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KaiserKruiser

Astra 2012: Engine problems and possible intake system leakage

Shaking while idling

Unsteady engine

Loss of engine power

Jerking on acceleration

Check engine light on

Loud hissing on acceleration

Hey guys, I'm having a bit of trouble with my 2012 Opel Astra (gasoline engine, 177562 km run). The car is showing some strange symptoms - check engine light on, loss of power, rough engine, jerking when accelerating, loud hissing when accelerating and vibrations at idle. Last time I had a real washout at the mechanic, so I want to find out first. I think it could be a leak in the intake system. Has anyone ever experienced something similar and can tell me what to expect from the repair? I appreciate any help!

(Translated from German)

7 comment(s)


KH_Braun88

Hey, I once had a similar problem with my 2010 Opel Corsa. It also started to jerk and was quite unstable at idle. In my case, it was actually the intake hose that was leaking. The mechanic had to replace the hose and reseal the system. After that, the car ran like new again. So it wasn't a minor fault, but fortunately nothing that couldn't have been repaired. Above all, the hissing when accelerating and the vibrations when idling were gone. So go to the mechanic and have it checked, it could well be that. Take it easy!

(Translated from German)

KaiserKruiser (Author)

Hey, thanks for your quick reply! Do you remember roughly how much you paid for the repair and whether you've had any more trouble with the same problems since then? Thanks again and have a great time!

(Translated from German)

KH_Braun88

Hey, no problem! The cost of the repair was around €100 - they replaced the leaking intake hose and sealed the intake system. Since I've been to the mechanic, my Opel has been running like new again and the previous problems, especially the leak in the intake system, have disappeared. So, don't worry, you'll get it sorted! Until then, go for it!

(Translated from German)

KaiserKruiser (Author)

Wow, that doesn't sound so bad! So I'm going to see a mechanic soon to have my Opel checked out. You've really helped me a lot. Thank you for your information and your time! Well then, take care and see you next time you have a problem!

(Translated from German)

Blitzi

Hi, I had a similar problem - a vacuum hose had come off...after a short search the problem was solved and my Astra was running again without any problems. Just open the hood and check that everything is in the right place...a marten may also have bitten into something...you can usually recognize this on closer inspection... MfG

(Translated from German)

Tinkiwinky

Same fault Cause cannot be found. Turbo and vacuum hoses are OK. Mass air flow sensor and intake pressure sensor have been replaced. Under load, but not when stationary, you can hear that it seems to draw or blow out air. If you disconnect the EGR connection, it runs at least 190kmh. I then replaced the entire EGR unit as a test, without success. Independent and Opel workshop find nothing. Does anyone else have any ideas?

(Translated from German)

CarlyMechanic

@Tinkiwinky

Same fault Cause cannot be found. Turbo and vacuum hoses are OK. Mass air flow sensor and intake pressure sensor have been replaced. Under load, but not when stationary, you can hear that it seems to draw or blow out air. If you disconnect the EGR connection, it runs at least 190kmh. I then replaced the entire EGR unit as a test, without success. Independent and Opel workshop find nothing. Does anyone else have any ideas?

It sounds like you've already done a lot of troubleshooting. If the issue persists, it could be a problem with the fuel injectors or the fuel pump. These components can cause similar symptoms when they're not working properly. I'd recommend having these checked next. Please keep us updated on your progress. Do you have any other questions?

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