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1994 Mercury Marquis B1378 Fault Code Check

When you check 1994 Mercury Marquis car engine light came on code B1378 the reason should be . However Mercury manufacturer may have a different definition for the B1378 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B1378 1994 1994 Mercury Marquis Code Clear

Another consequence of B1378 1994 1994 Mercury Marquis 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.

1994 Mercury Marquis B1378 OBD-II Diagnostic Body (B) Trouble Code Description

B1378 Oil Change Lamp Circuit Short To Ground so you have to check ODB-II Fault Code Check list.

Reason For 1994 Mercury Marquis B1378 Code

The reason of 1994 Mercury Marquis B1378 OBD-II Fault Code Check is B1378 Oil Change Lamp Circuit Short To Ground.
B1378 Code Reason

1994 Mercury Marquis B1378 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 B1378 1994 1994 Mercury Marquis 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 B1378. Likewise, overriding the OBD B1378 1994 1994 Mercury Marquis 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 B1378 mean for 1994 Mercury Marquis ?
What does a diagnostic reading B1378 mean for 1994 Mercury Marquis ?
How to fix OBD2 Code B1378 for 1994 Mercury Marquis ?
What do we know about B1378 code for 1994 Mercury Marquis ?