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2007 Rover 25 P3439 Fault Code Check

When you check 2007 Rover 25 car engine light came on code P3439 the reason should be . However Rover manufacturer may have a different definition for the P3439 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3439 2007 2007 Rover 25 Code Clear

To solve P3439 2007 2007 Rover 25 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 Rover 25 P3439 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3439 Cylinder 5 Exhaust Valve Control Circuit Low so you have to check ODB-II Fault Code Check list.

Reason For 2007 Rover 25 P3439 Code

The reason of 2007 Rover 25 P3439 OBD-II Fault Code Check is P3439 Cylinder 5 Exhaust Valve Control Circuit Low.
P3439 Code Reason


2007 Rover 25 P3439 Possibble Fix Ways :

The engine relies on the glow plugs to generate heat to help with the combustion cycle. Some engines only use the glow plugs when cold but others will allow the glow plugs to work when the ECU (vehicle's computer) needs them to be on to help with combustion. Problems in this area will cause diesel engine starting problems, uneven running and white smoke when the engine is cold.

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P3439 2007 2007 Rover 25 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

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