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  1. Wild (but predictable) downshift in 2nd only, on acceleration only

    Repair Questions
    Hi all, 2004 Xterra V6, Automatic 2WD, in Florida. Weather is 60 - 74, beautiful right now. I just changed the a/c belt today (confidence builder, I'll tackle the others soon). Also decided to adjust my timing a bit. She's been pinging on mid-grade gas. All went relatively smoothly, except...
  2. p0171 p0300 2006 xterra

    Repair Questions
    I (my girlfriend) has a 2006 xterra, 4.0, a/t. Recently on a trip I noticed the ses light came on. scanned for codes when we got home, found p0171 lean bank 1 sensor 1. cleared the code and it ran a little strange since then. Finally it acted up enough at a higher RPM( merging into traffic )to...
  3. Rough Idle & Drive w/ Flashing SES

    New Member Introductions
    My 03 Xterra SE (150k miles) has a rough idle and continues to drive rough. I have not accelerated past 40mph but it is consistently rough throughout driving. The Service Engine Soon light flashes, too. But, no code registers when I scan for it. I have taken it to Autozone and Firestone but...
  4. Coming back!

    New Member Introductions
    Hey guys! Once again I'm back from the world of Dodges! I got handed down my Dad's 02 SE Xterra! I've already started to do some Mods to it! I re-did the sound system (pioneer head unit, currently adding my sub, and re-doing the speakers), I've cut the plastics out of the wheel well to fit...
  5. SES codes

    Repair Questions
    i noticed my check engine light came on this evening, no idea why,i cant tell a difference in the driving, its not running hot, no odd noises,although i feel like i went from getting 20 +mpg to like 10...but that may just be in my head i manually got the light to tell me the codes and got 0430...
  6. SES light! Need help!

    Repair Questions
    Hey every one so I was on here researching engine codes I have a 2007 Xterra with 88,xxx miles. I got the codes, but I just don't know where to go from here, the research Ive done all says o2 sensor but i just wanted to bring it up here and see what you all had to say. Any advice on what i...
  7. SES light clears itself??

    Repair Questions
    Just curious what made this possible: I have an supercharged '03 that recently threw a 0430 and 0328 error. I didn't notice anything overtly wrong (everything continued to run and sound fine). I cleared the light but the SES came back on after about 10 miles. It has been on steady for about...
  8. '02 Xterra SES Codes P0303 P0340

    Repair Questions
    2002 Xterra XE, 3.3L, 4x4 Last 4 months w/ bad miss-firing & engine running rough... very random, at idle, on highway - esp. ~ 60+mph - car is bucking... very intermittent fine for a while then bad.. worse on hills, used to be able to fight through it driving RPMs up, but worse now... SES...
  9. Bad Thermostat? P1126

    General Discussions
    I recently purchased a 2001 Automatic Xterra SE (xtreme). Since I bought it (2 months ago) there has been a smell that resembles burning coolant. I'm not leaking coolant but every 100 miles or so I need to add about a cup of coolant in the resevuar. ... my biggest fear was a cracked Head Gasket...
  10. P1126 - Thermostat? Coolant

    Repair Questions
    This is my first post as a new member, I appreciate any help. I recently purchased a 2001 Automatic Xterra SE (xtreme). Since I bought it (2 months ago) there has been a smell that resembles burning coolant. I'm not leaking coolant but every 100 miles or so I need to replace about a cup of...
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