Clio 172
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Plugs soaked with fuel ( pics)
- Thread starter fishmitten
- Start date
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- Tags
- fuel
Nice bush.
It sounds like you need to plug in some diagnostic equipment.
Is the coolant temp sensor connected properly?
It sounds like you need to plug in some diagnostic equipment.
Is the coolant temp sensor connected properly?
Clio 172
Clio 172
Yes mate all 4 soaked , the car will start but runs like a pig ,
Clio 172
Also mate I have just noticed that there is no power going to the temp sender , and if I turn the car over when it's disconnected the cooling fan kicks in and it doesn't start
Did you remove the engine prior to this problem?
I'd say you need something like an rs tuner so you can see what value the ecu is seeing from the CTS (coolant temp sensor).
I'd say you need something like an rs tuner so you can see what value the ecu is seeing from the CTS (coolant temp sensor).
Clio 172
No mate , engine was not taken out , I have no power to the sender either
Clio 172
Any ideas guys ?
Megane r26
Don't think the fact the belts have been changed would of caused this. What work previous has it had?
Also that cts plug looks rather tatty
Also that cts plug looks rather tatty
Clio 172
It had valves done and head gasket , valves were all checked after grinding etc , what puzzling me is that the is no power to the cts ,
Megane r26
It's over fueling, reason for the plugs being sooted. Take it it was running fine before you did the work? Just checking out some wiring diagrams now
Clio 172
Yes mate it run perfect , just wondering if when the head was removed did the cts get banged or something daft
Clio 172
Ha , that would explain that then mate lol , i disconnected the injectors 1 by 1 earlier and the engine not changed like it should too
Megane r26
It's whats known as a thermistor, resistance normally lowers the warmer it gets. Auto data doesn't contain any parameters/info for it though.
Megane r26
Have you checked the resistance across the injectors? From memory it should be around 14.5 ohms.
Clio 172
I've not checked the voltage but I know there is no voltage going to the cts ...
Clio 172
Would a failed cts cause all 4 cylinders to over fuel ?
A failed CTS would affect all cylinders equally and it may cause over fuelling depending on how it fails.
How can you know there is no power to the cts if you have not measured the voltage across it?
How can you know there is no power to the cts if you have not measured the voltage across it?
Clio 172
I just used a circuit tester on the wires going into the block connector on the cts mate
Megane r26
Tester? As in test light or multimeter? A multimeter will pick up the smallest of signal voltages. You also need to be whipping the cts out putting a meeting across it to measure resistance whilst its in a pan off water slowly warming up. Good way of testing them
Clio 172
It looks a bit crap tbh mate , I will replace on Monday as a matter of course
Megane r26
Unless it's proven bad don't bother, you could be wasting good money on something you don't need
Clio 172
I'm just running out of ideas mate
Clio 172
Cool thanks mate , I don't know how you keep your head working with renaults lol
Clio 172
Also it starts when cold and not when warm
Megane r26
That's more then likely because the car is running 'open loop' until it reachs certain parameters.
