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Old 18-05-15, 05:52 PM   #1
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Default Pre heat relay

Hi I have the following fault read from pp2000

Engine ECU
Permanent fault. Pre/post heating relay circuit relay controlled and spark plugs not supplied


Does this mean fuse might have gone, or relay not working, or glow plugs ?

I believe the fuse for this is under main fuse box in engine bay ? (any ideas how it comes out)

I am getting dpf fault come up quite often so I was thinking if glow plugs not working this may affect re-gen.

Any ideas please
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Old 18-05-15, 06:01 PM   #2
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Sorry forgot to say its a 207sw 1.6hdi on a 07 plate

Regards
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Old 18-05-15, 07:22 PM   #3
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Default glow plug.

what is the code you have?
P1351? is more often one or more glow plugs faulty.
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Old 19-05-15, 04:12 PM   #4
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Hi thanks for reply

I'm still new to PP2000 but didn't see any fault codes just as previous thread

Engine ECU
Permanent fault. Pre/post heating relay circuit relay controlled and spark plugs not supplied


But using a cheap ob11 I do get P1351 code and a few others

The thing is I cant recall ever seeing my pre-heat light come on

Any ideas please
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Old 19-05-15, 10:14 PM   #5
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Quote:
Originally Posted by haza1 View Post
Hi thanks for reply

I'm still new to PP2000 but didn't see any fault codes just as previous thread

Engine ECU
Permanent fault. Pre/post heating relay circuit relay controlled and spark plugs not supplied


But using a cheap ob11 I do get P1351 code and a few others

The thing is I cant recall ever seeing my pre-heat light come on

Any ideas please
Highlight the fault description and press f6 to get more information including the fault code.

I think the glowplug lamp illuminates when the ignition is first turned on as part of the self test routine but if you have planet you can turn on the dash warning lamps to see if it does work.
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Old 19-05-15, 11:23 PM   #6
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What warning light do you have on the dash? Is the car not running well? I.E what prompted the diagnostic?
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Old 20-05-15, 08:29 AM   #7
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Actuators test should test the relay.
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Old 20-05-15, 06:31 PM   #8
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Thanks all

Fault code showing P1351

Reason for diag, DPF fault showing on dash then goes into sort of limp mode i.e. about 2500rpm max, rest it ok for a while then does it again. Apart from that runs well

Will do actuator test (where is relay to listen to)

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Old 20-05-15, 06:47 PM   #9
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Glowplug fault is VERY common on all HDI engines it is most likely 1 or 2 bad plugs it can sometimes be the relay

The fault description says relay controlled but spark plugs not supplied !!

there are no spark plugs its diesel

The description on many fault codes are vauge at best

Bad plugs can cause failure to regen but so can many other faults that you think are nothing to do with the DPF fuel cap sensor for example.
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Old 20-05-15, 08:40 PM   #10
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...but if there's a fault in the glowplug circuit the regent will not commence. One of the plugs is likely the cause of the fault
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