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  1. Jetta Junkie Announcements
    Hi. Gearchirper here, im new to the forum. So i have this jetta that's not being a team player. I am a mechanic and love to share advice good and bad. But mostly good. Ive changed just about everything in this 2.0 engine but have this god awful misfire. I know what your thinking. this noob has...
  2. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    Bought a 2003 2.0 Jetta GL with 150k on it KNOWING it had a cat issue. Was very well taken care of, previous owner didn't want to shell out 500 plus labor for the cat. I replaced all 4 spark plugs AND wires, and drove it for 250 miles to make sure I ran a drive cycle through it, and checked the...
  3. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    Hey everyone, This is my first post/question. So hang with me. My car is a MK4 GLI 1.8t w/140K miles. It has been randomly misfiring for awhile now. The codes I get are P0300, and then random cylinder codes follow it. The most frequent codes that follow are P0302 and P0303. Sometimes cyl...
  4. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    Hey guys. So I'm taking a long shot here before I throw in the towel on my Jetta. I've got a 2000 VR6 148,000 5-speed. It was in bad shape when I bought it a little over a year ago, but I scooped it up cheap so I couldn't complain. Possibly relevant weather info: I'm in central PA, and it's...
  5. VW Jetta MKV 2005.5–2010
    just some info, I have owned this car for over 4 years and love it, been an everyday driver for me up until 2 weeks ago... my wife recently started driving my car and two weeks later I get in and start driving, and (of course) the problems start... First, when i started the car it seemed a bit...
  6. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    I recently bought my second Jetta a 02 GLS 1.8t tiptronic. Couple hours after I bought it the check engine light came on. The next day I went to start it and it wouldn't start, so I got a jump and it started up. Then couple hours later it wouldn't start again so I replaced the battery and it...
  7. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    I have a 2001 Jetta 1.8t wolfsburg edition. It started running weird yesterday. It was idling rough and missing. I was able to drive it but it wouldn't go above 55mph and it started stinking. I checked the codes and it said cylinder 2 was misfiring. So i got all new spark plugs, didn't fix it...
  8. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    I have an interesting problem, in gears 2,3,4 I experience a misfire or hesitation to build boost, almost like its lugging out. It happens between roughly 2200-3000 rpms, and once it hits 3000 it runs normal. It happens most frequently under heavier acceleration, but not always. Its an 03 1.8t...
  9. VW JETTA OWNERS & ENTHUSIASTS INTRODUCTIONS
    I thought that I was getting a good deal, but all I got was ripped off! Now that I'm stuck with a lemon, I'm also getting the runaround on a diagnosis. Okay, here goes: it reads a misfire code, a coolant code, and one for the catalytic converter. My biggest concern is, it runs at 3k rpms at any...
  10. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    Looking for Help with Misfires and "System Too Lean" Codes **Codes Scanned & Posted** The G/F's MK4 1999.5 2.slow has been running really sluggishly and on some days shes been reporting misfires when under load going up hills while the engine is cold (CEL Flashing). When the car is warm its...
  11. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    So my Jetta is acting up has had a CEL for a while but i was never told due to me being deployed and the person driving my car didn't care. So I plugged the 'ol OBD2 reader into it and it throws these codes: P0300 Randon Misfire Detected P0301 Cyl. 1 Misfire P0305 Cyl. 5 Misfire P1237 Cyl. 1...
  12. Jetta Troubleshooting
    I recently purchased my 98 Jetta GLX VR6 in February of this year. Its got 150k miles but was running like a top with no lights for a couple months. However, once spring got a foot hold here in Maine I have had some trouble with the ol girl. It only happens when it rains, and only first thing...
  13. Blog
    Okay, So I'm gonna be buying a '00 or '01 Jetta, Not sure the engine but It's probably a 2.0 The guy is gonna sell it to me for a couple hundred bucks. Awesome deal, only problem is an engine code for cylinder 2 misfire keep coming up on it. I know this is a common problem for the Jetta's BUT...
  14. VW Jetta MKII 1985–1992
    My Jetta is misfiring at the coil. You can actually see the blue arc when you hear the miss right on top of the coil. My question is this, since it's obviously not a spark plug wire boot issue (I wrapped the boot nearest the misfire with heavy electrical tape just to make sure) are these coils...
  15. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    Here we go into another saga of Fireblades little Nazi. Aight guys put new Set of iridium ngk plugs in the JET. But before this I was throwing a P0420 a catalyst below threshold. Then did tune up like stated 3 days later car is running horrible turns out I'm throwing a p0420 and a p0302...
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