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Discussion Starter #21
🤙🏼🤙🏼🤙🏼 IT STARTED 👍🏻👍🏻👍🏻

Today I fitted a new fuel stop solenoid, sprayed some quick start into the intake and the van started! I left it running for about ten minutes while plumes of unburnt diesel finally escaped.

While it was running I began putting the front end back together and moved the ECU - the engine died immediately. I could not get it restarted even with easy start and with the battery dying decided to put it on charge for another go tomorrow.

Plugged it into VCDS lite and no new fault codes. Immobiliser is good.

Any ideas why it won’t restart, not even with quick start. Turn over is strong just like before...

😩
 

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I think you answered your own question “moved the ECU - the engine died immediately” connector or wiring fault or unlikely something loose in the ECU
 

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Discussion Starter #24
Pulled more conduit off the loom running from the ECU to the engine and found a bunch of broken or crimped wires thanks to a securing clamp...

177817


Obviously some of these have been in a bad way for a while but it doesn’t really explain how the van ran so well for most of the two years we’ve had it. It’s been to Spain & Portugal more than one in that time...unless these were finally broken when the VW Indy dug in here to lube the gear mechanism.

Anyway, the broken & damaged wires have been repaired but as it’s miserable outside now all checking on the engine loom has stopped. I’m guessing the weather will be glorious again during the week..

177818


Fitted a new temp sensor with correct size o-ring as well Which will cure that leak. Why are people so blooming lazy?

177820


177819


I’m still trying to trace the reason why the N75 valve is getting a open circuit or short to ground fault. The resistance checks out at 26.6 ohms but the N18 valve with the same fault only reads 16.6ohms, so that one may be goosed, I’m going to have to check.
 

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Having a similar fault code on my van and whilst checking the wires discovered that one of the blue/brown wires (there are 2) going to the ECU comes from the N75 so hopefully now that you have reconnected them it should go away.
 
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