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Slugish Fiesta 1100 Nreg.


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#1 Micheal

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Posted 22 March 2008 - 10:10 PM

Hi, this is my first thread so hi to all and I hope maybe someone can help.
We have an N reg 1100 Fiesta and it has become slugish and last week was strugling to get past 50 MPH.

Today we checked the exhast because when it was MOTed a couple of mounths ago the mOT guy said that it felt like the exhaust may have a blockage. We had all three parts off and all seemed clear and the cats did not seem to be melted.

We checked the ignition and it is set before TDC and advances when the engine is reveved.

The car also over revs when you stop at a juntion or after it is reved up. We have been looking for an air leak in the vacum lines because to me it is as though it is sucking in extra air from somewhere.

We clamped the vac line from the t piece on the side of the carb to the purge tank and this seemed to improve the performace. There is an electrical valve in this line, could this be faulty?

I hope some one has some ideas

Micheal.

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#2 Steve

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Posted 25 March 2008 - 09:16 PM

hi

if it was sucking too much air then the car would probably stall, especially if it is after the air intake sensor.

however the sensor could be dirty and need cleaning with a special alchohol (cant remember the name)

Thats if it has a sensor.. I am unsure of this model.

#3 fiestaboy

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Posted 27 March 2008 - 08:55 PM

hey mate was just reading your question and a while ago ma fiesta did tha. my breather pipe/vacume pipe was blocked up and had no room to breathe and kept stalling and being sluggish if i was you i would get that checked. i didnt at first and it pushed it all in to my airbox.


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