Question about 2000 Pontiac Montana

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How to change engine air filter on a 2000 montana van?

All the rubber hoses connecting all the sensors and stuff between the air filter and intake are old and stiff. It looks like it was difficult to begin with. Thanks for any help.

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Posted on Mar 05, 2009

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Heres a video on how to change air filter

Posted on Mar 05, 2009


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2001 pontiac montana dies when let off gas p0102 code

Code 102 is for a problem with the mass air flow meter circuit.
The sensor is saying the air flow is very low.
Could be the sensor or a leak in the hose between the sensor and the intake.

Jan 15, 2013 | 2001 Pontiac Montana

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1999 Chevy G-30 utility van code p-0174 , cleaned then replaced MAFcleared code, back on 50 miles later, found vacum leak hose off vac. ball, code cleard 50 miles light back on,

what size engine do you have in the g-30 van. is it the plastic plenum. if it is there are rubber o-ring seals that go bad all the time and will cause the p0171,p0174,p0172,p0175 these are all lean codes also check for fuel pressure to make sure it is up to specs.
have you changed your fuel filter lately this can effect fuel trims.

Jan 09, 2012 | Chevrolet Cars & Trucks

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I was told that my air flow sensor needed to be changed in my 2000 grand prix super charger. can you tell me where it is located on the engine and what it looks like?

I assume that someone looked at the "Check Engine" codes and saw this sensor error. If that is true, you will find the sensor inside that air intake that connects the air filter housing to the engine throttle housing. If the code is not why you are replacing it, first be completely sure you don't have any vacuum leaks. The intake tube will be a large rubber tube that has maybe a couple electrical connections and maybe a smaller hose. At any rate there is at least one connection to the air flow sensor. Disconnect the electrical connections and take that hose loose from the air filter housing. Take the filter housing off. Then you should be able to take the air intake tube off the throttle housing. It will have a fairly normal hose clamp. When you put this back together, be sure all the connections are tight and that there is nothing that might be an air leak. A leak in the intake allows air into the engine that has not gone through the sensor causes some serious performance problem by the fuel/air mixture being too lean. Should you see a suspicious connection of a vacuum hose anywhere, fix that first. You don't say what the problem is but a vacuum leak could look like an air sensor problem, unless the engine code specifically points to the sensor. Now that you have the intake tube off the engine you can look in and see the sensor in the tube. It is usually mounted by some small screws to the intake tube. It should be easy for you to take out of the intake tube. While you have the intake tube off, it's a good idea to clean the throttle plate and throat. Buy some spray cleaner that says it if good for throttle and does not harm oxygen sensors. Follow the can directions. Clean the throttle plate, then open the throttle full and spray all the inside if the throat that you can see. Put it all back together. The engine my be a little hard to start because of the cleaner you sprayed into the throttle throat. If there was an engine code you need to clear that so the light goes out and the old code doesn't remain in the system. To clear the code, disconnect the battery for about 5 minutes.
Good luck. I hope this is helpful.

Thanks for using FixYa.

Jul 13, 2011 | 2000 Pontiac Grand Prix

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How do i change the mass air flow sensor on my pontiac montana

The Mass Airflow sensor is held in the air intake hose to the engine from the air cleaner by 2 approx 4" large hose clamps, unplug the connector to it and loosen the hose clamps on each side of the sensor and pull off flexible air intake hoses on each side of the aluminum body of the sensor and remove the sensor assembly. See picture below.


Mar 21, 2011 | 2003 Pontiac Montana

1 Answer

I have a 2000 Pontiac Montana and I can't get to the heater hose to fix it from the front. How do I get to it? Thanks jim

The easiest way I have found to do it is as follows, First remove the air intake tube along with the cover for the air filter, next i remove the coil pack, i know its a pain, but it will give you a lot of much needed room. You wouldn't actually have to totally remove it, sometimes I just take off the front 3 plug wires and wire connectors and lay it down on the exhaust manifold just watch out for the 02 sensor. Remove the clamps the best way you can, Don't even mess with trying to wiggle the hoses off, just cut them or you'll be there for hours. New hoses are inexpensive for them anyway. IF I still need more room I take the top engine mounts loose and rotate the engine to the front with a small tie strap, it will open up that area even more. And to change those, you need all the room you can get.

Feb 02, 2011 | 2000 Pontiac Montana

1 Answer

Can't find air intake temperature sensor on a 4.2 ford engine

Is it stuck in the side of the rubber hose between the Mass air flow sensor/Air filter and the intake

Apr 26, 2009 | 1997 Ford F150 Regular Cab

1 Answer


It is either part of the MAF sensor or it is in the rubber flex air intake hose to the engine from the the air filter, it is small and round and sticks into the incoming air steam to the engine after the air filter. Why do you want to replace this? if there is a IAT trouble code many times someone just forgot to connect it when the air filter was changed or the eng worked on.

Aug 01, 2008 | Volvo V70 Cars & Trucks

1 Answer

Have a 1999 lexus es300. Getting indications that knock sensors need to be replaced. Car has 144k miles. What do the knock sensors do and how easy / tough to replace?

If you have some common tools the knock sensors are no big deal.  If you take a lexus they will make is sound like you need to completely disassemble the engine and scare you off.
First, do you really have a problem with preignition causing real knocking due to carbon buildup, or diluted gasoline or do you have failed knock sensor(s).  Try to decarbon the engine first.
There is a technique used with water being sprayed into a warm engine intake.  This will clean up the valves and carbon buildup which can result in engine knocking.  

The job will be a couple hundred for the parts and a couple hours of your time.  After you are done, you have entitled yourself to approximately $500 in new tools for your tool chest since this is what Toyota and Lexus will charge to fix (about $1k+).

You will need to buy the following to address the knock sensors and a couple other items while you're in the neighborhood.
- 1x upper intake plenum gaskets - 2x lower intake plenum gasket - coolant bypass hose found in the same area as knock sensors - 2x knock sensors (bank1 and bank2) - short pig tail cable which connects both knock sensors to common wire harness. - toyota antifreeze  (2 gallons, if i remember correctly... when mixed to 50/50 (antifreeze/ water) you will have 4 gallons.
drain the radiator drain the front of the engine using the engine drain plug - this plug is on the front right side facing the engine, behind the right hand exhaust manifold. (this will lower antifreeze enough to avoid dumping antifreeze all over the engine later) remove the air filter box remove the connections into the throttle body remove the cable from the throttle control remove the upper air intake plenum remove the two lower air intake plenums remove the antifreeze fill port
Knock sensors will be in the valley between the lower intake plenums.  You will need to remove the rubber antifreeze bypass hose (little short hose blocking access to the knock sensors).
By the way, the reason you bought a replacement, is that if this short hose splits from normal wear, you need to spend this money and effort to reach it, so just do it now.
The little pig tail cable which connects both knock sensors to the wire harness is said to cause a big majority of the problem due to the plastic getting hot and brittle, falling off and shorting to the engine.  While in this mode the engine thinks knock is occuring and starts to retune the air fuel mixture to get rid of the knock until it goes into minimal operations mode.
After replacing the knock sensors (and tighten to torque specs), replacing pig tail cable, and reinstalling your new short by pass hose.  Replace the lower gaskets, antifreeze fill port, lower intakes, upper gasket, upper intake, air intake, air filter, reattach everything, reconnect all the rubber lines you pulled off, make sure there are no splits in the air intake passage anywhere, retighten the engine antifreeze drain plug, and the drain on the bottom of your radiator, and your done!
Don't forget the easy stuff.  Dilute the antifreeze with water and fill the radiator and overflow tub.  Run the engine for several minutes until its hot and opens the thermistat to allow antifreeze into the empty engine cavities.  Turn the engine off and get a cold one as the engine cools.  Once absolutely sure engine is cold, refill the radiator with antifreeze and refill the reserve tub.  Do this at until all the beer is gone and you are both full of antifreeze (in one form or another)..... obviously red stuff in the car, amber down the gut.

Jul 27, 2008 | 1998 Lexus ES 300

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