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[terry paget]

X84GNB 2.5 petrol manual estate
Have changed dis pack. On start up EML went out, but came on after 1 minute. Codes 1 2 1 2 1 2 1 3 2 1 3 2 1 3 2 1 7 1 7 1 7 1 2 1 2 1 2 1 3 2 1 3 2 1 1 3 2 1 7 1 7 1 7 Plug into plenum dual ram switch seems secure this time. What else could it be?

[RobG]

Check EGR connection and connection to N/S knock sensor

[terry paget]

Thanks Rob. EGR connection is OK, but cannot find n/s knock sensor. Where is it?

[Johnny English]

Next. Seek a brown connector, mate!  and a code reading is also recommended as give some tip to sort the problem out! 

[terry paget]

Found cable to knock sensor, below wiring harness on n/s. It was disconnected. I reconnected it. EML light is still on. Codes still 1 2 1 2 1 3 2 1 3 2 1 3 2 1 7 1 7 1 7 1 2 1 2 engine running.

[TheBoy]

Found cable to knock sensor, below wiring harness on n/s. It was disconnected. I reconnected it. EML light is still on. Codes still 1 2 1 2 1 3 2 1 3 2 1 3 2 1 7 1 7 1 7 1 2 1 2 engine running.

12
132
17
12

The 17 will possibly be left over from the knock sensor being disconnected, so check 132 in the code list (maint guides)

[terry paget]

Thanks.17 is knock sensor, I have corrected that. 132 is Exhaust Gas Recirculation Valve Incorrect Feedback Signal. I blanked off the EGR valve in the summer as it was leaking. No EML then. However, the top of the valve - the electric bit -  is very loose. Could this be the problem?

[terry paget]

Last night I found an old EGR valve top in my pile of bits, so I fitted it. This one was not loose in any way. But the light stayed on.

This morning I took the car down town. The light was on when I left home, but when i reached my print shop half a mile away the light was off. Since then I have driven 30 miles, and the light has behaved normally. So all is well. Thanks to all for help.