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  1. MK4
    Okay, guys, can anyone offer advice about this problem? 2001 VW Golf 1.8T AWW, three weeks ago it popped a code p0171. The car continued to run without noticeable problem but as it's done 165,000 miles, and general consensus was a faulty MAF, I decided to replace it. Bought an OE replacement...
  2. MK3
    Ok, here is the deal, after the car threw me a p0103 and p1580 on an OBDII scanner, I replaced the MAF, Throttle Body( not adapted), and the forward 02 sensor for good measure. the idle is at 1400 for a second then drops down to 900 and climbs back up to 1400 again. over and over this happens...
  3. MK4
    Hi, Couple months ago I had the "major" vacuum line replaced by the stealership and had the oil pan dropped, new screen, sludge cleaned out. Just recently I got a P0171 code. Took in into my local shop, they checked all the hosing, cleaned the sensor connection for the MAF and reset the...
  4. MK4
    Facts 2001 Vw Jetta 2.0 completely stock (duh why would you modify a 2.slow, ok I admit that was unnecessary) Runs like crap at an idle with MAF plugged in. Unplug MAF and it runs great. It can't be a bad MAF because this is the 2nd new one and also tried one out of another Jetta that works...
  5. MK5
    I want to install a CAI on my 2.5 and i noticed two vacuum lines that operate off the intake close to the throttle body and im wondering what they go to/what they do and if the CAI's i find online are suited to accept these two lines without throwing a code or harming anything. also, does the...
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