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Chevy Uplander Starting/Stalling Problems

i have almost had this uplander a year and the first day it got very cold. i went out to start it and it started and then went back in house and came back out and it died on me. look at screen and it said starting disabled. then it said reduced engine power. now it wont start half the time now and also will die on my driving 55. i hate the uplander. ever since i got this junk i have had problems, chevy wont fix it unless i pay for it. sounds like chevy needs to do a recall on them. also i had lights problem to but the second dealership upgraded a box for me. then its still about the same. nobody told me about the algnatior needing changed.
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Comments

  • bracan455bracan455 Posts: 5
    Hi,

    I just purchased a used 2005 Chevy Uplander LT model, I observed that when I'm idle/On-nuetral or waiting for a green light on an intersection the engine skakes a bit but when I step on the gas is goes away. I had a oil change done and a tune-up done as well but it still shakes. The good thing is the egine does not die. Does anyone experienced this in their Uplander? please let me know how you fixed it?

    Thanks,
  • jmb66jmb66 Posts: 2
    I have been having a similar problem Only about 50% of the time does it start first try. I am unable to use my remote starter that came with it as it is too unreliable. Very frustrated with this vehicle.
  • i had same problem as post 1 on my 06 uplander i went out today tuck started right up went insidehouse came out 20 min later truck was off battery was dead , jump battey cannot get veicle to start,starter displays on dash can any body help or know of simmilar problem,
  • it started couple weeks ago with not starting on first try i had to step on gas pedal,and now cranks no start,it seems like it not getting any fuel going threw and after cranking it for about 5 sec it displays on display starting dissable,
  • leap64leap64 Posts: 1
    i have a 2006 uplander and it just stalls going down the road, plenty of gas anyone have any ideas?
  • My Uplander went into the shop several times for this issue. The dealer re-programed the computer 3 times before telling me it was a normal shake. My guss is that is what they say when the problem can't be fixed. Filed a complaint with GM and nothing was done about it. Other than this problem, the Uplander has been ok.
  • Just wanted to post that I too had a problem with my Uplander, I kept getting the error message "Reduced Engine Speed" had to pull over on the side of the road and restart the car. Just got my van back and it is working liking a new car. It was the Throttle Body and it was fixed by Triple D in Lombard, Il. Before you sink lots of money into a computer, battery etc.... try the throttle body first.
  • We have 2005 Uplander with 140K. It was hard to start and we replaced the fuel pump. It improved but still needs to be restarted 1 or 2 times before it stays on. any ideas?
  • genmtrfangenmtrfan Posts: 78
    Earlier in this thread someone suggested to clean the mass airflow sensor-cleaner specifically made for this-and spray cleaner into the throttle body. I did that this weekend and I'm back to only starting it once, which is great for remote start issues.
  • davemc883davemc883 Posts: 1
    I second the throttle body, I cleaned my 05's tonight and it's started first try with no hesitation 5-6 times since. It was needing me to hit the throttle to start every time before.
  • Can you tell us which specific spray you used to clean the mass air flow & throttle body?
  • I have had reduced engine power messages with accompanying stalling and low power such that I could not drive any faster than 20 to 30 miles per hour (kind of limits your driving ability and choice of roads). This problem is very intermittent but more common in the cold weather. I bought the car when it had about 30,000 miles and the problem started almost immediately. I have held on to the car because it has a handicapped accessory which I love. My mechanic said that it is a throttle body failure, a common problem with these vehicles and that it may be on its way to a recall. Is there a way to make this known to Chevy or the powers that be to include my vehicle on some list? This is obviously a safety issue, especially if I breakdown with my completely handicapped relative who is unable to walk or move.
  • Our 2006 Chevy Uplander LS with 105,000 km is also now getting the "reduced engine power" message. Had my mechanic scan for codes and it came up with P1516 throttle body code.
  • started yesterday. started van for warm up came back some 10 minutes later and van was off. tried to crank it again,but would not start.I tried some 2 hours later and van started right up ,but only lasted for about 5 seconds. This is whats happens every time i try to start it now. start up for 5 seconds and then it dies. help if you have any suggestions
  • 442dude442dude Posts: 373
    Sounds like an issue with the anti theft system. Have you replaced your battery recently or had to jump start it because it was dead?
  • There is no recalls for uplander throttle bodies, but they're usually under warranty up to 150k.

    The first thing you have to do is to clean out the throttle body, wich is located to the right of the engine (look for the air intake elbow). You can remove it by unplugging the harness hooked to it and removing the air intake elbow first. then unscrew the two 10mm nuts that holds the two hoses under the TB, remove the hoses and you have access to the two 10mm nuts that are screwed on the same studs. then there's two screws on the top of the TB and you can remove it by pulling it out.

    Now there's a plastic cap on the side of it wich is held in place by six metal clips. Remove it, then you will see a white plastic gear, wich you also remove. Spray some contact cleaner and compressed air in the hole of the sensor, and clean out the throttle itself with degreaser.

    Reassemble, and go for a road test.

    If the problem is not fixed, then you need a new throttle body.
  • My 2006 Uplander, no history of starting problems, suddenly won't start. I hear a rapid click as long as the key is in "start" position and the engine picture lights up until the key is removed. Recent service was done to correct poor mpg numbers. The repair shop flushed the fuel injection system. Some weeks prior to that, a check engine light was solved by replacing a sensor located over the gas tank.
  • gmcustsvcgmcustsvc Posts: 4,001
    plakate,
    Sorry to hear that your Uplander is giving you troubles. Were you previously working with a GM dealership for service, or was this at a non-GM shop?
    Sarah, GM Customer Service
  • Non-GM with Internet access.
  • gmcustsvcgmcustsvc Posts: 4,001
    plakate,
    Unfortunately, we're only able to work with dealers to check into situations further as Customer Service agents. We hope you're able to find the source of this concern with your mechanic and can get back behind the wheel soon.

    Sarah, GM Customer Service
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