Car Temperature Gauge Drops While Driving

I am facing problem of dropping of temperature gauge while driving. Replace the thermostat if the thermostat lets engine temperature get above 200 degrees F before it opens fully.

Temperature Gauge Drops When Driving Mobile Mechanic Pros

That increased airflow drops the.

. Its not likely the ETC either as the OBD reader shows the raw temp at 176 while the gauge is zerod pegged 100 deg. As we talked about the most common problem with a faulty engine temperature reading is the coolant temperature sensor itself sending the information to the cluster. Some cars have two temperature sensors while other car models have one.

The thermostat should maintain the engine temperature at about 180 degrees F. Tempneedle gets up towards the red mark while youre driving then yes. Typically the temp gauge reads at about just under halfway and it never moves up or down regardless of whether Im on the highway or in town.

Gauge reads and suddenly drops while driving. Diagnose and fix temperature gauge drops when driving issue. Crzgrl637 answered 6 months ago the cooling fans wont kick on then you will see gauge over heat.

Up to 8 cash back Reasons the Temperature Gauge Reads Cold. There could be a number of causes of a fluctuating temperature gauge but most commonly is the thermostat. Not uncommon for it to drop 4-5 bars while sitting at a red light even after being fully warmed up.

Your cars thermostat will open and close while you are driving. Up to 8 cash back Replace the cooling fan clutch if clutch operation is erratic. If your temperature gauge rises when idling but drops when driving the cause is almost always a stuck open thermostat.

My temperature gauge drops while driving and goes back to normal when at idle. The main reason why car temperature gauge goes up and down while driving is because something is not working properly in your cars cooling system. While traveling its critical to keep an eye on the temperature gauge particularly if youre stopped in traffic or climbing a hill.

Driving around town the temperature behaves normally - it sits at the middle of the gauge sometimes goes a little higher if Im sitting in traffic but not much. The stabilitrak light on the dash comes on and the brake lights stay illuminated until I press the brake pedal when I release the pedal. Up to 20 cash back Temp Gauge goes down when driving.

If the thermostat is behaving correctly it will only allow as much warm coolant out of the engine going to the radiator and cooler coolant to come into the engine as needed to allow the engine to maintain a temperature. On my way to work today I noticed that the temperature gauge was dropping way down when I was in traffic. - Answered by a verified UK Auto Mechanic.

Once back in city traffic it goes back up again and acts normally. 2 people found this helpful. Fluid level is fine ensured all of the air is out as well.

This morning even though Id been driving for 30 minutes on the highway I hit traffic and all of a sudden my motor temp drops to. Car is a Mk1 Golf. It could also be a head gasket cooling fan problem or the actual temperature sending unit.

If you have a cracked HG you should be able to see bubbles in your coolant either by opening the rad cap or monitoring the expansion tank. To fix either of these issues wed advise that you engage a proven auto mechanic. When error is cleared using OBD gauge immediately goes to 176 so ETC is being read correctly.

The most probable reason why your car temperature gauge drops while you are driving is that your thermostat stays open. Pulled the code and got temp sensor out of range but as soon as I clear the code the gauge works again not for long though. It is because there will be a gap between heating system and engine cooling system not like in homes where we can control both temperatures individually.

When it is stuck at the open position what happens is. Another reason the temperature gauge could read cold is if the thermostat in the. Temperature gauge dropping while driving.

If the temperature gauge still reads cold after the engine has warmed up the gauge may simply be broken. So no real problem there. The temperature drops due to the change of outside and inside air.

Goes up to the. If the temps are going down when travelling at speed this means the thermostat is allowing too much coolant from the radiator into the engine and. If the cooling temp drops the PCM is going to alter the air fuel ratio and this could cause a stall or poor running condition.

When the temp gauge drops the engine is overheating somewhere else I can smell it. Also ensure that you stick to a maintenance routine and. This started soon after I replaced a cracked reservoir.

The temp never goes over 90 though. 2004 Subaru forester when car running temp gauge goes up to near the red and heater blows cold air the hoses that go in to firewall one is. This sounds like the temp sensor is failing or you have a connection issue.

The reason the temperature gauge drops when driving is because theres much greater airflow through the radiator when youre at speed than at idle. This could be the thermostat valve radiator hoses radiator fan the temperature gauge or the coolant itself that circulates around cools off the engine. Why car temperature gauge drops while driving.

Youve arrived at the correct location if youre interested in why the car temperature gauge goes up and down while driving. What causes a 2003 mercury mountaineers temp guage to go from cold to hot then back to normal in seconds while driving. However on the highway the temperature slowly decreases until it sits just below the 14 mark.

On most vehicles the temperature gauge reads cold until the engine has run for a few minutes. The primary reason your car temperature gauge goes up and down while driving is simply because a component in your cooling system is not functioning correctly. Just recently I have noticed that the temperature gauge is sometimes slow to get to its normal driving temp 90 right in the middle but that and now when I am driving drops back down to 0 like I shut off the car then a little while later will shoot back up to normal temp.

So after a few minutes of my car refusing to start it finally caught and started. My ldv maxus when driving at 60 to 70 mph temperature needle drops down to cold and stays there also brings up. If you are getting heat from your vents the indicator is reading cold that means you have trapped air in your system HG failure or the sensor has failed or the wiring is faulty.

Faulty Engine Coolant Temperature Sensor. It could be the radiator fan water pump thermostat valve coolant or the gauge itself. CarGurusAug 20 2014 - Also as my temperature gage rises but car does not overheat.

Jump to Latest Follow. I have a 2006Pontiac Grand prix and my temp.

Why My Car Temperature Gauge Drops While Driving Solved

Temperature Gauge Goes Up And Down While Driving The Causes

Temperature Gauge Fluctuation What Could Be The Cause Torque