Vz ssz ls1 high iddle. A4

[Vz ssz quicksilver]

My vz ssz ls1 A4 has been runing bad.when u trial the brake pedal it surges forward.And its iddlin chopy.std cam with lots boltons.otr.mailorder tune.oztrak.try extractors.2.5inch.25%underdrive.Its got mace coils red better than std.Plugs.leads.crank sensor.cam sensor.could it b a simple ls1 relearn prcedure.or vacuam leak.any ideas

 

[Jolls]

I would suspect a coil pack/injector - but there is no guarantee from what you have stated.

Best bet is to get the codes read and see what it tells you to give you a head start.

Alternatively pull the leads one by one and see what doesn't change that is your start point.

Cheers

 

["To fly"]

What fuel you running?

Gap in plugs?

 

[Vz ssz quicksilver]

Hi

What fuel you running?

Gap in plugs?

.i always run 98 octane as thats what its tuned on.plugs r new.gap in plugs..i just thought a plug for the ls1 was gapped.??As im a complete novice on cars.good on bikes.