my golf gl is misfiring. Iv put new spark plugs in and the leads are still fairly new, I've changed the dist cap and rotor arm .... what else can I check and change?
In a similar situation we had one misfiring with fault codes logged for multiple misfires. Customer had replaced cap, rotor leads and plugs with new, substituted the coil pack/amplifier assembly.
Turned out to be a failing fuel pump.
hth