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#1
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2004 Jeep GC 4X4 stalls on city road
I was in stop-and-go traffic and the Jeep engine simply turned off. I
shifted the gear into Park and turned the key a few times. The alternator would rotate, however, the engine would not start. I waited for 15 seconds and turned the key and this time the engine started. Otherwise, the Jeep runs great. Any insights? Should I take the Jeep to the dealer? The Jeep has about 8000 miles on it. Thank yo |
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#2
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Which engine?
uniskae wrote: > I was in stop-and-go traffic and the Jeep engine simply turned off. I > shifted the gear into Park and turned the key a few times. The > alternator would rotate, however, the engine would not start. I waited > for 15 seconds and turned the key and this time the engine started. > Otherwise, the Jeep runs great. Any insights? Should I take the Jeep to > the dealer? The Jeep has about 8000 miles on it. Thank yo > -- Jerry Bransford PP-ASEL N6TAY See the Geezer Jeep at http://members.cox.net/jerrypb/ |
#3
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>From the Window sticker:
The Engine is 4.0L Power Tech I-6. Transmission 4 speed Automatic 42RE. Select-Trac Full time 4WD system. Also, the optional Quadra-Trac II On Demand 4WD System. V6 195 HP (I believe) |
#4
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"> The Engine is 4.0L Power Tech I-6. Transmission 4 speed Automatic 42RE. > V6 195 HP (I believe) Uhmm just so ya know when your talking about your jeep, the 4.0 is a straight 6 not a V6. no biggy but it does make a difference. Snow... |
#5
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Based on it being the 4.0L engine, it could be the crankshaft position
sensor. This is a small $70 or so sensor that picks up pulses off the flywheel, which provides the master timing signal for the entire engine. They are known to fail, enough so that I carry a spare... even though mine hasn't failed in 144K miles. While it's not difficult to change, it is a bit of a job for a contortionist since it is up high on the driver's side of the bell housing. A check of your diagnostic codes by turning the ignition key on-off-on three times within five seconds and leaving the key on will cause any stored diagnostic codes to appear in your odometer in 3-5 seconds (wait for them). If you see a 320, 1391, or a 1398 code, that definitely indicates the CPS (or possibly the camshaft position sensor) has had recent problems. Jerry uniskae wrote: >>From the Window sticker: > > The Engine is 4.0L Power Tech I-6. Transmission 4 speed Automatic 42RE. > > Select-Trac Full time 4WD system. Also, the optional Quadra-Trac II On > Demand 4WD System. > > V6 195 HP (I believe) > -- Jerry Bransford PP-ASEL N6TAY See the Geezer Jeep at http://members.cox.net/jerrypb/ |
#6
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Thanks for all the insightful responses folks! Just a follow up: the Jeep has never stalled since I posted this problem. After a highway drive, the RPM is less than 500 in stop-and-go traffic, which is believe is low. And, after a highway drive, when I have to idle, it seems the engine will stall any moment. I sense that the engine will stall some time, however, hopefully, not in a busy and fast-traffic scenario. This is a great newsgroup with a lot of knowledgable people providing valuable input. I will volunteer my expertise, though, due to my Jeep-ignorance, probably not in this group. Keep it up folks! |
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