2003 Chevrolet Blazer P3493 Fault Code Check

When you check 2003 Chevrolet Blazer car engine light came on code P3493 the reason should be . However Chevrolet manufacturer may have a different definition for the P3493 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

Another consequence of P3493 2003 2003 Chevrolet 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.

2003 Chevrolet Blazer P3493 OBD-II Diagnostic Powertrain (P) Trouble Code Description P3493 Cylinder 12 Exhaust Valve Control Circuit/Open so you have to check ODB-II Fault Code Check list. Reason For 2003 Chevrolet Blazer P3493 Code The reason of 2003 Chevrolet Blazer P3493 OBD-II Fault Code Check is P3493 Cylinder 12 Exhaust Valve Control Circuit/Open.

2003 Chevrolet Blazer P3493 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.

If your vehicle failed a P3493 2003 2003 Chevrolet Blazer test and the P3493 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses P3493 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look P3493 2003 2003 Chevrolet Blazer: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

What does fault code P3493 mean for 2003 Chevrolet Blazer ? What does a diagnostic reading P3493 mean for 2003 Chevrolet Blazer ? How to fix OBD2 Code P3493 for 2003 Chevrolet Blazer ? What do we know about P3493 code for 2003 Chevrolet Blazer ?