2007 Pontiac Firefly P0377 Fault Code Check

When you check 2007 Pontiac Firefly car engine light came on code P0377 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Pontiac manufacturer may have a different definition for the P0377 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

To solve P0377 2007 2007 Pontiac Firefly 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

2007 Pontiac Firefly P0377 OBD-II Diagnostic Powertrain (P) Trouble Code Description 2007 Pontiac Firefly car P0377 OBD-II Trouble Code The optical sensor provides a high resolution signal to the Powertrain Control Module ( Reason For 2007 Pontiac Firefly P0377 Code The reason of 2007 Pontiac Firefly P0377 OBD-II Fault Code Check is P0377 Timing Reference High Resolution Signal B Too Few Pulses.

2007 Pontiac Firefly P0377 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. P0377 2007 2007 Pontiac Firefly 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 P0377 mean for 2007 Pontiac Firefly ? What does a diagnostic reading P0377 mean for 2007 Pontiac Firefly ? How to fix OBD2 Code P0377 for 2007 Pontiac Firefly ? What do we know about P0377 code for 2007 Pontiac Firefly ?