One problem related to gas recirculation valve (egr valve) has been reported for the 2004 Porsche 911. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Porsche 911 based on all problems reported for the 2004 911.
The m96 motor supplied with this vehicle line has had the following problems. Engine block leaks the block is porous. Resleeved cylinders were maker fix ,the sleeves moved causing engine destruction. A main crankshaft bearing was designed out. Allowing the crankshaft to move frt to back and with gravity causing a failure of the rear main seal could not fix if crank had moved more than a few degrees from orig spec. Primary problem ims( intermediate shaft) failure. Result, complete destruction of motor. No fix from manufacture. After market only supply. Over ten thousand after market repairs done. Conservative apx cost $,3000 I have much more evidence.
| Engine Cooling System problems | |
| Engine Grinding Noise problems | |
| Gas Recirculation Valve (egr Valve) problems | |
| Engine Oil Leaking problems | |
| Engine And Engine Cooling problems |