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Old 17th January 2021, 07:48   #9
SD1too
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.

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Quote:
Originally Posted by Timefortea23 View Post
Got about 20m and it stopped.
We’ve checked the fuel pump works by powering the middle two pins on the electrical connector ... the pump isn’t being activated by the ignition.
Hi Daniel,

When the ignition is turned on the ECM runs the fuel pump for 2 seconds. With the rear seat cushion raised can you hear this, or measure it using a voltmeter?
Quote:
Originally Posted by Timefortea23 View Post
When the motor is cranked the tachometer moves ...
During cranking the ECM requires a signal from the crankshaft sensor to run the fuel pump.

In both cases the fuel pump relay is activated but you say you've checked that.

When you turn the ignition key to position II (ignition on) do the low fuel, high coolant temperature and brake warning lights illuminate for 4 seconds?

Simon
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