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2001 Chevrolet Express 2500 P1173 Fault Code Check

When you check 2001 Chevrolet Express 2500 car engine light came on code P1173 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Chevrolet manufacturer may have a different definition for the P1173 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1173 2001 2001 Chevrolet Express 2500 Code Clear

Another consequence of P1173 2001 2001 Chevrolet Express 2500 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 Chevrolet Express 2500 P1173 OBD-II Diagnostic Powertrain (P) Trouble Code Description

2001 Chevrolet Express 2500 car P1173 OBD-II Trouble Code Rotor Calibration Fault is one of the definitions for the P1173; however your vehicles manufacturer may have a different definition for the P1173 code. Please check below for your specific make.

Reason For 2001 Chevrolet Express 2500 P1173 Code

The reason of 2001 Chevrolet Express 2500 P1173 OBD-II Fault Code Check is P1173 Rotor Calibration Fault.
P1173 Code Reason

2001 Chevrolet Express 2500 P1173 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 P1173 2001 2001 Chevrolet Express 2500 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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