1993 Chevrolet R20 Suburban P3493 Fault Code Check

When you check 1993 Chevrolet R20 Suburban 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.

To solve P3493 1993 1993 Chevrolet R20 Suburban problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

1993 Chevrolet R20 Suburban 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 1993 Chevrolet R20 Suburban P3493 Code The reason of 1993 Chevrolet R20 Suburban P3493 OBD-II Fault Code Check is P3493 Cylinder 12 Exhaust Valve Control Circuit/Open.

1993 Chevrolet R20 Suburban P3493 Possibble Fix Ways :

The engine relies on the glow plugs to generate heat to help with the combustion cycle. Some engines only use the glow plugs when cold but others will allow the glow plugs to work when the ECU (vehicle's computer) needs them to be on to help with combustion. Problems in this area will cause diesel engine starting problems, uneven running and white smoke when the engine is cold.

The rule of P3493 1993 1993 Chevrolet R20 Suburban 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 P3493. Likewise, overriding the OBD P3493 1993 1993 Chevrolet R20 Suburban 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.

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