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Post by spannermonkey on Sept 20, 2014 16:05:30 GMT 1
2003 1.6 zetec,today the car started hunting once warmed up and at normal idle and occasionally stalled,upon looking under bonnet i could hear and see the a/c pump clicking and the clutch stopping and starting,this seemed to be the cause as after unplugging the a/c pump the car ran well,what i am unsure of is there a problem with the a/c pump/clutch or is the ecu not altering the revs, although it made no difference if a/c was turned on or off on the dashboard button.
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Post by Karl on Sept 20, 2014 16:47:00 GMT 1
A/c shouldn't make it stall , if compressor is cutting in/out to offen it's normally a sign of too little gas pressure.
Have you checked the inlet manifold t-piece section ? As it's this that normally goes soft
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Post by spannermonkey on Sept 20, 2014 18:00:06 GMT 1
Guy went away with it as it ran fine when pump disconnected and rang me to say it was fine as he ran about in it,was asking the question as i wasn't convinced either that pump was the problem,i still think engine not compensating when pump running,doesn't do it when first started and idling at higher revs only when idle drops
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Deleted
Deleted Member
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Post by Deleted on Sept 20, 2014 20:47:46 GMT 1
You sound like you have about three or four different issues/problems here, the a/c thing is just showing up issues with pcm control
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