We have a Vauxhal Astra 1.6 on a r reg with a constant miss fire, we have sent injetor fluid through, changed plugs ,leads, and coil pack ,petrol filter and now at wits end the enginemanagement light is off any ideas
i would do a compression test this will show if you have a sticky valve,cracked piston ring etc if all this is ok check the fuel pressure as the pump or regulator could be faulty also check crank sensor(heat damage to cable!)good luck
mike gillespie
July 2007
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