I thought there was a guide to testing sensors somewhere in the FAQ's but can't see it

Can the Cam sensor be tested with a multimeter? What values should I be seeing?

I've got a hot start fault - struggles to fire when the engines been run, switched off and tried to restart.

Car's had (all new):
Genuine coolant temp sensor (green)
Marelli ICV
Bosch crank sensor
Correct NGK plugs

+ history of genuine replacement coils.

Can't think of anything else that might upset the starting

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Thanks to the information provided I tested the sensor over the weekend and confirmed it's duff.



Worth noting that the signal disappears after a while presumably when the ecu's got enough info to set-up the sequential firing and check cam and crank are in sequence? Of course, it could've just been my wires coming loose that caused the signal to disappear...

It's a bit of a faff firing the car up then dashing round to put multimeter probes on pins 2 & 3 so get some extra helping hands if you can.

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Thanks for the tips and advice, something to remember for next time with tht type of sensor

Although testing the resistance indicated the sensor wasn't at its best, replacing it hasn't solved my hot start issue. It has however, improved the on/off throttle situation that was aleways a little jerky- nice & smooth now!

I had a look again at my coolant temp sensor (green one in thermostat housing). It's not that old and a genuine Peugeot one but the green plastic bit is rotating within the metal. I'm going to guess that's my fault.

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198131 injector o-rings for sale