1991 Volkswagen Passat P0121 Fault Code Check

When you check 1991 Volkswagen Passat car engine light came on code P0121 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Volkswagen manufacturer may have a different definition for the P0121 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

To solve P0121 1991 1991 Volkswagen Passat 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 Volkswagen Passat P0121 OBD-II Diagnostic Powertrain (P) Trouble Code Description 1991 Volkswagen Passat car P0121 OBD-II Trouble Code The throttle position sensor ( Reason For 1991 Volkswagen Passat P0121 Code The reason of 1991 Volkswagen Passat P0121 OBD-II Fault Code Check is P0121 Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance.

1991 Volkswagen Passat P0121 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 P0121 1991 1991 Volkswagen Passat 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 P0121 1991 1991 Volkswagen Passat 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 P0121!

What does fault code P0121 mean for 1991 Volkswagen Passat ? What does a diagnostic reading P0121 mean for 1991 Volkswagen Passat ? How to fix OBD2 Code P0121 for 1991 Volkswagen Passat ? What do we know about P0121 code for 1991 Volkswagen Passat ?