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Simply pulling the battery cables will not work on this minivan, you must reset the codes with a code scanner. I disconnected the battery cables for 24 hours and still had to borrow a snap-on scanner from a friend to read and reset the codes.

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โˆ™ 2006-08-13 21:05:36
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Q: How do you reset the computer on a 1999 Pontiac Montana?
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Pontiac Montana was created in 1999.

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What is the Battery size for Pontiac Montana 1999?

For a Pontiac Montana the battery is a group 78. Follow this link for dimensions.

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Where is the oil pressure sensor located on 1999 Pontiac Montana?

You can find the oil pressure sensor for your 1999 Pontiac Montana on the front of the engine. The low pressure oil sensor will be just below the left cylinder head.

What would cause your 1999 Pontiac Montana to stall at idle?

One thing that would cause your 1999 Pontiac Montana to stall at idle is the idle being set too low. You should raise it to see if that fixes the problem.

What is the firing order of a 1999 Pontiac Montana mini van?

The firing order of a 1999 Pontiac Montana mini van is 1, 2, 3, 4, 5, 6. The number one cylinder is located at the front left side of the engine.

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To reset the computer disconnect the battery for several minutes then reconnect.If the check engine light is off after reconnect then your computer has been reset.

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How do you reset low coolant light on 1999 Pontiac?

Refill the reservoir with coolant and the light should go out unless the switch is broken. Where is the temperature sensor for motor? one for computer

Oil pressure sensor location on 1999 Pontiac Montana?

right next to the oil filter.

Does a 1999 Pontiac Montana have a cabin air filter?

Yes, it is accessed inside the glove compartment

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The engine computer can be reset with a scan tool or by unhooking the battery.

1999 Pontiac Montana won't start with new battery?

you will need to call a pontiac dealer and get an activation code, because of the anti-theift system.

Can you remove the thermostat from the engine of Pontiac Montana 1999 Model without having problem with the engine?

no,not really

Where is the coolant temperature switch located on a 1999 Pontiac Montana or is it replaced by the coolant temperature sensor?

Glove box 99 Pontiac Montana can't open with key?

When you cannot open the glove box of your 1999 Pontiac Montana with the key you may have a broken key lock. You can change these locks out with aftermarket key locks which are available.

How many gallons of antifreeze goes into a 1999 Pontiac Montana?

1 and a half gallon of already mixed coolant