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7 Αυγ 2017 · Some of the issues you're describing were caused by my EGR Valve that failed. I had rough Idle, loss of power, surging at low cruising speed, misfiring, and stalling when accelerating from a stop.
6 Οκτ 2003 · If any of these symptoms occur, the only way to fix the problem is to replace or completely rebuild the engine. There is no way to guarantee that all of the aluminum flash in the engine would be removed without doing either of these actions.
6 Αυγ 2009 · The 2.7L's started out as a very bad motor when they were introduced for the Intrepid back in 98'. They were badly designed, and had issues with sludge. Many of them in the first few years failed well before 50K miles. They failed violently too, many had thrown rods...
15 Ιαν 2008 · I've read about that problem on the 2.7 engines. Seems that the oil passage is too narrow and the oil cooks up in the passage and gunk starts to collect in there.
27 Οκτ 2009 · 1. Sludge -- Sludge is caused by coolant leaking internally into the engine, from the water pump. The pump begins seeping, and being an internally mounted pump, it goes right into the oil, via the timing chain housing. Over time the coolant mixing with the oil causes the sludge.
17 Φεβ 2007 · There is probably oil in the coolant, which means there is a leak somewhere, water pump, head gasket, etc. Its probably also sludged up, and may need a timing chain and guides. Check out this thread. It is a good option for replacing the engine, and is cheaper and more reliable than getting another 2.7. Dan C.
5 Μαρ 2011 · The only symptom that I can physically detect is a slight hesitation when you punch the throttle. The Actron code reader says that the #1 fix for this is the Oxygen Sensor, followed by replacing the PCM.
