its very lumpy on tick over then seems to be labouring through the revs gets to 4500 and drops out to 4000 and stays there like its hit a limiter. i put ngk plugs in. checked and clead throttle dody all vacume pipes seem ok
cam and crank sensors are new. puzzled the plugs were jet black with...
hi i have a sri vectra only a baby. i bought itcheap with the engine light on. the seller had it on the tech 2 and it came back cam sensor. so i replaced that with a new one and crank sensor just in case. but it still has the same trouble .... wont rev above 4500 really holding back and the...