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2000 Holden VX. By harsh start I mean, it seems aggressive. Rarely, a check engine light will come on, and it won't start, but 99% of the time it starts fine, just a bit harsh, like almost a clunk at times. Brand new Bosch starter motor. Then, it revs up to about 2000, stays there for what...

Hi folks, My VX has way too much fuel being injected, as in, there is a spray of unburnt fuel flying out of the exhaust. I have looked on here and am aware of the usual culprits (MAF, IAC, IAT, PCV, o2 sensors, DFI, coils). I have so far replaced the IAC valve (looked gummed up and old and it...

Replacing the head gaskets, when removing one of the lower cylinder head bolts (the one closest to the firewall, right hand side cylinder head when standing in front of the car), coolant came pouring out of the bolt hole. First thoughts, "that's not normal". Could anyone please confirm? I'm...

I've done a lot of work on my car recently, and it was running really well. Done the ignition system - brand new DFI module, coils, leads, spark plugs, injectors. New battery. All new relays. New fuel filter. Now it won't start. No check engine light. Just battery and park brake light. I've...