Runs ok for 20 miles then misfires

2012 Vauxhall Astra 1,7 cdi
Car: Vauxhall Astra
Year: 2012
Variant: 1,7 cdi
Categories: Running Rough, Starting & Power Loss
starts no problem then 20 miles starts to misfire gradually gets worse, eventually stalls
cracks in exhaust front and rear,
Problem added: Feb 9, 2022 (2 years ago)
colin grant

Points: 1
Exhaust leak can effect the o2 sensors and send wrong info to the ECU . Try changing the fuel filter , check exhaust and cat are not partially plugged
Answered Feb 9, 2022 (2 years ago)
whittingehame

Points: 37,699
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