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: 20,720
ctracer
10-26-2011 Go to last post

Gas smell in Oil in a 98 3.1

Started by gpse2000, 04-06-2012
gas, oil, smell
Replies: 5
Views: 1,480
94GrandPrixSE
05-04-2012 Go to last post

EGR delete w/o PCM Flash

Started by GP98GTX, 04-28-2012
delete, egr, flash, pcm, w or o
Replies: 7
Views: 5,606
BillBoost37
05-02-2012 Go to last post

Easy expansion plug replacement?

Started by knoppsicle, 05-01-2012
coolant leak, easy, expansion, overheating, plug, plugs, replacement
Replies: 4
Views: 1,710
knoppsicle
05-02-2012 Go to last post

Are these good headers for my motor?

Started by Chiller449, 04-26-2012
3.1, down pipe, exhaust, good, headers, motor
Replies: 14
Views: 2,252
Chiller449
04-27-2012 Go to last post

Whining noise?

Started by Chiller449, 04-21-2012
3.1 whining water pump, noise, whining
Replies: 9
Views: 2,822
Chiller449
04-26-2012 Go to last post

Moved: O2 Sensor P codes

Started by whathasnt, 04-25-2012
codes, sensor
Replies: -
Views: -
Question

Cooling Fan Switch location?

Started by shaner, 06-24-2009
cooling, fan, location, switch
Replies: 1
Views: 2,829
TIMS TURBO
04-22-2012 Go to last post
Question

2003 3100 Woes

Started by Cornholeo1, 04-16-2012
2003, 3100, woes
Replies: 4
Views: 1,566
Steel Armadillo
04-18-2012 Go to last post
Question

Spark Plug suggestion?

Started by nimo, 04-16-2012
plug, spark, suggestion
Replies: 6
Views: 1,551
dsmuts
04-16-2012 Go to last post

ecm battery 20 amp fuse keeps blowing(probably a short)

Started by LJ4207, 04-15-2012
amp, battery, blowingprobably, ecm, fuse, short
Replies: 0
Views: 1,646
LJ4207
04-15-2012 Go to last post

Trying to get the 90 Prix running... fuel pump questions

Started by 90PrixSE, 04-11-2012
fuel, prix, pump, questions, running
Replies: 7
Views: 1,631
90PrixSE
04-15-2012 Go to last post

1997 3.1 gp fuel sensor question

Started by rooneystang, 04-02-2012
1997, fuel, question, sensor
Replies: 12
Views: 3,041
Rico
04-14-2012 Go to last post

Getting 1990 Grand Prix SE running after sitting for 4 years

Started by 90PrixSE, 03-29-2012
1990, grand, prix, running, sitting, years
Replies: 4
Views: 1,674
90PrixSE
04-07-2012 Go to last post

p0101 - would this Check Engine Code cause high idle ?

Started by turboLude, 04-01-2012
check, code, engine, high, idle, p0101
Replies: 3
Views: 1,797
BillBoost37
04-02-2012 Go to last post

what are all the reasons why my car IDLES high ?

Started by turboLude, 03-31-2012
car, high, idles, reasons
Replies: 14
Views: 3,359
dpzelenak
03-31-2012 Go to last post

Salvaging the Old 3100

Started by ShadowSwept, 03-28-2012
3100, salvaging
Replies: 11
Views: 1,521
ShadowSwept
03-31-2012 Go to last post

heater pipe that attaches to the thermostat housing .. what sealant to use ?

Started by turboLude, 03-27-2012
attaches, heater, housing, pipe, sealant, thermostat
Replies: 15
Views: 4,267
turboLude
03-28-2012 Go to last post

egr tube

Started by 1996pontiac, 03-22-2012
egr, tube
Replies: 6
Views: 1,572
GTP in RTP
03-23-2012 Go to last post

Temperature Gauge Not Working

Started by ShadowSwept, 03-21-2012
gauge, temperature, working
Replies: 5
Views: 1,965
ShadowSwept
03-21-2012 Go to last post

high idle problem

Started by dwest1470, 03-14-2012
high, idel, idle, problem
Replies: 7
Views: 1,633
BillBoost37
03-15-2012 Go to last post
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