Today noticed tachometer needle fluctuating wildly and coolant gauge stuck below "c." Both resolved after driving 10-15 minutes but resumed when car was restarted, again resolved after 10-15 minutes. Car drives normally otherwise. Could there be a loose ground wire somewhere?
Yes it could be
SOURCE: 1996 toyota 4-runner.....after about an hour
check ur coolant level if full check thermostat if its good try temp sensor
SOURCE: The tachometer was showing about 1,500 RPM more it should be.
somebody had dash out and did not fit correctly.Have u just purchased the car?
SOURCE: tercel 1997
I had the same problem, check if there's any oil in the spark plugs, or maybe one of the wires is loose or the plug is bad.
SOURCE: Temp gauge fluctuates while driving
1.Check you top and bottum radiator lines.
2.Check for the coolant in the oil
3.If nohing else than you might have a faltuy cap or radiator
SOURCE: i noticed two days ago that the a/c cooling system
Sounds as if the electric fan on the radiator isn't coming on. Most radiator shops also work with A/C systems and may be more qualified to do the work. However, any good "normal" repair shop should also be able to diagnose the problem. Try not to drive it very far and keep close watch on the engine temperature. An overheat can do extensive (expensive) engine damage. If you have a fill cap on the radiator, fill it there (when cooled down) filling the recovery bottle may not be sufficient to get coolant into the engine.
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