karlak
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| posted on 26/8/11 at 05:14 PM |
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Fault on my Sons 1.2 52 plate Polo
Hi,
Have got this code on the my Sons Polo 1.2 6v (read it with a VCDS (vag.com)) cable
1 Fault Found:
16500 - Engine Coolant Temp. Sensor (G62): Implausible Signal
P0116 - 35-10 - - - Intermittent
Readiness: 0000 0100
I am having some difficulty finding the location of this sensor. Ringing around some places are telling me it is the sensor in the Radiator, but
surely that is the Radiator FAN swicth and not a coolant sensor.
Can anyone assist please as to where this sensor is located ??
Cheers
MK Indy - 2litre Duratec - Omex 600 - Jenvey throttle bodies - ETB DigiDash2
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Mark Allanson
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| posted on 26/8/11 at 05:28 PM |
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Has he got a blown brake lamp bulb?
(seriously)
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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karlak
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| posted on 26/8/11 at 05:38 PM |
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quote:
Originally posted by Mark Allanson
Has he got a blown brake lamp bulb?
(seriously)
Not that i know of.
W ehave been having intermittant engine management lights
I can clear the error, but then it comes back(to be fair this is the first time it has complained about engine coolant temp), we have also had
intermittant fueling and Catalytic codes, when I have researched it seems that a false reading coolant sensor can upset the ECU and over fuel etc.
I think I have now located the sensor - Is it me or are Haynes manuals not what they used to be back in the 80's ??? I am sure they used to
have a diagram to point out components as well as a diagram section to show how/where to find componets to change.., It seems many things are now
just covered by a paragraph of text 
MK Indy - 2litre Duratec - Omex 600 - Jenvey throttle bodies - ETB DigiDash2
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daviep
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| posted on 26/8/11 at 05:38 PM |
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Auto data shows it to at the RHS of the head.
Here's a screen dump of the autodata page.
HTH
 
polo coolant sensor
“A truly great library contains something in it to offend everyone.”
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karlak
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| posted on 26/8/11 at 05:43 PM |
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quote:
Originally posted by daviep
Auto data shows it to at the RHS of the head.
Here's a screen dump of the autodata page.
HTH
polo coolant sensor
Dave , you are a gent,, thankyou.
Is that a web document that anyone can look at you have there ?
MK Indy - 2litre Duratec - Omex 600 - Jenvey throttle bodies - ETB DigiDash2
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Russell
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| posted on 26/8/11 at 05:50 PM |
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Common fault!!
I'm a bilingual illiterate. I can't read in two languages.
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daviep
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| posted on 26/8/11 at 05:53 PM |
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Sorry it's a screen print of of an autodata CD
Here's the test values of the two sensors depending on which engine code :
AWY First
 
AWY sensor values
2nd AZQ
 
AZQ sensor
Sorry there so small, it's something the site does now.
Davie
[Edited on 26/8/11 by daviep]
“A truly great library contains something in it to offend everyone.”
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karlak
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| posted on 26/8/11 at 06:01 PM |
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Many thanks, will pop out and get a new sensor tomorrow. Hopefully this has been causing the other intermittant fueling issue as well 
MK Indy - 2litre Duratec - Omex 600 - Jenvey throttle bodies - ETB DigiDash2
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Mark Allanson
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| posted on 26/8/11 at 07:05 PM |
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A blown brake lamp causes a voltage change in a shared circuit and can through up all kinds of errors, we has 22 Polos a courtesy cars and this was a
fairly common fault
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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karlak
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| posted on 26/8/11 at 07:09 PM |
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quote:
Originally posted by Mark Allanson
A blown brake lamp causes a voltage change in a shared circuit and can through up all kinds of errors, we has 22 Polos a courtesy cars and this was a
fairly common fault
Shall bear it in mind for the future - Cheers
MK Indy - 2litre Duratec - Omex 600 - Jenvey throttle bodies - ETB DigiDash2
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austin man
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| posted on 26/8/11 at 10:27 PM |
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My Golf 1.8 turbo does this occasionally and I find the problem to be the sensor in the header tank if coolant level is a little low
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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