2001 Bmw 750i P1688 Fault Code Check

When you check 2001 Bmw 750i car engine light came on code P1688 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Bmw manufacturer may have a different definition for the P1688 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

Another consequence of P1688 2001 2001 Bmw 750i engine overheating may be a blown head gasket. Heat makes aluminum swell almost three times faster than cast iron. Thermal stress can distort the head and make it swell in areas that are hottest like those between exhaust valves in adjoining cylinders, and areas that have restricted coolant flow like the narrow area that separates the cylinders. The typical aluminum head swells most in the middle, which can crush the head gasket if the head gets too hot. This will usually cause the head gasket to leak compression between adjacent cylinders, or leak coolant into the cylinders.

2001 Bmw 750i P1688 OBD-II Diagnostic Powertrain (P) Trouble Code Description P1688 Metering Oil Pump Stepping Motor Circuit Malfunction so you have to check ODB-II Fault Code Check list. Reason For 2001 Bmw 750i P1688 Code The reason of 2001 Bmw 750i P1688 OBD-II Fault Code Check is P1688 Metering Oil Pump Stepping Motor Circuit Malfunction.

2001 Bmw 750i P1688 Possibble Fix Ways :

Check your choke plate. Is it positioned correctly? Is it still working as it should? Does it open completely? If not, then you either replace it or repair it. If the damage is quite severe, I suggest you put down your repair tools and start looking around for a replacement choke plate to avoid a repeat of this nasty episode.

The rule of P1688 2001 2001 Bmw 750i code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of P1688. Likewise, overriding the OBD P1688 2001 2001 Bmw 750i system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

What does fault code P1688 mean for 2001 Bmw 750i ? What does a diagnostic reading P1688 mean for 2001 Bmw 750i ? How to fix OBD2 Code P1688 for 2001 Bmw 750i ? What do we know about P1688 code for 2001 Bmw 750i ?