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Unformatted text preview: the cylinder head: If the AAN G62 coolant temperature sender is broken, the AAN ECU may "think" its cold out all the time, leading to higher duty cycles on the injectors and, therefore, rich runnng conditions (which, by the way, can burn out the catalytic convertors) and poor fuel economy. Part No. is 035 919 369 M (KATE calls it a thermal switch - No. 9 Illustration 919-65 (A10Q, 1993)) The MFTS (F76 Electro thermoswitch) on the AAN is located somewhat as shown below (only more horizontal):...
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- Spring '09
- Internal combustion engine, Engine control unit, coolant temperature, AAN ECU, ECU coolant temperature