Re: Peugeot 406 2.0 HDI 110 RHZ Bosch EDC 15C2 Archived Message
Posted by Dave Harney on September 27, 2008, 11:10 am, in reply to "Peugeot 406 2.0 HDI 110 RHZ Bosch EDC 15C2"
Hi Colin, Fuel pressure isn't plausible at idle so ECU is entering limp mode. Rail pressure sensor is located on underside of rail, bout halfway along. Follow the wiring down from pressure sensor until you see a yellow block connector, should be down front of engine, close to bellhousing. Connect to middle pin (pressure sensor signal wire) ideally using a scope, check voltage output on this wire, firstly ignition off, then ignition on then engine start. Should have 0v then 0.5v then approx 1.3 v at idle. 1) Faulty pressure sensor 2) Faulty pressure sensor wiring 3) Pressure control solenoid faulty Regards Dave
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