Peugeot 307SW Anti Pollution Fault

Peugeot 307SW Anti Pollution Fault

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Simlfc

Original Poster:

12 posts

73 months

Wednesday 23rd January 2019
quotequote all
This morning (-4 degrees), I set off to work at 5am. For the first time ever I had the fan on full hot from startup, to demist the windscreen. I drove to the petrol station 2 minutes away and filled the tank up (60litres). Everything was normal.

Immediately after leaving the garage the EM light came on and 'Anti-Pollution' fault came up on the dash. It was very lumpy and struggled to go over 20mph for approx 1 mile. I drove it home and left it idling and there was knocks and it sounded terrible so I turned the ignition off. I then turned it back on and it started fine - albeit with the EM light still on. No knocks, no bangs and drove 30 miles to work with normal power. When I got to work the EM light had gone off.


Its a 1.6 petrol and ive never had any issues with the engine. Could this just be a one off or could I have a major issue upcoming?

Many thanks in advance!

E-bmw

9,199 posts

152 months

Wednesday 23rd January 2019
quotequote all
Could be a few things.

An intermittent fault on a sensor etc. somewhere - get it attached to diagnosis equipment to see if there are any codes left to give you a clue.

Loose plug on something - ditto as per above

A bit of cr@p etc in fuel which has now gone.

paintman

7,683 posts

190 months

Wednesday 23rd January 2019
quotequote all
'Anti pollution' on these covers a multitude of things.
Really needs codes to be read to see if that narrows it down.

We had 2, a 1.6 petrol & a 2.0 petrol.
The 2.0 was a stopgap cheapie purchase for my youngest when his 306 expired. We had two episodes similar to your description & the diagnostic was 'multiple misfire random cylinder'.
We have a very good Peugeot specialist indy literally round the corner & the answer was new coil pack & plugs but don't use the cheapie coil packs.
Problem cured for around 18 months then recurred. Same display, same code - on my own reader - same cure.
2 years later similar problem plus cutting out at idle & running very rough. Coil pack & plugs no change.
Code read by garage & advice that thye would have replaced what i'd replaced but as I hadn't cured it in their experience it pointed to an engine management ECU.
Not worth throwing money at a car that's probably worth £500 tops so off to the scrappie.


Edited by paintman on Wednesday 23 January 09:22