2001 Bmw 325d P1491 Fault Code Check

When you check 2001 Bmw 325d car engine light came on code P1491 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Bmw manufacturer may have a different definition for the P1491 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

Another consequence of P1491 2001 2001 Bmw 325d 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 325d P1491 OBD-II Diagnostic Powertrain (P) Trouble Code Description 2001 Bmw 325d car P1491 OBD-II Trouble Code Secondary Switch Solenoid Circuit Malfunction is one of the definitions for the P1491; however your vehicles manufacturer may have a different definition for the P1491 code. Please check below for you Reason For 2001 Bmw 325d P1491 Code The reason of 2001 Bmw 325d P1491 OBD-II Fault Code Check is P1491 Secondary Switch Solenoid Circuit Malfunction.

2001 Bmw 325d P1491 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 P1491 2001 2001 Bmw 325d 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 P1491. Likewise, overriding the OBD P1491 2001 2001 Bmw 325d 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 P1491 mean for 2001 Bmw 325d ? What does a diagnostic reading P1491 mean for 2001 Bmw 325d ? How to fix OBD2 Code P1491 for 2001 Bmw 325d ? What do we know about P1491 code for 2001 Bmw 325d ?