Forum: 3.1L V6 (LHO/LG8)

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

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Sticky Thread Sticky: For You 3100/3400 Guys!

Started by blueguy, 10-26-2011
guys
Replies: 2
Views: 6,415
10-26-2011 Go to last post

Starter Grinding

Started by gingerdude, 01-11-2019
fear, grinding, replace, roll, starter
Replies: 4
Views: 925
01-21-2019 Go to last post
Question Replies: 9
Views: 455
12-29-2018 Go to last post

3.1 turbo

Started by sdenton8, 09-10-2018
engines, grandprix, mclaren/ste, older, turbo
Replies: 3
Views: 782
09-12-2018 Go to last post

mendtite?

Started by bluesfan4life1955, 05-06-2018
blue, brand, devil, mendtite, product
Replies: 0
Views: 286
05-06-2018 Go to last post

'03 3.1L overheating constantly

Started by CnmnGrl, 09-27-2017
Replies: 7
Views: 773
04-16-2018 Go to last post
Replies: 0
Views: 434
11-29-2017 Go to last post
Replies: 2
Views: 535
11-17-2017 Go to last post

Overheating problem 96 Grand Prix 3.1l

Started by Pontiacidaho, 09-21-2017
2 Pages
1 2
Replies: 30
Views: 2,420
10-08-2017 Go to last post
Replies: 0
Views: 439
09-28-2017 Go to last post

Is the 3100 engine ****?

Started by MattF, 07-19-2016
2 Pages
1 2
Replies: 23
Views: 3,270
09-21-2017 Go to last post

Oil Leak from top of engine

Started by msubully82, 08-23-2017
Replies: 2
Views: 571
08-23-2017 Go to last post

Weird jerk when let off gas...

Started by thewuggles, 03-08-2017
Replies: 1
Views: 692
07-23-2017 Go to last post

99 GP 3100 engine noise

Started by 99monte, 06-29-2014
Replies: 13
Views: 2,907
07-08-2017 Go to last post

Hard Start When Warm

Started by gingerdude, 12-17-2016
3 Pages
1 2 3
Replies: 44
Views: 5,127
07-03-2017 Go to last post

Growling Air Injection pump

Started by DRAINXGRP, 06-23-2017
air injection pump, growling
Replies: 0
Views: 451
06-23-2017 Go to last post

Overheating. Help me diagnose why please.

Started by timothylockhart, 06-01-2017
2 Pages
1 2
Replies: 32
Views: 3,460
06-04-2017 Go to last post
Replies: 0
Views: 555
05-30-2017 Go to last post
Replies: 4
Views: 777
04-30-2017 Go to last post
Replies: 6
Views: 2,323
04-13-2017 Go to last post

Noise under load??

Started by michael redmon, 10-10-2016
Replies: 14
Views: 2,551
03-21-2017 Go to last post

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