#1: Map sensor Author: SteveTDCi, Location: StamfordPosted: Tue Feb 21, 2012 11:56 am ---- What are the symptoms of a failing map sensor, the 206 still smells like its running a little rich. It could just be me thinking it smells though... It's a 1.4 8v none plex and I've changed the plugs to Bosch, pug air filter, the coolant temp sensor and the thermostat, all I can think of now is the map. I'm tempted to get a used one or cheap one from eBay, there is no miss fire and the plugs didn't look a bad colour
#2: Re: Map sensor Author: MrBSI, Location: What's it to you? ? ?Posted: Tue Feb 21, 2012 12:00 pm ---- Try & get an exhaust emissions test done on it & see what the readings are, for example it could be lambda sensor on its way out but not gone out of spec enough to throw up a fault code.
#3: Re: Map sensor Author: Liam-HuTcH, Location: PeterboroughPosted: Tue Feb 21, 2012 12:00 pm ---- ive got a spare map sensor mate. and im only down the road?
#4: Re: Map sensor Author: SteveTDCi, Location: StamfordPosted: Tue Feb 21, 2012 12:47 pm ---- Liam - thanks for the offer, I'll go for the lambda sensor first, well emissions and take it from there, mpg is 35mpg at the minute.
#5: Re: Map sensor Author: SteveTDCi, Location: StamfordPosted: Tue Feb 21, 2012 12:58 pm ---- On the 99 model is there one or two sensors ? I could go and look but the wife has the car I'm sure it's just a pre cat sensor .......
#6: Re: Map sensor Author: Liam-HuTcH, Location: PeterboroughPosted: Tue Feb 21, 2012 1:16 pm ---- 35mpg is good on a 99plate 1.4 8v iirc
#7: Re: Map sensor Author: MrBSI, Location: What's it to you? ? ?Posted: Tue Feb 21, 2012 1:22 pm ----
SteveTDCi wrote:
mpg is 35mpg at the minute.
My Euro 4 TU3 is running 31.4mpg average at moment, thats due to the operator
#8: Re: Map sensor Author: SteveTDCi, Location: StamfordPosted: Tue Feb 21, 2012 1:31 pm ---- ah bugger, my old polo would crack 40mpg on the same trip the Cupra (300bhp) averages 28mpg and the TT 29 ..... maybe its my imagination about the fuel
#9: Re: Map sensor Author: kandlbarrett, Location: SwindonPosted: Tue Feb 21, 2012 4:26 pm ---- This makes me happy. I was beginning to think it was time to start fault finding my daughters 1.4 8V. It runs sweet as a nut but only does 29mpg on short daily 5 mile runs.
Are these really this poor - she is not a fast driver.
Note: car fully serviced with new filters, plugs, oils etc. 1,000 miles ago and only 50,000 on the clock.
#10: Re: Map sensor Author: SteveTDCi, Location: StamfordPosted: Tue Feb 21, 2012 4:30 pm ---- My daily run is 14 miles each way, 2 miles at 30mph, 8 at 70 mph then the remainder at 40/30 the polo was really good. That 35 was calculated with a blowing exhaust, open thermostat and old plugs and filter. Let's see if I can get it to 40 mpg
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I'm sure it's just a pre cat sensor .......
