Pontiac - Montana :: 2000 - Got Engine Codes P0443 And P0341


Aug 11, 2014

I have a 2000 Pontiac Montana 3.4L V6. I keep getting code p0341 cam shaft sensor (replace), and code p0443 P0443....EVAP Emission Control System Purge Control Valve Circuit. I was getting p0441...Evaporative Emission Control System Incorrect Purge Flow (but I replace Canister Purge Valve that up top center right). I have also replace spark plugs and wires because it didn't seam to have any power.

(After I replace both the cam shaft sensor and purge valve) Now it does have good power but if I am moving at very low speed either stopping or starting it will almost die sometimes and sometimes it does die. If it actually dies it seams to give both the P0341 & p0443 codes but if it doesn't die and code light comes on after resetting it, it is just the p0443 code.

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Pontiac - Montana :: 2000 - Engine Sputters Like It Is Going To Die After Turn Off The AC

What is causing the engine to sound like it's not getting enough gas AFTER we turn off the A/C? The two times we have used the A/C, after we push the button to turn it off, the engine sputters like it is going to die ... sounds like it is not getting enough gas. It has over 178,000 miles on it and it sat for about three years before it was given to us.

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Montana :: 2000 Pontiac Squeaking When Accelerate

My 2000 Pontiac Montana squeaks while accelerating. There is about 55,000 miles on it. At first I thought it was a belt but it would squeak the whole time if so. It only squeaks (like a mouse), every time accelerating.

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Audi - A6 :: Engine Clank / Taping Sound And Codes P1340 And P0341

'01 Audi A6 2.7T, has 97k...I noticed the car making a loud clacking/taping sound at idle that didn't change even when car warmed up. Check engine light came on today...codes P1340 and P0341 both deal with camshaft being "out of sequence" on bank #1.

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Pontiac - Montana :: 2004 - Engine Will Rev Really High When Started

My van will rev really high when started and may stay that way for most of the day. Sometimes once it is turned off it will restart just fine. but when it is revving like this you have to hold the break down at stop lights, constantly slow down because it wants to take off. Now it is stalling when driving slowly. the throttle positioning censor has been replace a couple of times.

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Pontiac - Montana :: 2001 - Engine Drops In Power When Hit 30 Mph

I have a 2001 Pontiac Montana van, when i drive i feel like there is just not enough power there. Most of the time when i hit 30mph the engine drops in power, hard to explain so I will try my best. I get in turn the key starts right up with out any hesitation what's so ever! I leave for work, while driving when I come to a stop sign and stop and take off its gets sluggish so while my speedometer is going up my movement is not changing as it should so needless to say I have to do 80 85 mph just to keep up with the average moving can at 70mph.

Once in a while I will give it some gas and let go of it and it would back fire a little not sure why. Recently I had new head gaskets put on cause temperature was not staying where it was suppose to be, they smooth out the headers and did a tune up, not sure about the timing, New fluids, once in awhile the temp would climb but that cause of the fans. Took it to AutoZone they did a obd code check came back with O2 senser and nothing else, so if I replace this will it bring my van back to normal running operation? And would it be anything I could check to rule out?

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Pontiac - Montana :: 2004 - Hesitation Or Stumble As If Engine Cuts Out For A Second

I have a 2004 Pontiac Montana with 90K. If the overnight temperature has been below 40ish, there is a noticeable hesitation or stumble (almost as if the engine cuts out for a second-but never actually stalls out) on the 2 to 1 downshift when braking to a stop while the vehicle is in open loop. As the engine warms up the stumble becomes less noticeable until the temp gauge reaches the 1/4 mark at which point the stumble is gone. It won't return until the following morning - the next cold start. Our mechanic has cleaned the Throttle Body and the MAF- no change. Their transmission guy said he did not think it was a tranny issue. It has no other symptoms and seems to shift normally at all other times. What to do next??

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Pontiac - Montana :: Vibration Above 45 Mph

Vibrates above 45 mph. Did have tires balanced . Still happens.

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Pontiac - Grandam :: 2000 - Sensors Going Haywire - Fixing Codes P0327 And P0336

I have a 2000 Pontiac grand am coupe GT with the 6 cylinder engine. It has been a very good car to me. I really like it and it "fits" me well ... and yet... it is now testing me. About a year ago the check engine light came on. The codes were P0327 and P0336 for bad Knock sensor and Crank sensor respectively. The were both replaced multiple times, the light still stays on... and the codes are still coming up. I have have been to different experts, and after the computer resets... there they are again. (someone even thought that the computer needed updated codes for those sensors... so he installed them.. with no better results). The code P1189 for an oil switch is now coming up too.Here in California, the car cannot pass smog with the check engine light on... so I'm not able to re-register it, and I don't think I can sell it for much because no one can register it now. So, what this can be? Is there some common thread between all these sensors (or a recall of some kind) that would explain this? My fear is that the computer will have to be changed at about $1000. My even greater fear is that that will still not solve the problem.

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Ford 6.0L Power Stroke Diesel :: 2005 F250 - Truck Shuts Off For No Reason / Codes P0606 And P0341

I have a 2005 f250 just hit 180k last week and it has the 6.0 in it, egr deleted, sinister diesel oil cooler, stc livewire tuner with street tune installed, air raid air intake. Wicked wheel 2 in the turbo. Its throwing codes P0606 and P0341. Cam sensor has been replaced and the other code is a mystery to me. Its been randomly shutting off like you turned off the ignition all day today.

When it stalls it takes 3-4 times to get it fire back up. When you first go to start it the pressure gauge reads 0 but once it fires up it says theres pressure. Also some of the days it never stalls and runs like a champ but other days i cant drive more the 10 feet and then it stalls. I have no idea whats going on with this truck and ive put lots of money into it doing customization and stuff like that so I am hoping that its not on its last leg....

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Pontiac - Montana :: 2001 - Overheating / Low On Coolant

I have a 2001 Pontiac Montana that was overheating. It was low on coolant, and using coolant. I took it to a mechanic who checked it out and found exhaust gases in the coolant. He initially told me that it was a bad head gasket. After doing a bit of research, I am told that it could also be an intake manifold gasket. I know I am losing coolant, but I cannot tell where. I don't think it is going into the oil, as my oil level does not go up. I do not see coolant leaking below the vehicle, so perhaps it is going into the exhaust? Or leaking slowly on top of the engine where it is burned off before it can go on the ground.

Is there any test I can do to determine which gasket is bad before tearing into the vehicle? I thought about sending an oil sample off to determine if I am getting any coolant in the oil, but I don't know if that would be useful information at this point.

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Pontiac - Montana :: 2006 - O2 Pre-heater Sensor Came On

I have a 2006 Pontiac Montana, The little engine picture came up on my dash. I took it to the car parts store to have the code read and it came up as an O2 pre-heater sensor. My husband has been trying to google how to fix it and can't come up with anything. It doesn't even come up as to where the part is located.

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Montana :: 1999 Pontiac Started Whining When Accelerate

I have a 1999 Pontiac Montana that has recently started whining when I accelerate. It stops after I take my foot off the gas pedal. It usually takes about 15 minutes of driving before the whining starts. It started about 4 months ago and has recently become louder.

Van has 85K miles.

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Montana :: How To Remove Vents Above The Radio On 2006 Pontiac

The passenger air bag indicator light got pushed in so I need to get the vent panel off so I can push the light back flush. I do know the surrounding of the radio pops off without any tools. But taking that off doesn't get me anywhere. I still don't see access to remove the vents.

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Pontiac - Montana :: 2006 - Check Gas Cap / Code P0455

I have a 2006 Pontiac Montana SV6 with 80,000 miles on it. Recently the dashboard warning "check gas cap" has started coming on. I have replaced the gas cap and cleared the code and it is doing it again. It seems like it is more likely to do it when the gas tank is 1/2 or less full but it also did it today with almost a full tank. The code from the computer said P0455, what this could be?

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Pontiac - Montana :: 2004 - Hard Downshift When Cold

I have a 2004 Pontiac Montana minivan. I get a hard downshift from 2nd to 1st only when the engine is cold - especially noticeable in cold weather. After a mile or so of driving (or a few minutes of idling) is shifts fine. All upshifts are fine all the time. The tranny fluid level is fine and is in good condition. What it could be?

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Pontiac - Montana :: 2002 - Head Gasket Replacement

I have a 2002 pontiac montana that needs the head gasket replace. Mileage is 152,000 miles with a v6 engine. I would like to get at least another 75,000 miles once the repair is done. Is it worth doing as alternative is to scrap the van and buy a new vehicle...

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Pontiac - Montana :: 2002 - Whining Noises When Turning Sharply

I own a 2002 Pontiac Montana van with 36,000 original miles. The past year it started making a loud whining noise that seems to come from the rear of the vehicle. It seems to be worse in summer than in winter. It iis really loud when turning into a parking lot or when turning sharply to go thru a drive thru at a restaurant. I have taken it to several mechanics and also to a dealership, and no one seems to be able to find the problem.

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Pontiac - Montana :: How Long To Let The Coolant Circulate Before Testing It With Hydrometer

I flushed out my cooling system through the radiator with distilled water four times. It's a 3 gallon system, but I could only drain/fill a bit more than a gallon each time.

I figured that by the end of it, it's mostly distilled water so I only added antifreeze concentrate at the end. How long should I let the system circulate before I considered it well mixed and ready to test the concentration?

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Pontiac - Montana :: 1999 - Brown Sludge In Cooling System

While driving my recently purchased minivan (a 1999 Pontiac Montana) for about 40 miles, I noticed the temperature gauge was reading high when I wasn't moving very fast, though short of what appears to be the overheating zone. Opening up the radiator revealed no coolant that I could see, but plenty of brown sludge. Looking under the oil cap revealed more brown pudding-type stuff (that wasn't there when I did an oil change when I first got it).

The lack of coolant makes me nervous that the engine might have overheating without the temperature gauge reading it properly. Is that possible? The heater was working, which searches seem to suggest means there must have been some in there.

I figure that either the intake or head gasket must be bad, so I'm nervously setting out to replace both using a gasket set like this: [URL] .....

What I'm more worried about though, is clearing the cooling system out of all the gunk. It sounds like oxalic acid and washing soda and back flushing might work? But I'm anticipating a large quantity of sludge, oily, rusty coolant water. How am I going to dispose of it all?

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Pontiac - Montana :: Loud Clunking Noises From 2005 Minivan SV6

I have a Pontiac Montana minivan SV6 that is making strange clunking noises from possibly the rear or middle of the van when I go over a bump, large or small. I have had it in to our local mechanic and the local tire/repair shop and transmission shop. They have not been able to locate a problem other than agreeing that there is a noise.

Our mechanic replaced the front struts and strut mounts, the rear shocks and has gone over the entire suspension and transmission more than once. The noise is very loud, like something is broken but despite three separate shops checking it out nothing can be found.

Any possibility is could be something with the automatic side doors, such as the motor being loose or something strange like that? If it didn't have this clunking sound the ride would be very smooth and quiet. It doesn't affect the ride at all. The other bit of info here is that we haven't owned this van for very long, we bought it as is thinking that it needed shocks or struts. They've been replaced but the sound is still around!

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