Owners of 2005 Buick
Allure and LaCrosse
models and 2004-05
Pontiac Grand Prix
models with the 3.8L
engine may experience
engine stall accompanied
by instrument gauges
dropping to zero. The
speedometer and
tachometer may continue
to operate normally at
this time. In addition,
the low fuel indicator
light may come on.
The condition is caused by intermittent high resistance between
the negative battery cable and the right side frame rail. To
repair, remove the cable, clean the surfaces of any corrosion
and apply a coating of dielectric grease. The TSB states that it
is EXTREMELY important that you use a torque wrench when
retightening this cable. The spec is 89-106 INCH lbs.
GM is also recommending a PCM software update. Consult TSB
05-06-037 for details on the software update.
HOPE THIS HELPS GL
OTHER THEN THIS ID GUESS CRANK SENSOR OR MASS AIRFLOW OR JUST BAD GROUNDS .CLEANEM ALL...GL