Starting on 2005 Chevrolet Uplander

What is wrong with my Uplander if I can start it with the first crank in the morning everytime but anytime after that during the day it will not crank over until I push on the gas pedal?

by in Chardon, OH on January 21, 2010
7 answers 3 comments
ANSWER by on July 16, 2010
I have the exact same problem with my 05 Uplander. I took it to be serviced back in 2008. The dealer said it was probably that the computer needed reset. It still does the same thing to this day.
ANSWER by on August 25, 2010
Try this before starting the car push the brake pedal twice All the way down kept your foot on the brake Start the car and you'll see the difference I know that I do not understand, and illogical, but work with me I did not experience any problem in the operation of the car since that time
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ANSWER by on October 27, 2010
I had a similar problem, the dealer replaced the PCM. Everything is good now?
ANSWER by on October 30, 2010
My van does the same thing, a code came back as the fuel sensor, which is in the gas tank.
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COMMENT by on November 27, 2010
I had the fuel sensor replaced and it still does it.
ANSWER by on May 19, 2011
I have the same problem with my 06 Uplander had it in the shop a few times and they never found anything .grrrrrr I am very disappointed with this van...huge POS
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COMMENT by on June 09, 2011
We have an '05 Uplander. Love the vehicle but we have had the same issue, having to step on the gas to get it to start. we recently discovered that we have a small split in the fuel rail by the injectors. Apparently, there is no recall on such a dangerous leak. These vehicles have the manifold pipe right down under the injectors. With such a crack in this rail, it allows air into the rail which is what is causing the van to not start. This is a pressure line and with this small break, the pressure is down. I feel GMC should pay for this kind of issue that we all seem to be having with our starting issues. Maybe all of you should check your fuel rails too.
COMMENT by on June 10, 2011
try 89 octane my van does the same damn thing, since i used the better octane which isn't too high above regular gas it has been an amazing van! honestly try it yeah it is a bit more but it performs alot better
ANSWER by on June 22, 2012
I had the same problem and it did that until the fuel pump went out. We got a new one and it only worked about 30miles. Took it off and got another one..only 6ft this time. Finally found out that we had to get a new EMC and have it flashed the same time that we put the pump on. Once this was done I haven't had one problem. I did hear that these vans have alot of problems pertaining to the fuel area!
ANSWER by on December 03, 2013
I had the same problem. The air intake throttle body needed to be cleaned. There seems to be a small amount of bleed air when the throttle body is closed, but with time it becomes clogged with gumk and soot. If you have the Throttle body cleaned it worked well for me. Cost was one can of Throttle body cleaner.
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