Forum: 3.1L V6 (LHO/LG8)

Available starting in model year 1989. Also made a Turbo version

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Iceman6669 (The Boss)

12-20-2017

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Sticky: For You 3100/3400 Guys!

Started by blueguy, 10-26-2011

Replies: 2
Views: 20,900

Last Post By

ctracer

10-26-2011

03 GP overheated and will not start now Started by Tony James, 04-02-2011	Replies: 0 Views: 1,413	Last Post By Tony James View Profile View Forum Posts Private Message View Blog Entries View Articles 04-02-2011
03 grand prix 3.1 problem Started by jtheripper211, 05-09-2011	Replies: 12 Views: 1,805	Last Post By dsmuts View Profile View Forum Posts Private Message View Blog Entries View Articles 07-03-2011
03 pontiac grand prix 3.1 Started by 94grandprix, 03-13-2016	Replies: 9 Views: 2,162	Last Post By SubwayGuy View Profile View Forum Posts Private Message View Blog Entries View Articles 04-15-2016
0405 code Started by lewis1952, 11-15-2013	Replies: 1 Views: 683	Last Post By dsmuts View Profile View Forum Posts Private Message View Blog Entries View Articles 11-15-2013
165,000 Miles, any Gotcha's to lookout for? Started by jerricho, 03-31-2009	Replies: 0 Views: 1,052	Last Post By jerricho View Profile View Forum Posts Private Message View Blog Entries View Articles 03-31-2009
1989 grand prix 2 door 2.8 mpfi digital dash Started by mikedinthecity, 06-26-2010	Replies: 0 Views: 1,524	Last Post By mikedinthecity View Profile View Forum Posts Private Message View Blog Entries View Articles 06-26-2010
1989 Grand Prix Spark plug change HELP Started by Kryptic, 12-21-2008	Replies: 9 Views: 5,923	Last Post By RareGMFan View Profile View Forum Posts Private Message View Blog Entries View Articles 12-23-2008
1990 3.1 lit hard start/ no start. fuel pressure prob Started by wadd, 06-16-2015	Replies: 0 Views: 1,369	Last Post By wadd View Profile View Forum Posts Private Message View Blog Entries View Articles 06-16-2015
1990 GP 3.1 Hesitation and dies under acceleration Started by jtmon, 11-14-2009	Replies: 4 Views: 2,426	Last Post By jtmon View Profile View Forum Posts Private Message View Blog Entries View Articles 01-09-2010
1990 Pontiac Grand Prix LE Rough Idle!!?!! Started by 90blackgrandprix, 05-03-2010	Replies: 3 Views: 3,824	Last Post By 90blackgrandprix View Profile View Forum Posts Private Message View Blog Entries View Articles 05-13-2010
1991 "no start" case Started by PGP1991, 05-26-2015	Replies: 3 Views: 1,376	Last Post By PGP1991 View Profile View Forum Posts Private Message View Blog Entries View Articles 05-31-2015
1991 Grand Prix 3.1 high RPM stutter Started by Blah, 01-09-2012	Replies: 0 Views: 1,433	Last Post By Blah View Profile View Forum Posts Private Message View Blog Entries View Articles 01-09-2012
1991 grand prix 3.1 swap into 1996 grand prix 3.1 Started by mgosse, 05-25-2011	Replies: 10 Views: 7,847	Last Post By Nates94 View Profile View Forum Posts Private Message View Blog Entries View Articles 07-20-2012
1991 Grand Prix No start Started by Zwiller, 07-27-2015	Replies: 2 Views: 1,340	Last Post By Zwiller View Profile View Forum Posts Private Message View Blog Entries View Articles 07-27-2015
1991 grand prix starts then dies after five minutes Started by oithebusiness, 09-13-2009	Replies: 1 Views: 2,691	Last Post By mikedinthecity View Profile View Forum Posts Private Message View Blog Entries View Articles 09-15-2009
1992 Grand Prix Started by riggle09, 07-30-2011	Replies: 3 Views: 1,401	Last Post By dpzelenak View Profile View Forum Posts Private Message View Blog Entries View Articles 07-31-2011
1992 Grand Prix SE 3.1 starting/idling issues. Started by Borch1965, 11-11-2011	Replies: 6 Views: 2,149	Last Post By Severoux View Profile View Forum Posts Private Message View Blog Entries View Articles 11-30-2011
1992 Grand Prix SE oil? Started by xIVAN14x, 11-11-2011	Replies: 7 Views: 1,482	Last Post By xIVAN14x View Profile View Forum Posts Private Message View Blog Entries View Articles 11-17-2011
1992 Grand Prix stalling and smoke issue Started by xIVAN14x, 09-06-2011	Replies: 3 Views: 1,354	Last Post By 3100sfi View Profile View Forum Posts Private Message View Blog Entries View Articles 09-08-2011
1993 3.1 Engine stalls occasionally. Started by DRAINXGRP, 12-08-2018	Replies: 9 Views: 6,050	Last Post By Mitch R View Profile View Forum Posts Private Message View Blog Entries View Articles 12-29-2018