Flashing Red Light On Temp Gauge

[boxman32]

hi,hope someone can help...i have a flashing red light on temperate gauge a few seconds after car starts,and continues flashing until i turn off car.checked water botle level,thats ok,have changed both sensors on thermostate housing(suggested by ford,costing

[Guest 3.5bullet]

http://www.freedomtrailriders.org/forums/style_emoticons/default/friggenmonkeyhead.gifDid we not suggest to you that this is a fluid level related problem http://www.freedomtrailriders.org/forums/style_emoticons/default/banghead.gif either the sensor in the expansion bottle or the wiring to the sensor

[strouf]

Try disconecting the sensor on the expansion bottle.This should stop the light from flashing. Then you know the sensor is faulty. If the light doesn't go off , you 're looking for a wiring problem.

[Guest neil_wiles]

If you disconnect the wiring to the expansion tank it will just show with a firm red light in the dash so its possibly just a dirty contact in the plug so removing and refitting it would probably show a change.

 

 

 

I have had the same on my MK1

[strouf]

If you disconnect the wiring to the expansion tank it will just show with a firm red light in the dash ...

 

in that case you can check the expansion tank sensor,by connecting the two leads going to it. If this stops the problem,you know the sensor is faulty.

[sepulchrave]

If you're really worried about it fit a new expansion tank, otherwise whip the instruments out and remove the offending bulb, reassemble and hey presto no more sleepless nights! ;)