1994 s10 Blazer->Float fuel gauge and temp gauge not moving!

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1994 s10 Blazer->Float fuel gauge and temp gauge not moving!

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Blazer Forums >> Mechanical & Maintenance >> General Tech Help >> 1st Gen S-series (1983-1994) Tech >> 1994 s10 Blazer->Float fuel gauge and temp gauge not moving!

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1994 s10 Blazer->Float fuel gauge and temp gauge not... - 3/6/2008 5:23:22 PM

Mulisha

Posts: 4
Joined: 3/6/2008
Status: offline

I have a 1994 chevy s10 Blazer LT Tahoe and my analog fuel gauge floats horribly and my temperature gauge is not moving period and believe is setting off my check engine light every once in a while. Just bought the blazer and the fuel pump and gas tank have been changed by previous owner. Anything would help. Thanks

Post #: 1

RE: 1994 s10 Blazer->Float fuel gauge and temp gauge... - 3/6/2008 7:48:46 PM

94blazer4.3ho

Posts: 69
Joined: 8/6/2007
From: utah
Status: offline

Well for your fule gauge problem your out of luck, GM's fule sending unit are popular for having faults. Unless you replace the sending unit of course. For now I have dicided to live with the problem. As for the temperature gauge, you could replace the sending unit. Witch is fairly easy, and inexpencive. This sensor will set off the check engine light. Code 14 for high temp, or 15 for low. hope this helps.

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i have been through alot with my blazer in the end its worth it / 1994 s10 blazer with 4.3L V6 vin W 135000 miles new fule injector, EGR valve, water pump, fanclutch, termostat, radiator, front sway bar bushings, bilstein front shocks,

(in reply to Mulisha)

Post #: 2

RE: 1994 s10 Blazer->Float fuel gauge and temp gauge... - 3/6/2008 8:40:00 PM

eddiegreeny

Posts: 10
Joined: 3/6/2008
Status: offline

i changed my pump last year and my guage doest work. dont know if it is bad ground cuz i cut the wire, or what

(in reply to 94blazer4.3ho)

Post #: 3

RE: 1994 s10 Blazer->Float fuel gauge and temp gauge... - 3/7/2008 1:19:34 PM

Mulisha

Posts: 4
Joined: 3/6/2008
Status: offline

I grinded down my ground location and it seemed to help a little but still floating. And where is the sending unit for me temp gauge.

(in reply to eddiegreeny)

Post #: 4

RE: 1994 s10 Blazer->Float fuel gauge and temp gauge... - 3/12/2008 10:29:38 PM

ATP

Posts: 47
Joined: 5/1/2007
From: Lake Villa, IL
Status: offline

I have the same problem with my temp guage, it doesnt seem to move, and my fuel guage is kinda unreliable as well. Damn you GM.

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White 94 S-10 Blazer 4X4 4.3
Blue 02 Jeep KJ Liberty Limited 3.7 (Mine after summer)
Red 04 Jeep KJ Liberty Sport 3.7

(in reply to Mulisha)

Post #: 5

RE: 1994 s10 Blazer->Float fuel gauge and temp gauge... - 3/24/2008 7:14:27 PM

Mulisha

Posts: 4
Joined: 3/6/2008
Status: offline

I found out why the fuel guage is floating on the 1983-1994 s-10 blazers, By told through a GM dealer that year of vehicle does not have a "balast" or a little cup around the sending unit that has holes in the bottom of it for gas to enter. The balast is suppose to stop the wave of the gas in your tank from effecting your sending unit to keep your gauge steady. So there is one problem solved on to the next one.

(in reply to ATP)

Post #: 6