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J Woody

Lupo unlocks doors and cuts out when driving

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So, I have a Lupo 1.4S and when I drive it (starts fine), the doors will unlock and the interior light turns on, then the car will cut out (revs slowly drop to zero). It will then start up fine, drive for a few metres then cut out again, all while pretty much constantly unlocking the doors. When the car cuts out it brings the engine light on with the following codes:

16585 to 16588 - Injector Cylinder (1 to 4) (N32): Circuit Malfunction -- Intermittent   

01039 - Coolant Temperature Sensor (G2) - Not currently testable -- intermittent

00945 - Crash Sensor (G190) - Short to Ground

 Any help diagnosing this problem would be greatly appreciated.

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If by crash sensor it means the one that detects a crash and shuts off the fuel then that could be the cause of it cutting out, but it might be air bags or something else.

Looks like electrical gremlins though either way, check the earths to body and engine / gearbox etc and dodgy wiring for starters....

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80 miles later, and the problem has returned. There are some new fault codes:

17550 - Load Calculation Cross Check: Lower Limit Exceeded - Intermittent

17524 - Oxygen (Lambda) Sensor Heating: B1 S1: Open Circuit - Intermittent

17513 - Oxygen (Lambda) Sensor Heating; B1 S2 - Intermittent

17526 - Oxygen (Lambda) Sensor Heating; B1 S2: Open Circuit - Intermittent

Along with the codes from before, which were cleared and have now returned.

Again, any help would be much appreciated.

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check the wiring which goes to the front lambda, it cracks up so peel the plastic back as far as you can.

also, new temp sensor.

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