hello, I've registered as a new member in hopes of finding out whether other TDI owners have had this problem. VW 1. As the title suggests I'm wondering if I have a bad headgasket or if there is something else I should check first. When i arrived he said that i had a egr leak and showed me what is happening and where it was. I searched this forum and didn't come up with the problem I just encountered, so I thought I would post about it. There was an aftermarket boost gauge line installed that I removed . I've got all of the same symptoms miketoth described - great performance, yet this code. Aug 23, 2021 · In this video, you will learn 5 symptoms of a bad EGR valve (exhaust gas recirculation). The car: 2006 Jetta TDI. Over the last year it was losing power and smoking more. Exhaust Gas Recirculation (EGR) The EGR system takes exhaust gasses and cycles them through the combustion chamber a second time. It's now in the shop, and turns out my EGR valve was stuck shut due to an accumulation of carbon /carbon Jun 6, 2006 · Just wanted to post about the bad EGR in my Jetta. Car is 1 week new to me. Insufficient Flow The flow of exhaust through the EGR system is too slow. Jul 30, 2015 · my 2006 Jetta 1. Now with pics! Pretty sure I already know the answer but I figured I'd ask here before tearing the motor completely down. Logging MAF, boost pressure, EGR specified and EGR actual has yielded unexpected results, in that Dec 2, 2018 · Volkswagen Jetta P0401 Meaning Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The low pressure EGR gasses are filtered before being sent through the cooler and back into the intake. As I am a machinist with a shop at my disposal, I would like to make the brass bushing to fix the problem. 9l tdi, makes a sucking sound when accelerating. At the end the engine hardly started, would knock Aug 15, 2013 · Clogged Heater Core- 2014 Passat SE 6 MT My 2014 Passat TDI SE just coded for 8215 EGR System P2457 Insufficient Cooling Performance Fault Priority:2 Fault Frequency: 22 Mileage: 105,802 kilometers, or about 66,000 miles I checked with a VW service technician and he checked and said, "Let's check and see if you have heat". Took to a VW Feb 25, 2025 · This guide covers the most common symptoms of a bad EGR valve, how to diagnose the issue, and the steps to replace it if necessary. In this video I discuss all thr classic symptoms of a stuck open or stuck closed egr valve. 2006 Jetta TDI BRM - 165,000 mi. The inspection should be done before making the decision to replace the camshaft, so what you really need is some threads showing pictures of what a worn cam and followers looks like. It drives okay and has good power throughout the RPM range, no unusual noises or smoke as far as I can tell, but I'm no expert. I have a VCDS and have been trying to make sense of the data that I am seeing. Mileage went down as well. Totally stock. There are three steps to testing the EGR valve: checking DTCs, carrying out a visual inspection, and testing the valve itself. Sep 12, 2016 · A few months back, my 2006. This was a sudden event, the car has been working Mar 14, 2023 · Are you suspecting that there is something wrong with your EGR valve? Here are the most common symptoms of a bad EGR valve, location & replacement cost Jun 5, 2005 · My 2006 Jetta TDI has 250,000 km on it and is hissing loudly and filling the cockpit with fumes. I'll resurrect this one. 9 TDI OEM Injector Replacement Set DIY Difficulty: Intermediate 3. My wife's car started smoking heavily (black smoke, so too much fuel) and lost a lot of power on a hill today. 5 Jetta TDI starting acting up with the following symptoms: under moderate acceleration, at ~1800-2000 RPM, the car would A 2006 VW Jetta exhibited symptoms of a faulty EGR valve, including a persistent check engine light, weak acceleration, smoke from the exhaust, a hissing sound, rough engine performance, and increased fuel consumption. The 2009+ Jetta, Golf diesel, and Audi A3 TDI have a more complicated EGR system.