Question about 1996 BMW 318

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Dean my temperature goes straight to the red when car is started from cold.theres a new temp switch on front of block is there another switch or what else could be my problem

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  • dipsy_1 Jun 21, 2008

    no not running hot running normal and the car has new temp switch on the front of the block the car is a 318ti compact 95 model thanks for your help

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  • 458 Answers

You got my attention using my real name.
Is the car even running hot? Give me the make and model again so I can look it up. This gauge is being stupid. Almost sounds like something is on backwards.

Posted on Jun 21, 2008

  • T&N Family Electronics Dean and Sherrie Terrell

    (HERE) is your manual, You might find something here. I have to step out right now. I will look through the manual when I get back in.

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1 Answer

I also can hear that fuel pump winding...how does the relays in the glove compartment work...will they affect a cold start?


Not if the fuel pump is operating. It is more likely the Ecu is not getting the temperature data from the engine block temp sensor. There are usually two temperature sensors on the block. One provides temp to the dashboard temperature guage. The second, the most critical for cold start, provides temp data to the Ecu which determines the cold start program. If you are a DIY you need a repair manual, if not now later. Auto repair stores may have, your library may, or filepeep.com if they have it, or
manualslib.com. (Make model year) It will show where the block temp sensor for the Ecu is. It may need to be replaced. However I found on my 20 yr old auto that corrosion had compromised the data and caused a very rough, difficult start. I cleaned and scraped the connecting parts to bright metal. Reset error codes and Instant start, just like brand new. So double check for clean connections first. You may find it very difficult to access the connections. Thus the need for a repair manual.

Mar 26, 2015 | Cars & Trucks

1 Answer

Replaced battery and now the temperature gauge stopped working.


Usually, there are two temp sensors on the block. Depending on the car the one that controls the temp gauge is near the front of the block and connection is problematic. It may be in the region of the battery and become disconnected, and or I am finding bad connection due to corrosion or perhaps battery acid in your case? Double check the connection polish spade and try to clean connector with a tooth pick.

Mar 11, 2015 | Cars & Trucks

1 Answer

Iv got vauxhall zafria model 2004 outside temperature symbol is not coming on dashboard is that a big problem should take it straight to gargage


No outside temperature just shows the temperature outside the car the snowflake symbol will not show up until it is cold enough outside it has 2 stages yellow is an initial warning of cold temperatures when it gets to freezing the symbol will turn red.
The outside temp warning is not connected to anything mechanical only the engine temerature gauge is so dont worry it will not affect the running of the car but is just there as a warning of falling temperatures outside.

Feb 13, 2015 | Vauxhall Cars & Trucks

1 Answer

The temperature gauge goes up when car starts to HOT like its out of calibration. the engine is not overheating


check that the wire to the temp sender unit has not fallen off and is shorting out on the head/block. The power comes from the ignition switch through the gauge down to the sender unit and because the sender is a temperature controlled resistance unit the voltage is very low and so the gauge reads cold . as the temperature heats up , the resistance is decreased and so the voltage is increased though the gauge and the needle reads higher.. Hench if the gauge goes directly to hot on start up the wire is shorting out or the sender unit is faulty.

Mar 09, 2014 | Acura CL Cars & Trucks

1 Answer

Temperature guage goes hot immediately upon starting 98 buick regal


Make sure you billed the system , this engine have two bleeder valves one on front above the front valve cover and the other one on the driver side on the top radiator hose near Engine , it should a 7mm add antifreeze while those bleeders are open , also check that you don't have a blown intake gasket or Head gasket , but as far is the temp goes up quick , it's because it has lots of Air in the cooling system and it must be bled . Becareful full as antifreeze may be extremely hot during this process . Hope this help

Jan 13, 2013 | Buick Regal Cars & Trucks

1 Answer

Starts but wont stay started


There is a temperature sensor by the upper radiator hose it goes into the intake or block and a temp sensor in the bottom of the throttle body telling the engine that it's cold and needs a richer mixture to keep running

Nov 09, 2011 | 1997 Jeep Grand Cherokee

1 Answer

When I start the car, the temperature guage goes to the normal position, the air coming from the heat vents is cold. When I accelerate the temperature coming out the vents rises and when I decelerate the...


the temp senser is probably shot but easy to replace. i would start there its location is usually the radiator cap and some times on the side of your engine block. as far as fluctuation in temp upon rpms is unfixable, that is just something i call character.

Feb 10, 2011 | 2000 Lincoln LS

1 Answer

2002 couger 2.5


if the gauge goes straight to half, even when the engine is stone cold, i would suspect a bad temperature gauge sending unit. you will find it near the thermostat housing. good luck!

Jun 01, 2010 | 2002 Mercury Cougar

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