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2013 Chevrolet S10 Blazer U1798 Fault Code Check

When you check 2013 Chevrolet S10 Blazer car engine light came on code U1798 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Chevrolet manufacturer may have a different definition for the U1798 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U1798 2013 2013 Chevrolet S10 Blazer Code Clear

Another consequence of U1798 2013 2013 Chevrolet S10 Blazer 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.

2013 Chevrolet S10 Blazer U1798 OBD-II Diagnostic Network (U) Trouble Code Description

U1798 SCP (J1850) Lack of Acknowledgment for External Access (Doors) so you have to check ODB-II Fault Code Check list.

Reason For 2013 Chevrolet S10 Blazer U1798 Code

The reason of 2013 Chevrolet S10 Blazer U1798 OBD-II Fault Code Check is U1798 SCP (J1850) Lack of Acknowledgment for External Access (Doors).
U1798 Code Reason

2013 Chevrolet S10 Blazer U1798 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.

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the U1798 2013 2013 Chevrolet S10 Blazer code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

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