Vauxhall Astra
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I have L reg 1.6 astra with same intermittent problems (over revs when it should idle, and then cuts out when pulling away, also smells of rotton eggs, especially on hot days). The front of the exhaust pipe is red hot, but the back is cold !!! (The baffels have collapsed and partly blocked it. I think the build up of fumes must confuse the sensors. I am going to try new exhaust pipe.
I have W reg 1.6 astra with same intermittent problems. Over revs when it should idle at low speeds, and then cuts out when pulling away, especially on hot days, very dangerous. Also smells of rotton eggs. I was also told it was everything from the idler valves to ECUs. But no errors codes were found. Finally a guy spotted something possible ... The front of the exhaust pipe is red hot, but the back is cold !!! (The baffels have collapsed and partly blocked it. I think the build up of fumes must confuse the sensors. I am going to try new exhaust pipe. I need it anyway.
cheers
I have a W reg 1.6 astra. I replaced the £100 idler valve a few weeks ago because lots of people said this was the cause - but it did not fix the problem - I think it was a waste of money. I also took the car to an auto electrician because people said that fault light would log an error on the computer - it did not. I have had the £160 exhaust replaced today because it was blocked - god knows why they did not spot this earlier - I told them it stank of rotten eggs and was rusty. Finally they noticed the front end was hot and the back end was cold, the front baffles had collapsed and partly blocked it. Hope this will fix the problem - but it was always intermittent - so I will have to wait and see. Lots of people have also suggested breather valves and engine computers, all of these seem to be a common problem on Astras our age. The cost is a pain, but I will happily pay it if I can avoid the pain of a serious accident which this fault could so easily cause. Violently over revs one minutes, then cuts out the next not to mention the poison exhaust fumes !
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Thanks
I have a Astra 1.6 W 2000 reg with intermittent fault. The engine revs have a mind of their own on sunny days especially in idle. Over reving on their own. Then stalling when I press the accelerator to pull away from junctions. It is very dangerous to drive when like this. Also if i turn on the air conditioning during idle it causes the engine to stall. Plus sometimes the engine revs go up and down whilst in idle all on the own. Is it haunted ???? Car frives OK at speed, but is a pain to handle in start stop traffic because of intermittent idle problems. Been to garage and auto electrician. They can't find any fault codes. Tried new idler valve and exhaust. But still does fault. Any ideas anyone ???
I have a Astra 1.6 W 2000 reg with intermittement idle problems. The revs go up and down in neutral all on their own. If you then press the accelerator it stalls. Also if you turn the air con on it stalls. Garage and auto electrician can not find and fault codes. I have replaced idler valve and exhaust, but it has not fixed it. Does any one know the solution from experience.
I bought this car for my wife about 5 months ago to take the kids to school etc. It's now very problematic. The car revs too high in the morning. Its giving bursts of speed and juddering like a kangaroo. Its had a full service and am now thinking of looking at the exhaust. I am also thinking of booking it into vauxhall repairs!...Please help.
Drives at speed OK & had MOT + services OK. But in idle the revs go up and down on their own. Is is haunted? It will also stall when pressing accelerator from idle. It will also stall when turning air conditioning on whilst in idle. Also kangaroos is slow traffic. It can do this any time during the journey, but only when it is sunny. Fault is intermittement. I have good and bad days. I have replaced idle valve £100 (a common fault on Astra) + exhaust £170 but it has not fix problem. I don't think anythig was wrong with idler valve but the exhaust was certainly blocked. Exhaust problem cues = bad egg smell which is deadly gas !!! Also exhaust hot at front butcold at back. There are also lots of rumours abour the cause, e.g O2 sensors and ECU. But I want facts. not rumours. Might take it Vauxhall dealer next. But I am worried that the internet is full of storys of Astra owners who spend lots on finding the problem but never fix it.
We took it to the Vauxhall dealer in the end and they have changed the gear selector switch/relay. It is a problem but not a very well known one. This guy obviously knew what he was talking about. Cost £350 though which we couldn't afford but we need the car. Took it to a gearbox specialist in Portsmouth and just got messed around by the jokers so I wouldn'r reccomend thenm pratts. Good luck! it doesn't show on any diagnostics though as by looking at this thread. . .not many do!!!
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