2001 Pontiac Montana?
The reason why it might not start might be because of the crank sensor.
How much refrigerant is needed recharge ac on a 2001 Pontiac montana
On a 2001 Pontiac Montana, Bank 1 Sensor 1 refers to the upstream oxygen sensor located on the driver's side of the vehicle, before the catalytic converter. It is typically positioned on the exhaust manifold or the first section of the exhaust pipe. To access it, you may need to lift the vehicle for better visibility and reach.
sounds like the fuel sensor inthe fuel tank which means removing tank to replace
The sending unit and the fuel pump are all one module in the gas tank.
2001 Montana has an electronic transaxle. There is no vacuum modulator. The 2001 Montana has an electronically controlled transaxle. There is no vacuum modulator.
yes it has one
No
The vapor sensor on a 2001 Pontiac Montana van is typically located near the fuel tank, often mounted on or near the evaporative emissions canister. To access it, you may need to lift the vehicle and remove any protective covers or shields. It's advisable to consult the vehicle's service manual for specific details and diagrams related to your model.
under the antifreeze compartment
you will need to replace the fuel sensor and it is all in one with the fuel pump its in the gas tank.