Erratic idling

2011 Vauxhall Meriva 1.7cdti auto
Car: Vauxhall Meriva
Year: 2011
Variant: 1.7cdti auto
Categories: Running Rough, Starting & Power Loss
Just started idling rough rev counter jumps.
If I just tap the accelerator it goes back to normal for about 10 seconds then goes rough and jumpy
Problem added: Nov 29, 2021 (2 years ago)
Lot's of possible causes , could start with the easiest first and try changing the fuel filter and see if that cures the fault . If that doesn't fix it you could try diesel injector cleaner additive to fuel .
Answered Nov 29, 2021 (2 years ago)
Could it be the egr valve
Answered Nov 30, 2021 (2 years ago)

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