2004 Jetta Cold Start problems.....
O.k. fella's , first let me start by saying that I have been reading and searching for hours, but I still have a few questions.
I installed a timing belt (thanks to your help) last year and since then I have had a hard start problem, but only when it's cold out. It stalls often when it's first started and it puffs quite a bit of smoke. Through the summer I had no problems. The colder it gets the worse the symptoms get.
I should note that it does start, it just runs really bad and stalls. I have owned the car since it was new and this is not the way it was originally. The current temps around here at night are about 40 degrees Fahrenheit.
(occasionally if you hit the gas in park, it does nothing, just sits there and idles with the pedal all the way to the floor, but after a few minutes everything is fine.)
I recently had the Glow Plug recall done, with the ECU update and this did nothing to help my problem. I then broke down and took it to a local dealer. After 2 days of 'mis-diagnosis', I was told it was the coolant temp sensor. They wanted $400.00 to replace it. I declined the repair and did it myself for $35.00 and it took 15 minutes. (again thanks to this site
) I installed the 'Green' one.
The problem is still there.....I was told by them that there were no Dtc's.
I have read that it could be my timing, but I have also read that the timing can not be adjusted? Which is the case? Also if it can be adjusted, how do you do it, what value's should I set/reset and to what specs? The Dealer said they reset 'everything' whatever that means.
Any help or insight would be very much appreciated.
2004 Jetta BEW TDI, 85,000 miles, Automatic, new fuel filter, air filter, proper oil, new coolant temp sensor.
Thanks, Paul
O.k. fella's , first let me start by saying that I have been reading and searching for hours, but I still have a few questions.
I installed a timing belt (thanks to your help) last year and since then I have had a hard start problem, but only when it's cold out. It stalls often when it's first started and it puffs quite a bit of smoke. Through the summer I had no problems. The colder it gets the worse the symptoms get.
I should note that it does start, it just runs really bad and stalls. I have owned the car since it was new and this is not the way it was originally. The current temps around here at night are about 40 degrees Fahrenheit.
(occasionally if you hit the gas in park, it does nothing, just sits there and idles with the pedal all the way to the floor, but after a few minutes everything is fine.)
I recently had the Glow Plug recall done, with the ECU update and this did nothing to help my problem. I then broke down and took it to a local dealer. After 2 days of 'mis-diagnosis', I was told it was the coolant temp sensor. They wanted $400.00 to replace it. I declined the repair and did it myself for $35.00 and it took 15 minutes. (again thanks to this site
) I installed the 'Green' one.The problem is still there.....I was told by them that there were no Dtc's.
I have read that it could be my timing, but I have also read that the timing can not be adjusted? Which is the case? Also if it can be adjusted, how do you do it, what value's should I set/reset and to what specs? The Dealer said they reset 'everything' whatever that means.
Any help or insight would be very much appreciated.
2004 Jetta BEW TDI, 85,000 miles, Automatic, new fuel filter, air filter, proper oil, new coolant temp sensor.
Thanks, Paul
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