My Cavalier 1.6 petrol 78,000 miles, has started to hesitate when accelerating under load especially when going uphill. It acts as if it is misfiring. It also very occasionally runs on when cold, when accelerator pedal is released. Apart from thse problems it runs very well.
Plugs, plug leads and distributor have been checked. It never gives any trouble starting.
It has been suggested that I replace the sensor which fits into the back of the inlet manifold.
Any comments/suggestion would be most welcome.
Thank you.
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