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Problems with fuel gauge and rolling back while in Park with 07 Uplander

4 messages,  Last post on Sep 23, 2009 at 4:38 PM

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#1 of 4 Problems with fuel gauge and rolling back while in Park with 07 Uplander by fergie6 Jan 09, 2008 (7:23 pm)
Anyone have these problems with 07 Uplander?:   1) Just had the van one month when we found that it would roll back when in Park (when on a slight incline). It rolls back several feet or meters. The dealer says we should use the parking brake at all times and can't find anything wrong. Not happy with this and I am concerned about the safety issues. 2) The fuel gauge isn't keeping an accurate measure of how much fuel is in the tank. Needle on the gauge moves anywhere from one eighth to one quarter of a tank at a time (and then back up to a more "full" indication) on a regular basis. Dealer apparently replaced the gauge sensor, but the problem persists. Diagnostics don't find the problem either.   Any suggestions? Thanks. Replies to this message: gasman66 (May 05, 2008 10:50 am)
#2 of 4 Re: Problems with fuel gauge and rolling back while in Park with 07 Uplander [fergie6] by gasman66 May 05, 2008 (10:50 am)
Replying to: fergie6 (Jan 09, 2008 7:23 pm) I just bought a used 2007 Uplander on Saturday evening. I really like the way it drives and it is very comfortable. We went to church the next morning and parked in a spot with a slight decline. I know I had just under a quarter of a tank of gas and figured I would get gas after church. When I got out of church, I turned over the engine and it would not start. The fuel gauge said it was completely empty and I really thought someone had siphoned off the gas. I had my sister-in-law bring a gallon of gas to us, loaded the gas and it started immediatly. Backed up to a flat area and gas gauge now shows 1/4 tank. What the heck. Does this mean I can't make a trip to San Francisco, where all the streets have hills and there are really no flat roads? My gas gauge is never accurate and my wife does not trust the thing.... Talked to Chevy dealer, and they said all I have to do is call them to setup an appointment and they will look into it... My vehicle is GM certified and this should not be happening 1 day after taking it off the lot. They say it is only covered for 3months/3000 miles whichever comes first. Drivetrain is covered for 100,000 miles.
#3 of 4 fuel gage problem by godschild1 May 22, 2009 (8:27 am)
I also have an 07 Uplander and I'm having the exact same problem concerning the fuel gage reading. It has been in the shop twice for this same issue and I'm now getting ready to put it in again the 3rd time, this time with pictures showing what it happening. This morning the gage was reading right at 1/4 tank(slightly more) mileage at 36598 (fuel range). I went 5 miles, parked my van in the parking lot, turn it off then turn it back on and the reading on the gage was in the middle of the 1/8th of a tank and E (empty), mileage showed 36603 and fuel range was showing low miles. The first time it was in the shop, it was under the manuf. warrentee and they supposedly changed the sensor. The next time (first part of this week), it is actually out of manuf warrentee but they did replace it again under warrentee since it was repeat work, but it now will be going back because it is still not corrected. This sounds like it is a manufacturers problem. Replies to this message: vedder69 (Sep 23, 2009 4:38 pm)
#4 of 4 Re: fuel gage problem [godschild1] by vedder69 Sep 23, 2009 (4:38 pm)
Replying to: godschild1 (May 22, 2009 8:27 am) I've had my 2008 Uplander LT Long Wheelbase in for gas gauge problem. The van is under warranty and the dealer did a sweep on the sending unit in the gas tank and found nothing wrong with it. I have noticed however that the gas tank in these vans are very long and narrow with the fuel pump and sender placed exactly in the middle. If one parks on a slight grade the fuel moves to either end of the tank, which would drop the float in the tank to empty.Once you travel a while on a flat road the gas gauge moves up to a eight of a tank. My brother which is a mechanic said that most Domestic vehicles don't keep the fuel Sender and Pump in a reservoir like Japanese vehicles. Keeping the fuel pump and sender submerged in fuel will not only keep the gauge from bouncing all over but extend the fuel pumps lifespan due to cooling by the gasoline. By the way i always fill mine when reaching quarter tank. Ed. B.C. Canada.

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