fuel needle on IP - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Reply
 
 
 
Thread Tools Search this Thread
Old 01-07-2004, 05:10 AM   #1
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: May 2003
Location: San Diego, CA
Posts: 203
Thanks: 0
Thanked 0 Times in 0 Posts
grey3800 is on a distinguished road
Default fuel needle on IP

I started my day off with the needle saying i was at 1/4 tank left. 50 miles later, on was on my way home for the day and noticed that the needle was at EMPTY! and wasnt moving. I got off the freeway and the needle would only move up on high acceleration, so i knew there was at least some gas in there. The last time my needle behaved like that, i refilled my tank up with 17.8 gallons. That was about 4 months ago. This time it filled up at 16.2 gallons, i thought WTF? Has anyone else had problems/troubles with their tank sensor?
grey3800 is offline   Reply With Quote
Old 01-07-2004, 01:11 PM   #2
Senior Member
Posts like a Northstar
 
Join Date: Sep 2002
Location: Riverton, Wyoming
Posts: 740
Thanks: 0
Thanked 0 Times in 0 Posts
egladman is on a distinguished road
Default

Sometimes my gauge does the same thing. Yesterday my car read less than 1/8 and it held 16.5 gallons. I think iti'* a typical GM fuel gauge.
egladman is offline   Reply With Quote
Old 01-07-2004, 02:32 PM   #3
Senior Member
True Car Nut
 
Join Date: Sep 2002
Posts: 3,392
Thanks: 0
Thanked 0 Times in 0 Posts
fuddyduddy121 is on a distinguished road
Default

On a lot of the 92-99s the needle drops really fast after it gets to the 1/2 mark. Definitely not a linear relationship.
fuddyduddy121 is offline   Reply With Quote
Old 01-07-2004, 09:41 PM   #4
Senior Member
Posts like a Camaro
 
padgett's Avatar
 
Join Date: Jul 2003
Location: Orlando, Florida
Posts: 872
Thanks: 0
Thanked 0 Times in 0 Posts
padgett is on a distinguished road
Default

Every GM car I've had has been like that - at 3/4 it is really half tank.. One reason it is really bad on the Bonnie is that the tank is really an L and when the sender is as far up as it can go, it is not to the top. So it takes three or four gallons just for the sender to move.

Second the sender does not go straight up and down but swings in an arc so the first and the last bits really do not mean much. Finally the general always tries to have two gallons left when it hits the big E but the factory guages are by no means accurate.

You really do not want to run it completely out for two reasons - the fuel pump is not getting cooled by being immersed any more and sucking air is really hard on it.

BTW the factory says the tank holds 18 gallons but you can get another 1.2 gallon "up the neck".
padgett is offline   Reply With Quote
Old 01-07-2004, 10:59 PM   #5
Senior Member
True Car Nut
 
Join Date: Dec 2002
Location: Halifax, Canada 91SSE / 97SSEi
Posts: 5,857
Thanks: 0
Thanked 0 Times in 0 Posts
Merlin 91/97 is on a distinguished road
Default

Merlin 91/97 is offline   Reply With Quote
Old 01-08-2004, 03:50 AM   #6
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: May 2003
Location: San Diego, CA
Posts: 203
Thanks: 0
Thanked 0 Times in 0 Posts
grey3800 is on a distinguished road
Default

Quote:
Originally Posted by padgett

You really do not want to run it completely out for two reasons - the fuel pump is not getting cooled by being immersed any more and sucking air is really hard on it.
I totally agree, that one incident months ago was the first and only time it will ever happen. I get paranoid about running my fuel system dry, so i usually fill up at around 300-350 miles, giving me about 2 gallons left to fall back on if neccessary.
grey3800 is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Oil Pressure needle pinned to right? LarryCigar Everything Electrical & Electronic 4 11-13-2004 12:04 PM
Kids and Space Needle (Large PIC!) willwren Lounge 4 09-20-2004 12:32 AM
Tach needle fluttering, possible crank sensor? crzydmnd72 1987-1991 3 04-17-2004 05:57 AM
Crazy gas needle in 92 SE LordBug 1992-1999 6 03-12-2004 04:47 PM
m62 GREASE FOR NEEDLE BEARINGS? jscdoo Forced Induction 4 06-25-2003 03:32 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 12:10 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.