Citroen C4 engine starts to jitter out of the blue , check engine lamp appears
Variant: 1.6 THP 5GZ
Model Year: 2016
Categories:
Engine & DrivetrainRunning Rough, Starting & Power Loss
Mileage 60k. While driving (random range , random speed and RPM and engine temp) engine starts to jitter. Check engine lamp appears. When ignition is turned off and on again it is possible to drive further without any troubles.
While scanned with diagbox readout problems are:
P1336 (ignition misfire cyl1)
P1337 (ignition misfire cyl2)
P1338 (ignition misfire)
Already changed coils , spark plugs, timing gears/chain/variator. I'm about to change HPFP ... Any ideas? No other errors stored in the car memory
While scanned with diagbox readout problems are:
P1336 (ignition misfire cyl1)
P1337 (ignition misfire cyl2)
P1338 (ignition misfire)
Already changed coils , spark plugs, timing gears/chain/variator. I'm about to change HPFP ... Any ideas? No other errors stored in the car memory
Posted: Dec 23, 2022 (1 year ago)
Check injectors , compressions and for possible slight blow in head gasket
Posted Dec 23, 2022 (1 year ago)
Seems like in fact there must had been something in the injectors as swapping them between cylinders (1,2 to 3,4 and 3,4 to 1,2) likely fixed the issue. Maybe some electrical connections issues were fixed by chance. At least , no replacing injectors was necessary
Posted Jan 22, 2023 (1 year ago)
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