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2001 Chevrolet C20 Suburban P1404 Fault Code Check

When you check 2001 Chevrolet C20 Suburban car engine light came on code P1404 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Chevrolet manufacturer may have a different definition for the P1404 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1404 2001 2001 Chevrolet C20 Suburban Code Clear

Another consequence of P1404 2001 2001 Chevrolet C20 Suburban 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 C20 Suburban P1404 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1404 EGR Position Sensor Rationality Closed so you have to check ODB-II Fault Code Check list.

Reason For 2001 Chevrolet C20 Suburban P1404 Code

The reason of 2001 Chevrolet C20 Suburban P1404 OBD-II Fault Code Check is P1404 EGR Position Sensor Rationality Closed.
P1404 Code Reason

2001 Chevrolet C20 Suburban P1404 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 P1404 2001 2001 Chevrolet C20 Suburban 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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