Question about 2001 Nissan Altima

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Temp gauge reads normal then drops down when accelerating

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Posted on Jan 02, 2017

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SOURCE: INTERMITANTLY TEMP GAUGE GOES FULL HOT/GAS GAUGE

Hi, you must just change the Gauges because by this you don't know when the engine is getting hot.

Posted on Sep 16, 2009

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morse008
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SOURCE: 2004 Nissan Maxima temp gauge fluctuation

well the temperature control gage is connected to the engine block and consists of 1 wire for the reading of the motor heat either the sensor is going bad or you need to check your coolant levels in the radiator make sure the engine is cool before opening the thermostat cap to the radiator so not to get burnt ...also make sure the wire itself is not grounding out on the engine block to give the gage to give such a readout look to the engine and usually on the drivers side lower the plug wires you should see a plug with a wire coming from it ensure the wire is not rubbing on anything .

Posted on Oct 02, 2009

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Check engine light flashes only til I reach 30 mph, slow while acceleration, engine temp fluctuated from normal to low on temp gauge, engine rpms seem to drop lower than normal? What is wrong here?


the lowering on the temp gauge indicates a lack of coolant around the bulb of the temp sender unit or a lack of flow around the cooling system
could be from low coolant level or blockage in the coolant system from forming ice ( 16 degrees is -8 degrees Celsius which is below freezing point of water)
I suggest that you check the antifreeze ratio in the cooling system and it should be no less than 50/50 to water
any thing less than 50 % antifreeze in the water will allow the coolant to freeze up which may be your problem
coolant condition should be checked every season as it does deteriorate over time and the % ratio will drop
topping up with normal water is another method of lowering the % point
check with a radiator shop or dealer service center to get the correct % of antifreeze for below freezing conditions and keep it at that point

Dec 20, 2015 | 1999 Toyota Camry

1 Answer

My trucks temp gauge stays cold mostly unless in 4th-5th gear?


do you have a coolant thermostat fitted if not this can make your temp gauge unstable as the stat should not let water though until normal temp is achieved if this is all in order a water pressure test may be needed to check that the head gasket is not letting compression gasses into the water jacket

Nov 14, 2014 | Cars & Trucks

1 Answer

Temperature gauge does not give accurate reading


check to see if fan stays on all the time
if not i have seen thermostats put in backwards
the thermostat is what holds water to the block to warm
to op temp then open to cool

Feb 27, 2012 | 2000 Plymouth Neon

1 Answer

Ac blows warm under acceleration


That is normal to and extent, the compressor will kick off during acceleration to allow the power needed, does it return to cooling after letting up on the gas peddle ? if so this is normal. air coming out the inside vents should read (temp gauge) below 60 degrees at idle, when the car is driving it should drop temp.

Jun 10, 2011 | Saturn SC2 Cars & Trucks

1 Answer

Temp gauge often reads too hot, engine normal.


It sounds like your cooling fans are not comming on by themselves, but when you turn on the ac it forces them to turn on. Make sure relay is good, then replace coolant temp sensor, this may have failed no telling pcm to turn on cooling fans. Thanks

Jun 08, 2009 | 2002 GMC Safari

1 Answer

Problem with temp, battery and oil gauges, speedometer erratic.


get the original company service and repair manual from the given link it will help you to fix all the facing problem along with diagram

Oct 09, 2017 | 2005 Ford Mustang

2 Answers

Slow acceleration, high rpm


This sounds normal to me! The engine will read that rpm when accerlerating lightly. It is the stall of the torque convertor. The oil pressure will always be higher when the rpm's are higher, or when the oil is thicker - cold.

Virbration? That is a different story. Oil won't cause that.

Mar 25, 2009 | 1992 Buick LeSabre

1 Answer

Intermitant temperature


Check to make sure your thermostat works right by monitoring the warming up of your engine. With a completely cold engine, start and run the engine for a few minutes, then put your hand on the top radiator hose to monitor if and when it gets warm as the thermostat opens more and more and note the gauge reading( if it works) the top radiator hose should be unbearably hot within 5-8 minutes. If the therm. opens right it should close right aswell, staying open a little while eventhough the radiator may have cooled may be what you are experiencing causing the rapid cooling and is nothing to worry about. The Hose should not get warm very soon after starting the engine. Regarding you gauge, lets take one step at a time, verify proper op. or the therm.

Jan 20, 2009 | 1986 Toyota 4Runner

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