Question about Jeep Grand Cherokee
04 Jeep Grand Cherokee starts and runs fine for about 10 minutes then starts smoking around intake exhaust, losing power, and starts pinging and valves starts rattling when accelerating does not sound like a rod more of a rattle than a knock
If it is a 6 cylinder inline then catalyst is plugging up a easy test would be to remove a oxygen sensor and see if power returns to normal. V-8 models have 2 types of manifolds plastic and metal the metal ones have a plate bolted to the bottom which the gasket splits and sucks in engine oil causing all sorts of drive ability issues the plastic versions more trouble free but PCV ventilation system can cause smoking
Posted on Mar 21, 2014
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Posted on Jan 02, 2017
SOURCE: 04 Endeavor rattling noise
I had the same problem! I crawled underneath the car and discovered that a heat shield on the exhaust header pipe was corroded and rattling against the exhaust pipe. (Before the muffler)
I removed the portion and clamps and solved the problem. Give it a try.
Posted on Jul 21, 2008
hi is it miss-firing as it sounds like a knocking noise can be anything but if you can feel it on the accelerater pedal then the noise sounds like its on the inlet valve side which would transfere the noise up the throttle body where the accelerater is located it could be something as simple as a tappet come loose to a burned valve you need to have a look do a compression test and take the rocker cover off see if theres anything come loose yates210456
Posted on Oct 13, 2008
SOURCE: White smoke from Exhaust
hardly likely the exhaust job would cause that, but yes it sounds like you got a blown head gasket. badl lock stricks hmm! also preasure test cylinder head for leaks
Posted on Jul 22, 2009
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