2003 Toyota Celica P1491 Fault Code Check
When you check 2003 Toyota Celica car engine light came on code P1491 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Toyota manufacturer may have a different definition for the P1491 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
To solve P1491 2003 2003 Toyota Celica 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
2003 Toyota Celica P1491 OBD-II Diagnostic Powertrain (P) Trouble Code Description2003 Toyota Celica car P1491 OBD-II Trouble Code Secondary Switch Solenoid Circuit Malfunction is one of the definitions for the P1491; however your vehicles manufacturer may have a different definition for the P1491 code. Please check below for you
Reason For 2003 Toyota Celica P1491 CodeThe reason of 2003 Toyota Celica P1491 OBD-II Fault Code Check is P1491 Secondary Switch Solenoid Circuit Malfunction.
2003 Toyota Celica P1491 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.
There are currently two main types of cylinder deactivation used today, depending on the type of engine. P1491 2003 2003 Toyota Celica code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.
What does fault code P1491 mean for 2003 Toyota Celica ?