Post #1
My Rallye keeps cutting out if I let the revs drop to idle. This is intermittent but quite frequent, doesn't seem to make a difference weather the engine is hot or cold and it has happend both when the clutch is in, and with the clutch out. Sometimes it can be at idle for 10-20 seconds before cutting out, and sometimes it does it straight away with no warning for example when changing down into 1st ready to pull out of a junction. It's becoming very anoying in traffic or at junctions when you try and pull out. It can happen several times in the same que of traffic or not at all. Other than this the car appears to be fine, running smothly and pulling strongly etc. When it doesnt stall the idle is usually spot on 900rpm but sometimes rises a little to 1200rpm (this only happens when doing monouveres such as 3 point turns as it takes the revs a little while to settle)
Done a search and its brought up lots of different things, seems to be a common fault and some people unfortunatly seem unable to cure it.
So far from searching, the culprits seem to be:
PAS sensor (unplug to fix?)
Lambda
Map
02
Inlet pipe to ICV, ICV (stepper)
Idle control valve
Throttle position sensor
Coil packs
Clean inlet manifold
vacuum leaks
Just wondering where to start, which are easiest to check and any advice on how to sort the problem. If theres anything I can check and clean for free first then its the best place to start before expensive garage bills start.
Theres no pattern to when it cuts out and its intermittent and unpredictable so i'm stuck.
Any help appreciated,
Cheers!
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white rallye