One for Wammers

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S

sandyt

Well-Known Member
Posts
1,615
Location
Wraysbury Nr Heathrow
Help please Wammers
My coolant sensor is showing -23 C so am I better of taking connector off or leaving it on I have to drive 120 miles home have new sensor at home
 
Yep ever so slightly I have a hangover afraid so not thinking straight I will start her up and disconnect the sensor whilst in live data and see what happens ta for reply
 
sandyt said:
Yep ever so slightly I have a hangover afraid so not thinking straight I will start her up and disconnect the sensor whilst in live data and see what happens ta for reply
Click to expand...

Just had a read and yes it does have a backup value preset. So should be ok to disconnect.
 
Just ran her and disconnected and runs better:eek::eek: Interestingly when disconnected the reading went to -40c then went blank??will do more indepth diag when home
Thanks again for your help
 
Got home ok and fitted new temp sensor this morning lambdas are now giving good results the maf is also spot on had it not been a post you put up a long time ago that I stumbled on whilst searching I would have wasted a load of time thanks again Wammers
 
sandyt said:
Got home ok and fitted new temp sensor this morning lambdas are now giving good results the maf is also spot on had it not been a post you put up a long time ago that I stumbled on whilst searching I would have wasted a load of time thanks again Wammers
Click to expand...

No problem that's what it is all about. :):)
 
sandyt said:
Just ran her and disconnected and runs better:eek::eek: Interestingly when disconnected the reading went to -40c then went blank??will do more indepth diag when home
Thanks again for your help
Click to expand...

The faulty sensor must still be giving a reading that's considered to be within range, when you disconnected it the ECU knows for sure there's a fault and goes to the default. Having been to Poland a few times in the winter -23C is a very realistic possibility!
 
Replaced the sensor when I took old one out it just span so had to nibble the plastic of it was full of white oxidation crud no wonder it was confused see what that white powder does to footballers :D:D
 
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