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  1. Can a bad MAP sensor cause the engine to run lean?

    Started by chrisrexmandie, 08-02-2020 05:56 PM
    fuel, lean, map, p0171
    • Replies: 13
    • Views: 4,156
    Last Post: 07-17-2021 10:59 AM
    by mark97564  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

  2. Car running LEAN right after it was running fine for what reason?

    Started by bandook, 05-22-2019 08:53 PM
    5 Pages •
    1 2 3 ... 5
    car, fine, lean, reason, running 3 Attachment(s)
    • Replies: 97
    • Views: 47,285
    Last Post: 06-03-2019 09:37 AM
    by SgtMarshal  Go to last post

    Forum:
    General Tech Discussion

  3. 97 Grand Prix 3.8 n/a, P0171, P0174

    Started by rlervin, 03-01-2015 07:32 PM
    3.8 na, lean, p0171, p0174
    • Replies: 5
    • Views: 1,528
    Last Post: 03-02-2015 08:06 PM
    by rlervin  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  4. '02 Grand Prix P0171 after MAF replacement

    Started by blentz, 09-19-2014 09:39 PM
    fuel, lean, maf, p0171
    • Replies: 9
    • Views: 4,715
    Last Post: 10-05-2014 06:44 PM
    by Scottydoggs  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  5. reading spark plugs?

    Started by jrb1027, 06-22-2014 04:29 PM
    chipped, lean, spark plug
    • Replies: 2
    • Views: 1,029
    Last Post: 06-23-2014 05:14 PM
    by jrb1027  Go to last post

    Forum:
    General Tech Discussion

  6. Po170 Po300 Po560 system too lean , random cylinder misfire and iac rpm idle higher

    Started by mpiacc, 08-25-2013 11:54 AM
    cylinder, higher, iac, idle, lean, misfire, po170, po300, po560, random, rpm
    • Replies: 2
    • Views: 2,247
    Last Post: 08-26-2013 11:34 AM
    by mpiacc  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  7. Lean Cruise tune for an L26 Swapped 04 GT?

    Started by RivMan, 08-08-2013 03:49 PM
    cruise, l26, lean, swapped, tune
    • Replies: 2
    • Views: 1,181
    Last Post: 08-10-2013 01:25 PM
    by darkhorizon  Go to last post

    Forum:
    PCM Tuning

  8. Lean burn tuning

    Started by dsmuts, 08-06-2013 07:48 PM
    2 Pages •
    1 2
    burn, lean, tuning
    • Replies: 31
    • Views: 6,830
    Last Post: 08-08-2013 03:02 PM
    by GTPpower  Go to last post

    Forum:
    PCM Tuning

  9. Getting a lean code

    Started by 1999black3800, 06-18-2013 11:42 AM
    code, lean
    • Replies: 3
    • Views: 794
    Last Post: 06-18-2013 01:40 PM
    by darkhorizon  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

  10. Running rich at times then lean?

    Started by MustangKiller92, 05-21-2013 09:13 PM
    lean, rich, running, times
    • Replies: 2
    • Views: 1,436
    Last Post: 05-23-2013 11:16 AM
    by MustangKiller92  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  11. MAF honeycomb causing lean condition?

    Started by K Kraziee, 04-27-2013 08:47 AM
    causing, condition, honeycomb, lean, maf
    • Replies: 3
    • Views: 1,068
    Last Post: 04-27-2013 12:03 PM
    by dsmuts  Go to last post

    Forum:
    General Tech Discussion

  12. I got P0107 low lean.. what should I do?

    Started by tlawnewtograndprix, 03-23-2013 08:44 PM
    code, error, fixing, lean, low, p0107, system
    • Replies: 16
    • Views: 3,028
    Last Post: 04-15-2013 05:25 PM
    by tlawnewtograndprix  Go to last post

    Forum:
    General Tech Discussion

  13. Unplugged my MAF and still running lean???

    Started by slimguns, 04-01-2013 03:32 PM
    lean, maf, running, unplugged
    • Replies: 18
    • Views: 2,732
    Last Post: 04-03-2013 07:54 AM
    by BillBoost37  Go to last post

    Forum:
    PCM Tuning

  14. lean condition...

    Started by dieyanks13, 03-01-2013 12:20 PM
    condition, lean
    • Replies: 19
    • Views: 2,077
    Last Post: 03-15-2013 06:52 AM
    by BillBoost37  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

  15. Codes P0171 Lean Bank One

    Started by Garry, 01-30-2013 03:19 AM
    bank, codes, lean, p0171
    • Replies: 13
    • Views: 13,839
    Last Post: 02-07-2013 05:10 PM
    by Garry  Go to last post

    Forum:
    General Tech Discussion

  16. fixed the p0171 lean condition

    Started by Erik Adam Rodriguez, 01-24-2013 05:07 PM
    condition, fixed, lean, p0171
    • Replies: 12
    • Views: 3,710
    Last Post: 01-27-2013 10:00 PM
    by Erik Adam Rodriguez  Go to last post

    Forum:
    General Tech Discussion

  17. lean

    Started by illy, 09-29-2012 11:38 PM
    exhaust, fuel trims, lean
    • Replies: 19
    • Views: 2,912
    Last Post: 10-19-2012 07:40 AM
    by Erik Adam Rodriguez  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

  18. Misfire, running lean

    Started by PontiacL32, 09-25-2012 08:38 PM
    lean, misfire, running
    • Replies: 3
    • Views: 1,136
    Last Post: 09-25-2012 11:55 PM
    by PontiacL32  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

  19. Rough idle

    Started by GTP2188, 07-12-2012 10:17 AM
    idle, leak, lean, maf, rough, rough idle
    • Replies: 11
    • Views: 2,456
    Last Post: 07-25-2012 03:12 PM
    by Scottydoggs  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

  20. How to lean a car out with DHP

    Started by dsmuts, 07-11-2012 04:45 PM
    car, dhp, lean
    • Replies: 16
    • Views: 1,976
    Last Post: 07-12-2012 10:18 PM
    by darkhorizon  Go to last post

    Forum:
    PCM Tuning

  21. Running lean- Opinions?

    Started by Ultra440, 06-27-2012 05:36 PM
    lean, opinions, running
    • Replies: 7
    • Views: 1,075
    Last Post: 06-27-2012 10:47 PM
    by Tuner-Extraordinaire  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

  22. #4 misfire during boost, also bank 1 lean

    Started by petebjork, 06-01-2012 11:44 PM
    bank, boost, lean, misfire
    • Replies: 0
    • Views: 1,226
    Last Post: 06-01-2012 11:44 PM
    by petebjork  Go to last post

    Forum:
    Introductions/Noob Questions

  23. Running lean?

    Started by MrTube, 05-04-2012 07:28 AM
    lean, running
    • Replies: 7
    • Views: 1,761
    Last Post: 05-05-2012 01:05 PM
    by cerick08GP  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  24. P0171 - System Too Lean (Bank 1)

    Started by siege101, 11-10-2009 10:03 PM
    bank, lean, p0171, system
    • Replies: 17
    • Views: 24,774
    Last Post: 04-28-2012 07:48 PM
    by Rico  Go to last post

    Forum:
    General Tech Discussion

  25. Getting the idle lean again

    Started by Sandman, 04-12-2012 04:46 PM
    idle, lean
    • Replies: 10
    • Views: 1,070
    Last Post: 04-15-2012 10:57 PM
    by Sandman  Go to last post

    Forum:
    PCM Tuning

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