Poor idle after battery change
Hi, I have searched and read a few posts on this, but they are mostly related to diesel engines.
Car: 2002 V40 1.8i Petrol 122bhp
My problem: After returning from a 2 week holiday, someone had tried to break into my V40, and as a result, the alarm flattened the battery. The battery completely died and would not re-charge, so I have replaced it, but now the engine will not idle very well. It stalls after revving, and during idling it raises and drops engine speed.
I have seen posts relating to Idle control valves and others about the ECU resetting due to the battery change, but I am not sure which is applicable to my engine.
Any help will be gratefully received.
Thanks, Richard
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