Question about Pontiac Cars & Trucks
The first thing that I would check would be to see if it is out of gas.
Posted on Mar 30, 2015
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Posted on Jan 02, 2017
SOURCE: Gas Gauge not working
when the fuel pump was installed the gas tank sending unit was either jammed when put back in the tank, is defective, or the sending unit was no reconnected.
Posted on Jun 20, 2009
When gauge is pegged at full, usually means a bad ground. Check wires at fuel tank, wiggle around, maybe one came off. The bad news is it is hard to get to without removing the tank. Sometimes you can reach arm in and get to them. Also check body ground at read of van.
Posted on Jul 17, 2009
85 with TBI only needs 13lbs of fuel pressure. verify that the fuel filter is clean. there is no easy way to ck fuel pressure, special adapters are needed, I dont have info here at home but there should be a relay for the pump, on the firewall and the oil pressure switch also powers the pump. did you replace the pump trying to fix this problem or did you just mention it to help troubleshoot the problem? verify that the fuel pump wiring has a good ground, should have been a eyelet that bolted to the frame..when you initially turn the key on, you should hera the fuel pump power up for 2 seconds, then go off, after the engine starts, the power for the pump goes through the oil pressure switch.
Posted on Sep 19, 2009
SOURCE: gas gauge
Remove the dash and remove the gas gauge pod - look for burnt circuits as this is the easiest part of the equation. Unless you hit something with the gas tank [ if you did - there will be a large dent in the tank] the problem mathematically lies in the gauge/wiring and not the tank/gauge.
Posted on Apr 04, 2010
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