P1688

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Definition of check engine code P1688:

Chrysler/Dodge/Jeep:

Internal Fuel injection pump controller failure

Citroen/Peugeot:

Metering Oil Pump Stepping Motor Circuit Malfunction

Fiat:

Motorised throttle(2nd idle learn)

Ford:

Metering Oil Pump Stepping Motor Circuit Malfunction

Mercedes:

Metering Oil Pump Stepping Motor Cont. Circuit

Mini:

Electronic throttle control monitor level 2/3 – MAF calculation

Plymouth:

Internal Fuel Injection Pump Controller Failure

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