Vauxhall Insignia Intake Manifold Problems

Problems mentioning the Intake Manifold on the Vauxhall Insignia
Pinking

Insignia 1.8 petrol has serious pinking, comes in at around 1500rpm, tickover is usually ok but the occasional blip and it is a little down on power. Car has 53000 on the clock, timing is fine and I have changed the coil pack, no fault cod...

2010 1.8 petrol
Posted: Jun 27, 2015
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EGR valve flow

Engine management light goes on and then off reporting EGR flow, can stay on for a minute or several days and only persistent in hot weather. EGR valve replaced and link pipe cleaned which solved the issue for a few weeks. could it be an ai...

2016 1.6 SRI TDI Estate
Posted: Aug 30, 2023
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Insufficient flow??

Egr valve caused management light to come on, had diagnostics check and outcome was insufficient flow, this has happened twice now, EGR replaced again, management light stayed off for 70 miles then came back on, this is now becoming somewha...

2018 2ltr D turbo
Posted: Sep 29, 2023
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What problems can be caused by a faulty Intake Manifold?