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Replacing CTS

Ivan_Good

New Member
Still not sorted out the rough running of the car. Next on the list is CTS (Coolant Temp Sensor).

My plan, clod engine, take the cap off the header, and seal the header, to create a vacuum (the wife's hand probably). Whip the old one out, and quick smart flick another one in.

Question, how much coolant am I likely too loose, and will it self bleed when I top it up? I'm assuming it will, as it is so close to the header.

I'm sadly starting to hate this car
 
Not yet, spike or Fred are my choices, both are away at the minute. Pretty sure it's not that, but needs checking to eliminate the pump though.

It will be something simple in the end, but getting frustrated at the minute. I'm not the sort to sit on the sofa and relax, whilst I have a poorly car on the drive.

I'm pretty sure I've eliminated things down to an over fuelling issue, also the cause of the problem isn't reported to the ECU so eliminated it further.

I want to do coolant temp sensor, for 2 reasons.
1. If faulty doesn't throw a code, and could cause over fuelling.

2. When I bought the car it had override switches fitted for the pod fans and rad fan. The switched for these were illuminated. In the off position, they illuminated when the engine got hot, ie back feeding. So worth changing for peace of mind for the future
 
GlowRed":fmd7pijl said:
Why don't you take it to a specialist?
He's absolutely right. Anyone with a proper diagnostic computer can tell you whether the sensor reading is matching the actual conditions or not. That person would also be able to tell you how the fuel trims are and whether the engine really is over fueling. Also it would be a 10 minute job to check fuel pressure under load. Looking for fault codes is a good start but not much more because they can mislead you. Plus sometimes they don't show up or tell you a fault that isn't actually present.

As for the sensor replacement it all depends on you how much coolant you loose and whether you have to top up and bleed or not.
 
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