306 hdi Extra Laggy

[Mr Whippy]

Wonkey you say your map doesnt use the maf? how so?

Does anyone know if there is any problems with running without the maf plugged in permanently

There is a map the car uses to 'simulate' the MAF reading when the MAF isn't present.

So the car should still run ok... you could also tune that other map in theory too, but it's all getting a bit silly by that point. The MAF is there for a good reason. Just because you can bodge it to work without one doesn't make it good, it just means it's bodged
It'll either run less rich than needed at times, or richer than needed, so either costing you power or costing you wasted fuel and smoke. If it was a perfect compromise then Pug wouldn't have bothered with a MAF to start with hehe.


Chances are with so many hundreds of thousands (or millions even?) of these engines around in the UK now you will probably find an ok one in a scrappers. Just make sure you don't pay over £10 unless you get the chance to check it or return it if not happy etc!

I know cars with working original mafs at 150k miles, so they can last. I think most failures are random so a 50k mile 307 HDi or Xsara with one in might last you years

Dave