Any particular year? Aould be suspicious of a battery or starter off the top of my head. Although a loose connection could also be a cause.
where is crank senser located on 2003 pontiac
next to the crank pulley
with a window crank removal tool.
On the bell housing -left (driver's side.) (Front part of the automatic transmission at @ 2 o'clock viewed from the front (which you can't really do!) Del
Check the cable.
HP is from the crankshaft with... BHP is from crank with no accessories just raw power
Out of gas.
its been my experience , if its a 3.4lt, it has two sensors for the crank, one in the block. and one in front cover near crank.
if it doesnt have a crankshaft sensor then you have a distributer pick up. Its under your distributer cap.
on the crank pulley
it is on the engine
The crankshaft sensor is on the side of the engine behind the alternator. It is mounted close to the oil filter,