2000 Dodge Ram 1500 running rough. . . .sometimes.
#811834
09/22/10 03:07 PM
09/22/10 03:07 PM
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Joined: May 2007
Posts: 166 Grandville, Michigan
Dustya440
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Grandville, Michigan
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I’m hoping someone here can help me. I have a 2000 Dodge Ram 1500 pick up, 5.9 auto with 200,000 mi. on it.
Recently it has had a tranny rebuilt and the heads redone. The injectors were also cleaned. It runs like a top most of time. . . . most of time.
Sometimes when I’m driving it, it starts to spit and buck. You can’t accelerate cause it just pops and has no power. If I pull over into a parking lot and put it in neutral and rev the heck out of it finally quits bogging, does a few pops and then acts like nothing ever went wrong. No lights on the dash ever come on.
It started to do this before I have the heads done along with new ox sensors.
Any ideas? It’s getting harder and harder to trust the truck.
1969 Road Runner J Code
1970 Road Runner VOA
1971 Dart Swinger
1971 Cuda Vert
1973 Duster Pro Street
2003 Z06
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: challengermike]
#811839
09/22/10 09:42 PM
09/22/10 09:42 PM
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Joined: Apr 2004
Posts: 535 Marilla, New York
RalleyA12
mopar
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mopar
Joined: Apr 2004
Posts: 535
Marilla, New York
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Quote:
Could be the crank sensor starting to go.
Had that problem with my 2001. Crank sensor fixed it right up.
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: Dustya440]
#811841
09/22/10 11:30 PM
09/22/10 11:30 PM
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Joined: Jul 2003
Posts: 6,167 Maryland
GO_Fish
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master
Joined: Jul 2003
Posts: 6,167
Maryland
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I'd suspect the fuel pump is getting tired. My 5.2 Dak would start missing, usually when 1/4 tank or less. Eventually started missing so badly under load you could not drive it. No warning lights tripped on the dash. Replaced the fuel pump and the problem was gone.
Scott B.
"I'm a self-made man... I started with nothing, and I still have most of it!"
68 360 rusty B'cuda 'vert (GO Fish)13.59@ 98.72 mph
69 340 GTS stock 14.18@ 95.60 mph
01 5.9L Ram 1500 Quad Cab 4x4
01 3.5L 300M 16.23@ 86.97 mph
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: mod381]
#811842
09/23/10 09:24 AM
09/23/10 09:24 AM
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Joined: May 2007
Posts: 166 Grandville, Michigan
Dustya440
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The cat doesn't rattle at all. All the miles on the truck are highway miles. Is there a way to test for a bad cat? Also, the cap/rotor and wires were replaced less than 1,000 miles ago. It was all done when the head were placed. Thanks for the replys so far!!
1969 Road Runner J Code
1970 Road Runner VOA
1971 Dart Swinger
1971 Cuda Vert
1973 Duster Pro Street
2003 Z06
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: GO_Fish]
#811843
09/23/10 09:33 AM
09/23/10 09:33 AM
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Joined: May 2007
Posts: 166 Grandville, Michigan
Dustya440
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Go Fish, Did it run good for a long time and then start to miss and sputter and then clear back up for a long time before doing it again? Also, to all the guys suggesting the crank sensor. I tihnk I'll go ahead and change that. If I recall, they are not that expensive. I hate to keep throwing money into it cause I've already spent so much $ on it. It been a great truck up to this point. Thanks again for the suggestions! Mopars coming through again!
1969 Road Runner J Code
1970 Road Runner VOA
1971 Dart Swinger
1971 Cuda Vert
1973 Duster Pro Street
2003 Z06
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: Dustya440]
#811844
09/23/10 11:15 AM
09/23/10 11:15 AM
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Joined: Jan 2008
Posts: 2,592 None
71rm23
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master
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Dustya440- You said the dash lights didn't come on? I have a '99 Ram, 5.9. I was pulling a car, ran fine. Pulled into a rest area. When I took off, all of the sudden it started doing this, same thing. The check engine light came on and stayed on. Got it nursed back home and hooked up a scanner, yup, the crank sensor. Yeah, they are relatively cheap but a PITA to get too. Just wondering if it is the crank sensor, why the light didn't come on
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: 71rm23]
#811845
09/23/10 11:35 AM
09/23/10 11:35 AM
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Joined: May 2007
Posts: 166 Grandville, Michigan
Dustya440
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Grandville, Michigan
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That's what I was wondering. Why no lights. Once before the check engine did come on and it was scanned. It showed a bad ox sensor. So it was replaced but the truck still does the same thing only no light now.
1969 Road Runner J Code
1970 Road Runner VOA
1971 Dart Swinger
1971 Cuda Vert
1973 Duster Pro Street
2003 Z06
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: 71rm23]
#811846
09/23/10 11:36 AM
09/23/10 11:36 AM
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Joined: Feb 2003
Posts: 2,304 WI
RestoRick
top fuel
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top fuel
Joined: Feb 2003
Posts: 2,304
WI
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I just changed the crank position sensor on my '99 Ram 5.2... The hex part of the 2 fastening bolts is 13mm. What will save you aggravation, is knowing that they also have a 1/4" allen socket in the center of the bolt head. Once you break them loose (I used a 1/4" drive rachet), a regular allen wrench gives you a nice clean access to 'em. There's not enough room for the socket to back them out (at least there was stupid tight clearances ). If they're not too tight, you could probably start out with the allen wrench. The bolts & sensor are on the passenger side bellhousing behind the cylinder head by the trans dipstick tube. Rick
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: Dustya440]
#811847
09/23/10 11:56 AM
09/23/10 11:56 AM
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Joined: Jun 2003
Posts: 21,512 It's a dry heat
gtx6970
Too Many Posts
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Too Many Posts
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Posts: 21,512
It's a dry heat
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Quote:
Just wondering if it is the crank sensor, why the light didn't come on
The light is just warning device. If the subject sensor / circuit stays within it's designed operating parameters. The light will not come on by design. Crank sensors operate in a .5 to 4.5 volt range . IF it goes above or below this voltage scale it's sets a fault and turns on the mil light. It could still have an issue , just not enough to illuminate the mil light.
I personally have never had a crank senser cause a rough idle issue.
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: gtx6970]
#811850
09/23/10 12:15 PM
09/23/10 12:15 PM
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Joined: Jan 2003
Posts: 1,072 Louisville, KY.
Scottmon
super stock
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super stock
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Louisville, KY.
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Yup, generally when the crank sensor goes the motor just quits running. I've had intermittent starting issues with the "cam" sensor in the dist due to heat soak and age, but no rough running. Quote:
Quote:
Just wondering if it is the crank sensor, why the light didn't come on
I personally have never had a crank senser cause a rough idle issue.
Last edited by Scottmon; 09/23/10 12:16 PM.
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: MoparsnMissiles]
#811852
09/23/10 12:24 PM
09/23/10 12:24 PM
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Joined: May 2007
Posts: 166 Grandville, Michigan
Dustya440
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In responce to MoparsnMissiles: Sounds just like what my truck does! I just ordered the sensor. Hopefully, this is the problem.
Last edited by Dustya440; 09/23/10 12:26 PM.
1969 Road Runner J Code
1970 Road Runner VOA
1971 Dart Swinger
1971 Cuda Vert
1973 Duster Pro Street
2003 Z06
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Re: 2000 Dodge Ram 1500 running rough. . . .sometimes.
[Re: Scottmon]
#811853
09/23/10 12:35 PM
09/23/10 12:35 PM
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Joined: Oct 2008
Posts: 116 Midwest
MoparsnMissiles
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Quote:
Yup, generally when the crank sensor goes the motor just quits running.Quote:
Yeah, my manual says that if the PCM does not see an output from the crank sensor within 3 seconds of starting the engine, it shuts the fuel system down. So this case would be a completely dead sensor.
Doesn't say anything about what happens with intermittent output or low output of the sensor.
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