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Re: hesitation when pressing gas pedal
Fuelling is controlled by the O2 sensors while in closed loop, i.e. idle, cruise and low load acceleration. Stoichiometric AFR (14.7) is maintained to let the catalytic converters do their job, but are too lean under higher loads. This done by fixed maps and the O2 information is ignored.
Fix the MAF or get a correct replacement.
Tapani
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