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Originally Posted by ZrByte
Okay im digging up my old thread to see if you guys can diagnose a problem with my dads car. he has a 1999 corsa envoy 1.0 12v. Basicly the problem is this.
It hasnt been used much recently but Ive been taking it out for a short drive a few times a week to keep it ticking over. Today was the first time my Dad has driven the car since he was ill. The car was dead today when we tried to start it, a quick jump from my car and we where all go, decided to take it on the motorway to juice up the battery as we just assumed it had gone flat due to te small amount of use and the short journeys. On our way off the motorway as we approached the lights at the end of the slip road and my dad eased off the gas the car cut out again, we tried to start it again but it was till asif the battery was flat (was sure it would have built up a small charge by then).
We phoned my uncle and got him to come get us and give us a jump start, the car wouldnt have it at all. Everything came back to life on the dash, the starter motor spun when we turned the ignition but the engine just wouldnt fire up.
A bump start was the only thing that worked to get it going but as soon as you take your foot off the gas the car would stall or at the very most would start to turn over very slowly as if it was about to stall (even when it was out of gear or with the clutch fully down).
We couldnt work out what was wrong with it and the odd thing was that in all the time I had driven it for my dad to keep it running it hadnt even done this once. Infact the only thing I noticed before this that could be related is that occasionally the car would vibrate a lot when the engine was idling.
So, any ideas? anything greatly appreciated.
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Change the plugs and give it a service.

Also get the cold idle valve checked out.
A bit of Damp in the Electrics will also cause this.
Hope this helps.