1991 Gmc Yukon Xl 2500 P3493 Fault Code Check
When you check 1991 Gmc Yukon Xl 2500 car engine light came on code P3493 the reason should be . However Gmc 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.
![P3493 1991 1991 Gmc Yukon Xl 2500 Code Clear](http://faultcodecheck.com/images/clear-engine-codes.jpg)
To solve P3493 1991 1991 Gmc Yukon Xl 2500 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
1991 Gmc Yukon Xl 2500 P3493 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP3493 Cylinder 12 Exhaust Valve Control Circuit/Open so you have to check ODB-II Fault Code Check list.Reason For 1991 Gmc Yukon Xl 2500 P3493 CodeThe reason of 1991 Gmc Yukon Xl 2500 P3493 OBD-II Fault Code Check is P3493 Cylinder 12 Exhaust Valve Control Circuit/Open. |
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1991 Gmc Yukon Xl 2500 P3493 Possibble Fix Ways :
The most likely cause of this is that there is no refrigerant left in your system. This could be caused by a leak in your system somewhere, which will have to be fixed before refilling the refrigerant. If you're car-savvy and you own a set of air conditioning gauges, refilling the refrigerant is usually easy to do yourself. However, if you're not so confident, enlist the help of a knowledgeable friend or take a quick trip to the mechanic.
When you turn on the ignition, the Service Engine Soon or Check Engine P3493 1991 1991 Gmc Yukon Xl 2500 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If P3493 1991 1991 Gmc Yukon Xl 2500 so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the P3493!
What does fault code P3493 mean for 1991 Gmc Yukon Xl 2500 ?
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