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2003 Vauxhall Cavalier P1491 Fault Code Check

When you check 2003 Vauxhall Cavalier car engine light came on code P1491 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Vauxhall 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.

P1491 2003 2003 Vauxhall Cavalier Code Clear

P1491 2003 2003 Vauxhall Cavalier engine problem can be occur defective fan clutches are a common and often overlooked cause of engine overheating. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. Eventually slippage reaches the point where effective cooling is no longer possible and overheating results. (On average, the life of a fan clutch is about the same as a water pump. If one needs to be replaced, the other usually does too.)

2003 Vauxhall Cavalier P1491 OBD-II Diagnostic Powertrain (P) Trouble Code Description

2003 Vauxhall Cavalier 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 Vauxhall Cavalier P1491 Code

The reason of 2003 Vauxhall Cavalier P1491 OBD-II Fault Code Check is P1491 Secondary Switch Solenoid Circuit Malfunction.
P1491 Code Reason

2003 Vauxhall Cavalier P1491 Possibble Fix Ways :

If the culprit is a poor fuel pressure regulator, then I suggest looking around for a replacement part and taking your car to your local mechanic for installation. If you're a skilled mechanic, then you should be able to install a new fuel pressure regulator easily. But if you're just starting out, it's always best to have the professionals take care of this job. Believe me, the fuel pressure regulator is not an easy part to install.

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P1491 2003 2003 Vauxhall Cavalier code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.

What does fault code P1491 mean for 2003 Vauxhall Cavalier ?
What does a diagnostic reading P1491 mean for 2003 Vauxhall Cavalier ?
How to fix OBD2 Code P1491 for 2003 Vauxhall Cavalier ?
What do we know about P1491 code for 2003 Vauxhall Cavalier ?