Question about 1995 Mercedes-Benz C-Class

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1995 c220 petrol backfiring and idling wery slow replaced fuel filter and fuel pump .

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It is probablly either from a sparkplug not firing due to brocken/damaged ignition lead or dirty plug or if has a ditributor it may have dirty points as backfiring is from unburnt fuel going into the hot exhaust. could also be either the fuel pressure regulator or dirty injectors if it's fuel injected. also may be from a faulty air/fuel ratio sensor.

Posted on Mar 14, 2011


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