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Engine hesitates, stumbles, pops on acceleration

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Old 09-08-2010, 11:13 AM
Maverick17s Maverick17s is offline
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Default Engine hesitates, stumbles, pops on acceleration

Ok, 2001 Ram 1500 5.9 liter 105k miles. It idles fine, I can coast at speed just fine it only happens when I'm accelerating. Engine stumbles so bad it shakes my whole truck. Press the accelerator to the floor and it pops a few times, but it still stumbles. I get above 60 and it acts fine. Seems like I'm down on power alot when accelerating though.

I've been reading these forums for days, found some good info but nothing exactly like my problem. Any help would be great before I drop some money on a mechanic to look at it.
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Old 09-08-2010, 11:43 AM
ferguson30 ferguson30 is offline
Join Date: Jun 2010
Vehicle: 2001 1500 4x4 5.9L
Location: Illinois
Posts: 77

The first thing I'd check is fuel pressure. You can either buy a gauge to check on the fuel rail, or take it to the mechanic to check. Had that same problem & symptoms with my last ram when the pump started going south.
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Old 09-08-2010, 11:50 AM
donizer donizer is offline
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Vehicle: 1998 dodge 1500
Location: cny
Posts: 78

check engine light come on? Sounds like what mine was doing when i lost half a plug on number 8
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Old 09-08-2010, 12:03 PM
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hain84 hain84 is offline
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Vehicle: 2005 Ram 1500 Quad Cab 4x4 4.7l
Location: Mendon, Il
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I just went through this with my 05 ram. Seems real similar to what mine was doing. Check your U joints. My rear one was bad and caused the similar problems. Caught mine early before i lost my driveshaft.
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Old 09-08-2010, 05:30 PM
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zman17 zman17 is offline
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Vehicle: 2000 2500HD 4x4 5.9
Location: NH
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Unscrew the pre cat o2 sensor and take it for a quick ride and see if anything changes. And check the codes. Even if there is no CEL.
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Old 09-08-2010, 05:34 PM
dodgeboy1979 dodgeboy1979 is offline
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Vehicle: 1998 Ram 1500, 5.9 litre. 2002 Ram 1500 QC 5.9 litre
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Plugged Cat? +1 on the o2 sensor.

1998 Ram 1500 w/ 360 Air Raid intake, Flow Master exhaust, Superchips, 31" x 10.5" rubber on Eagle Alloys, 5.9L Engine Club #32
2002 Ram 1500 QC w/ 360 K&N CAI, Flowmaster 50 series, SC 3865
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Old 09-08-2010, 08:12 PM
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jdurling jdurling is offline
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Vehicle: 1999 Dodge Ram 1500
Location: Woodstock, NB
Posts: 22

Sounds like what was wrong with my 99. I changed the #1 oxygen sensor and it has run perfect every since. If you have a decent scan tool, you can do a scan of all your sensors at first start up. When cold it showed the sensor as not working but after the O2 sensor heats up it fools the computer into thinking it is working and doesn't throw an engine light. The auto parts guy told me that dodges are horrible for becoming undrivable because of O2 sensors being bad. Hope this helps.
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Old 09-08-2010, 08:18 PM
mountainmanejz mountainmanejz is offline
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Join Date: Sep 2010
Vehicle: 1994 Dodge Ram 1500
Location: Virginia, in the mountains
Posts: 2
Default Have the same problem

94 Ram 1500, 318 (5.2) only mine runs fine in the begining, but as it warms up it does the same missing, coughing, put the pedal down and it just bogs down. It also seems to do it more when it's in overdrive.
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Old 09-08-2010, 08:25 PM
Maverick17s Maverick17s is offline
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Already changed the plugs, didn't fix nothing. U joints are good. How do you get the O2 Sensor off. I don't have scan tool. I found a wire broken that goes through the firewall directly above the distributor cap, it goes to a canister on the drivers side beneath the front of the battery.
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Old 09-08-2010, 08:56 PM
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dhvaughan dhvaughan is offline
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Vehicle: 01 1500 4wd
Location: Gainesville, Ga.
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gizmo under the battery is cruise control.

unplug o2 sensor connection on top of the trans. you might have to cut the plastic anchor in order to get ahold of the plug. then unscrew sensor with big wrench. be gentle with o2.

i'd check fuel pressure.
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