Coolant leak and loss of power

2010 Vauxhall Insignia Problem

The Problem

Avatar John7777
Joined: 5 months ago | Profile

Hi I've had a small coolant leak for a while and today my car has been loosing power with my foot to the floor I couldn't get to over 40 miles per hour any help gratefully received

Car Vauxhall Insignia
Variant 2.0 ecoflex
Model Year 2010
Category Running Rough, Starting & Power Loss

All Vauxhall Insignia Problems


Avatar whittingehame
Joined: 9 years ago | Fixes: 12,011 | Profile

Suggest you find where coolant leak is firstly by carrying out a pressure test on cooling system .If that doesn't show leak , a block test will confirm or not whether head / gasket is leaking .


Avatar Vauxhall Driver
Joined: 5 months ago | Fixes: 2 | Profile

I had a water leak issue which turned out to be the EGR cover on the front of the engine. They are made from a brittle plastic, a bit like bakelite and have a tendency to crack on older cars.
As for the power loss, check the top of the lower intercooler hose ( the side nearest to the engine near the top ). These have a tendency to split and will cause power failure particularly when the engine is under load.

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