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Anyone had experience connecting a lap-top to a Stag300+. I've downloaded AC Gas Synchro from AC.com and purchased an AC USB interface lead but the software refuses to find the ECU. Tried all availbble ports but wont even try to connect. Anyone got any ideas ? Am I missing anything, like another dri...

Hi Hugh, It would make sense that faulty (or missing) coolant temp sensor could cause this. Let us know how you get on. Sorry for the delay in answering, its taken a while to sort it out and I wanted to run the car for a couple of weeks to make sure it was a permanent fix. In the end there were two...

Curious enough, just today the PT100 tenp sensor fell out of its holder...Dho!...I wonder where the problem is... Got a spare so will fix it tomorrow. Many thanks for my one and only reply.

Hugh

Have exactly the same problem with my V6 Merc. Glad you found the answer. I'll follow your example - thats the power of the forum.

Hi, new member so first post. Merc V6 E240 2001 with AFC components fitted. When cold, all behaves as expected changing to gas about 60 degs. When started at full running water temp, and only intermittently, the car refuses to change over to gas. I guess its the shut-off solenoid or the regulator, b...