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Old 30-12-11, 01:15 PM   #1
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Default fuel cap warning

fuel cap not closed shows on dashboard readout plus orange triangle shows
does anyone know is there a accessible switch for it anywhere
307 hdi 2.0 sport 57 plate fault sign only comes on when you start to drive
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Old 30-12-11, 01:28 PM   #2
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Likely to be the sensor at the top of the filler neck. Not too expensive to replace, but needs to be done asap or else you will have DPF problems as no fluid will be pumped into the tank after a fill up.
Post last 8 digits of vin no. and I can post up a pic for you
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Old 30-12-11, 04:45 PM   #3
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Quote:
Originally Posted by jmkent View Post
likely to be the sensor at the top of the filler neck. Not too expensive to replace, but needs to be done asap or else you will have dpf problems as no fluid will be pumped into the tank after a fill up.
Post last 8 digits of vin no. And i can post up a pic for you
85022561
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Old 30-12-11, 05:09 PM   #4
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I believe the filler cap sensor is part no.20 - Peugeot rrp 64.38 incl VAT
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Old 30-12-11, 05:21 PM   #5
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Quote:
Originally Posted by jmkent View Post
I believe the filler cap sensor is part no.20 - Peugeot rrp 64.38 incl VAT
thanks will check the wiring first
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Old 30-12-11, 05:24 PM   #6
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There is a thread on here somewhere that details what resistance you should get with the cap open and closed.... good place to start

Part way down https://www.peugeotforums.com/forums/...-please-18302/ tells how to get to the sensor and to check it, although I thought the resistance should be 150 rather than 300 (from memory somewhere else)
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Old 30-12-11, 05:34 PM   #7
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Quote:
Originally Posted by jmkent View Post
There is a thread on here somewhere that details what resistance you should get with the cap open and closed.... good place to start

Part way down https://www.peugeotforums.com/forums/...-please-18302/ tells how to get to the sensor and to check it, although I thought the resistance should be 150 rather than 300 (from memory somewhere else)
thanks good info
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Old 30-12-11, 05:37 PM   #8
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Here was the link where I read 150 ohms.... https://www.peugeotforums.com/forums/...-sensor-18337/ (albeit for the 407)
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Old 31-12-11, 11:28 AM   #9
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Default fuel cap sensor

ok got the sensor off what happends if i just cut it off and replace it with a read switch ?
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Old 31-12-11, 11:40 AM   #10
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Quote:
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ok got the sensor off what happends if i just cut it off and replace it with a read switch ?
The additive ecu needs to read the resistance off the sensor. Its not a simple on/off.
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