1991 Ram Promaster 3500 U1171 Fault Code Check

When you check 1991 Ram Promaster 3500 car engine light came on code U1171 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Ram manufacturer may have a different definition for the U1171 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

Another consequence of U1171 1991 1991 Ram Promaster 3500 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.

1991 Ram Promaster 3500 U1171 OBD-II Diagnostic Network (U) Trouble Code Description U1171 SCP (J1850) Invalid or Missing Data for Cellular Phone / Paging System so you have to check ODB-II Fault Code Check list. Reason For 1991 Ram Promaster 3500 U1171 Code The reason of 1991 Ram Promaster 3500 U1171 OBD-II Fault Code Check is U1171 SCP (J1850) Invalid or Missing Data for Cellular Phone / Paging System.

1991 Ram Promaster 3500 U1171 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 U1171 1991 1991 Ram Promaster 3500 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 U1171. Likewise, overriding the OBD U1171 1991 1991 Ram Promaster 3500 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 U1171 mean for 1991 Ram Promaster 3500 ? What does a diagnostic reading U1171 mean for 1991 Ram Promaster 3500 ? How to fix OBD2 Code U1171 for 1991 Ram Promaster 3500 ? What do we know about U1171 code for 1991 Ram Promaster 3500 ?