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.
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?
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.
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
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
We have a 2005 Chevy Uplander that is getting worse and GM dealer cant figure it out. Every few miles the van dies and the computer automatically does a full reset.
It says starting disabled then it switches to reduced engine power. We cycle the ignition a few times. If it says starting disabled -- we turn it back off for a few more seconds and try again. Eventually, the starting disabled doesn't appear and it starts.
NOTE: I have for the past year had to always give it a little gas to start even though it is electric fuel injected. IT also has to crank for 2-5 seconds to start. If I force hold up the RPM'S as I drive it stalls less. Every 5 miles or so instead every 1-3 miles.
NOTE: I have also had issues for 3 years where the lights will flicker at night a bit or dim for a f few seconds. With computer doing a reset it is leaving no codes which is why dealership says it is a matter of trial and error.
I did try a simple clean on throttle body but saw a more thorough way to do so in here today. I am also thinking mail computer, fuel sensor or fuel pump or heat sensor. But I do NOT know where the computer or heat sensors are.
Please advise with a series of trial fixes easy and least expensive first hopefully or if you are pretty sure of issue please advise and tell me how to find the bad part.
This is our only vehicle and we are semi retired on low income doing Ministry work so our funds are limited but we need the vehicle and it is now pretty dangerous to drive.
i have the same van, very frustrating. i have replaced the throttle body.. MAF sensor, plugs, ignition coil, plug wires, EGR, MAP sensor, Battery, Alternator, and just now the ECU (engine computer unit) which is located under the radiator bottle in a black box. its not too hard to get too either but this is where my current trouble begins.. i got a used ECU and just replaced the one in the engin compartment and now i get the "Starting Disabled" Message. it doesnt make a single sound either. just starting disabled.
it would be nice to be able to find some method to reset this without involving a dealer. they wanted $660 to tear the top of the motor apart to DIAGNOSE a head gasket or possibly piston ring.... this is after they charged me $800 for a catalytic converter i apparently didnt need.
if you can push them up do it. Reconnect the battery and try it again. What I dont understand is why Chevy failed to notice this flaw. It solves most starting,stalling,idle,lights, everything that is run from that fuse block. shame on Chevy for being such buttheads!!