C5 Lx Misfire, Loss Of Power And Strong Vibration, Please Help

[Maiku64]

I have a C5 LX 1749 cc (2001)

 

While driving home late last night, I had to over take up hill. As I got to 50 mph it suddenly started to vibrate violently and become very sluggish on acceleration.

Downhill would accelerate up to 60 mph, but uphill struggled.

With the window open I could hear a very rough engine noise, reminiscent of old single cylinder motorcycles.

This sounds like a misfire to me. Maybe only firing on one cylinder?

As this happened under stress, is it more likely to be mechanical?

 

I would be grateful for any ideas

[mhedwig]

i asume its petrol check plugs and leads and check coil is firing on all cylinders

[paul.h]

Other things include any air leaks, disconnected piping, damaged/softened piping, loose electrical connectors, engine temperature measurement.

[coastline taxis]

coil pack or airflow meter but either way you need to get it plugged in before you can sort this problem out

[Maiku64]

Thank you

 

Unfortunately it is a holiday weekend and so I will have to just use my eyes for today

Hopefully something obvious.

 

Otherwise I will have to wait...

 

Thanks again for the answers, gives my eyes direction.

[qman3428]

Blocked fuel filter?

[Maiku64]

OK found out more

 

No compression in #2 cylinder and hardly any in #3

 

Mechanic says it is terminal

 

Thanks for your replies

[paul.h]

May just be head gasket failure between the 2 cylinders and no other damage. Eurocarparts website shows a complete head gasket set at £165.60 but that seems expensive. The repair cost depends on whether you are able to do the work yourself, if not probably a few £100.