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2011 Pontiac Trans Sport P1491 Fault Code Check

When you check 2011 Pontiac Trans Sport car engine light came on code P1491 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Pontiac 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 2011 2011 Pontiac Trans Sport Code Clear

Do you have fresh, clean fuel in the tank? If it's empty, fill it up and go! If it's full, check P1491 2011 2011 Pontiac Trans Sport that the fuel shut-off valve is open and that it is clean. Stale fuel, dirt and debris are the most common cause of outdoor power equipment not starting properly. If you store equipment with untreated gas in the tank, it can lead to engine damage.

2011 Pontiac Trans Sport P1491 OBD-II Diagnostic Powertrain (P) Trouble Code Description

2011 Pontiac Trans Sport 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 2011 Pontiac Trans Sport P1491 Code

The reason of 2011 Pontiac Trans Sport P1491 OBD-II Fault Code Check is P1491 Secondary Switch Solenoid Circuit Malfunction.
P1491 Code Reason


2011 Pontiac Trans Sport P1491 Possibble Fix Ways :

When you spot grave damage, replace, replace, replace! Otherwise, if it's just a matter of grime buildup or dirty plugs, simply clean these components. If your wires are tangled, prevent arcing and damage caused by friction by using a spark plug wire loom or divider on your car. It basically organizes your wires and offer better insulation. In short, it keeps your wires organized, making it easier to access your spark plug wires for inspection and/or installation.

OBD P1491 2011 2011 Pontiac Trans Sport code and tailpipe testing are two different approaches to identify vehicles in need of repair. The OBD system looks for broken or malfunctioning emissions control components and P1491, while tailpipe tests sample a vehicle's exhaust to see if it is above or below certain prescribed limits. Given the robust nature of today's emissions control components, it is entirely possible for an individual component to P1491 2011 2011 Pontiac Trans Sport malfunction without leading to an immediate increase in emissions at the tailpipe. In such cases, other components (like the catalyst) can temporarily compensate for the part that is broken however, these other components can only do double duty for so long before they, too, begin to malfunction. In addition, OBD also monitors for P1491 2011 2011 Pontiac Trans Sport and other malfunctions in the fuel system problems that traditional tailpipe tests were not designed to identify. Most state and local areas also include a gas cap pressure test as part of an emission inspection.

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