Hi gus i have a problem with my car's gas gauge. the digital gas gauge is not reading correctly sometimes, the bar represent gas in the tank is showing on the fullside instead of the empty side sometimes makes the gauge inverted. i do believe the empty side means the actual gas in the tank when that happens, however the gauge sometimes reads correctly when just start the engine or drive for a while. need help
You have a cold solder joint or two where the pins that physically hook your display module to the circuit board you need to disassemble or have someone disassemble your dashboard remove the display board turn it over pull off all the old solder with solder Wick or a suction device then Reflow all your connections with the appropriate wattage of soldering iron and wear a grounding strap. be sure to use rosin core solder not acid. one might be able to get away with just reflowing the old solder but it's such a pain in the
buttocks to get to might as well do it right the first time or you might be doing it again
Sounds like a faulty sender unit or your just realy low on fuel before you spend any money on repairs try filling the tank up with fuel as if its been low for a long time the sender unit in the tank may be sticking the fuel will lube it and may start working again
SOURCE: How to install a new fuel pump in my 1998 Honda
the gas gauge contacts get corroded by the chemicals in your gasoline over time, the only way to fix that is to replace the fuel sender unit...unfortunately the sender unit is usually incorporated into the fuel pump. fuel delivery problems like you describe could be clogged or dirty fuel injectors...if it's dying out on you as you drive it probably is indeed the fuel pump...usually an expensive fix. try an auto wrecker to find one for about 100 bucks.
SOURCE: 1994 honda civic dx 260k miles-Gas Gauge not working
This is indicative of the FUEL LEVEL Sending Unit and it is Incorperated With Fuel Pump Thus Requires Pump Replacment
SOURCE: 1990 honda accord temp gauge above hot limit.
Hi there,
Firstly - DO NOT run engine, when guage reads hot, as this will cause costly damage to head gasket & alloy engine head.
The fact that guage takes 1min to read HOT, would confirm the guage IS working properly.
So, other components which are likely to cause hot readings (in this order) are:
- lack of coolant (or leakage somewhere): is there sufficient green coolant at the correct level? Top up mixture to correct level. Repair any leaks.
- collapsed radiator hose: when engine is cold, start engine, then quickly watch both upper & lower radiator hoses to see if either begins to flex inwards (collapse). Replace if either hose is collapsed.
- bad/incorrect thermostat rating : when replacing thermostats, you must ensure it is of the SAME temp rating (they all differ).
- Incorrect Temp sensor rating: the ratings of this sensor must be within manufacturer's spec's.
- bad waterpump: the engine relies on the waterpump to distribute the coolant throughout the entire system. If waterpump is faulty, coolant will not flow quick enough, causing overheating.
If you still believe all of the above components are OK, then have your cooling system "pressure tested". This test should be done, before looking further at other electrical components.
Cheers,
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