2007 Audi S3 - P0300   random multiple cylinder misfires

S3 2.0 tfsi Problem
The Problem
Joined: 3 years ago | Profile

Engine management light constantly on. Codes read as followed :
P0300   random multiple cylinder misfires

P0303 cylinder 3 misfire detected

P0304 cylinder 4 misfire detected

P0302 cylinder 2 misfire detected

P0301 cylinder 1 misfire detected.

Car is showing no obvious signs of misfiring. Idling fine, no loss of power ect.
Engine management light can intermittently start to flash on and off ( approx for about 5 seconds), and then go back to solid, when car is DEcellerating from around 90mph and around 4000 rpm.

On audi forums stating poss spark plugs/coil packs, but just need a bit of advice or any other suggestions please. Thanks

Car: Audi S3
Variant: 2.0 tfsi
Year: 2007
Category: Running Rough, Starting & Power Loss
More: Audi S3 Problems
Joined: 8 years ago | Fixes: 1,862 | Profile
Certainly renew the plugs,
But also check the multiplug connection to the coil pack for bad connections in the terminals.
Joined: 10 years ago | Fixes: 12,186 | Profile
Don't know what mileage you have on car , but changing the plugs and coil packs certainly a good idea .
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