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VW Jetta TDI

3704 messages,  Last post on Nov 26, 2009 at 6:42 PM

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What is this discussion about? Volkswagen Jetta, Biodiesel, Diesel, Sedan

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#2661 of 3704 Re: MIL Light [paddler2] by bpeebles Jan 05, 2009 (4:48 pm)
Replying to: paddler2 (Jan 05, 2009 9:35 am) It is a sure bet that the act of replacing the alternator caused this problem.
#2662 of 3704 TDI cold start/idle issue by 05TDI Jan 06, 2009 (10:03 am)
I have a early 05 Jetta TDI/w 5 speed auto. I have a little over 100K on it, and have never had any engine issues, until now. I changed the timing belt a few weeks ago using a tool kit from dieselgeek to lock the engine components in place. I turned the engine over by hand(wrench) after with no issues. Started and drove the car when I was done and no problems. It took a few days to have cold temps out, but as soon as it got cold and every time since, if I start it when it's cold it idles rough; low then high RPM, and the engine is unresponsive to the pedal until the idle returns to normal, usually a minute or two. Then it runs as normal until it sits in the cold again. I took it to a VW mechanic for trans flush and while he was connected to it he looked and found no codes of any sort. He suggested air in the fuel line as I had also changed the filter, but i have put 2K miles since and it hasn't improved any. The dealer changed what they call the injection pump just after I got the car new, and I have had no problem of any sort until I changed the timing belt, but I don't know how this could have caused this. Any suggestions would be greatly appreciated! Replies to this message: badvw7 (Jan 06, 2009 10:44 am) bpeebles (Jan 06, 2009 7:16 pm) siberia (Jan 07, 2009 4:54 am)
#2663 of 3704 Re: TDI cold start/idle issue [05TDI] by badvw7 Jan 06, 2009 (10:44 am)
Replying to: 05TDI (Jan 06, 2009 10:03 am) It could be a stuck closed "intake flap", located in front of the EGR valve...   When looking at the engine, it's located behind & to the left of the oil filler cap.   Follow the black intake tube/hose (on the left) to where it attaches on the intake... that's the intake flap/EGR.   Make sure the black rod is fully extended away from the black pod (the vacuum operated device that sucks the rod in).
#2664 of 3704 Re: TDI cold start/idle issue [05TDI] by bpeebles Jan 06, 2009 (7:16 pm)
Replying to: 05TDI (Jan 06, 2009 10:03 am) Did you verify and validate that your IQ (InjectionQuality) is set properly. It is not unusual to have cold-temp running issues when the IQ is set too low (even when still in spec). I made certain my IQ is at the very top of the specified limits after TB replacement.   Even the local VW TDI guru (NOT DEALERSHIP!) has told me that he always sets IQ to very top of spec. when doing TB replacement.
#2665 of 3704 Re: TDI cold start/idle issue [05TDI] by siberia Jan 07, 2009 (4:54 am)
Replying to: 05TDI (Jan 06, 2009 10:03 am) We have the same vehicle year. Mine was purchased March 08 and starting and driving at 35 F then was fine. This year starting at 15 F and below is a bit different. For the first 30 seconds the engine sounds like a basket full of mechanical failure with the rpm fluctuating a little, then it straightens out. The engine is weaker when this cold but it's okay after a mile or so. When I do the timing belt in 15k miles I will pull the valve cover and inspect the cam and lifters for signs of failure related to the PD engines. Not drawing any conclusions, just FYI.
#2666 of 3704 What have you paid for your 2009 Jetta TDI? by BuffaloVWType2 Jan 08, 2009 (9:48 am)
I am interested in buying a 2009 Jetta DTI and I am looking compare the different prices that people have paid for their car. I am looking for an automatic transmission only. What have you paid?   THANK YOU! Replies to this message: redvw (Jan 08, 2009 10:55 am) shrifty (Jan 08, 2009 6:26 pm)
#2667 of 3704 Re: What have you paid for your 2009 Jetta TDI? [BuffaloVWType2] by redvw Jan 08, 2009 (10:55 am)
Replying to: BuffaloVWType2 (Jan 08, 2009 9:48 am) The price I paid for a 2009 manual TDI with optional rear air bags, sunroof, ipod adaptor, and splash guards is $24074. This price represents the options, the destination, and a fee to retrieve the vehicle from out of state.    Edmunds: MSRP $25458                 Invoice $23986                 TMV $25727    Thus $1384 under MSRP, and $88 over invoice.
#2668 of 3704 Re: What have you paid for your 2009 Jetta TDI? [BuffaloVWType2] by shrifty Jan 08, 2009 (6:26 pm)
Replying to: BuffaloVWType2 (Jan 08, 2009 9:48 am) I paid $24,368 for mine, automatic. No sunroof or nav, but it did include a lip spoiler and mudguards, and the upgraded floormats.
#2669 of 3704 considering tdi but diesel now more expensive by volvoguy4 Jan 09, 2009 (3:15 pm)
I have a volvo diesel car with over 300kmiles (I bought it used at 144k miles) and considering finally retiring it. Possible replacement is new VW TDI. However diesel costs now 2.35/gallon while gasoline costs 1.65/gallon. For past 13 years I did not make earnest diesel/gasoline cost comparison because of my volvo still very good runner. I did calculations with EPA mileage figures and at these comparison fuel prices it works out that new gasoline jetta costs 5.5cents/mile while TDI jetta costs 5.7cents/mile fuel cost. Is this correct? Is diesel now costing more per mile (fuel cost) in addition to performance handicap that I have always been aware of? Replies to this message: bpeebles (Jan 09, 2009 4:39 pm) shrifty (Jan 09, 2009 6:59 pm)
#2670 of 3704 Re: considering tdi but diesel now more expensive [volvoguy4] by bpeebles Jan 09, 2009 (4:39 pm)
Replying to: volvoguy4 (Jan 09, 2009 3:15 pm) You can be assured that any apparent gasoline fuel-cost advantage will be short-lived. You can be equally assured that the efficency of a diesel engine will always continue to be better than any gasoline engine.   Also, it does not appear if you have considerd in the PM (Preventive Maintenance) cost advantage of a diesel engine. For example, if your Volvo had a gasoline engine, you would have replaced sparkplugs, wires and several other ignition components many times over 300K miles. (and the engine would not have lasted that long anyway)   Additionally, most people with TDIs have discoverd that their MPG continues to increase over about 40,000 miles as the pistons seal within the cylinders. Most folks find that the EPA numbers are easy to surpass. (Expect over 55MPG on highway) If you plan on keeping your next car as long as your Volvo.. then a TDI is absolutely the right choice for you.   Finally, you are incorrect in assuming that performance does not match gasoline engine. The newer TDIs can easilly out accellerate an equal-displacement gasoline engine any day of the week. (All while consuming less fuel and creating less emmissions!)

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