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pete
Dodge Dakota
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3/15/2003
09:24:02
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 Subject: 5.2 sputters
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I have a 1998 Dakota with a 5.2 V8. Ever since I got it, it starts to lose power when I accelerate from a dead stop(around 1500 to 2000rpm?). It feels like it is dying out. Sometimes it will actually pop back through the intake. If it starts to die out and I put it to the floor, the truck accelerates great. This usually happens when it is cold. It doesnt happen every time though. I brought it to the dealer in town. He checked the fuel pressure and also checked for codes. Fuel pressure seems right and there were no codes. Could it be the timing chain? The truck has 80,000 miles on it.
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Simpleman96
Dodge Dakota
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3/15/2003
14:38:17
|  RE: 5.2 sputters
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Join the club. I have been fighting this problem for 8 months now along with countless others on this site. I have replaced every sensor on this thing, the fuel pump, coil, plugs, cap, rotor, belly pan gaskets, and much much more, and no fix. I have watched posts on this site for all this time and most everyone who has this problem still has no solution. dealerships have been no help either. They eventually tell you its a choke thing because they dont know how to fix it. I am begining to think it is programed into the PCM to start doing this at some point. I hope you do get a solution, but don't keep your fingers crossed. It will only get worse.
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kenn howard
Dodge Dakota
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3/17/2003
09:24:27
| RE: 5.2 sputters
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I don't think the dealer would tell you it was the a choke problem fuel injected engines do not have chokes !!!!!!
sorry
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prummage
Dodge Dakota
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3/17/2003
11:26:09
|  RE: 5.2 sputters
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Have you had the Powertrain Control Module (PCM) tested or replaced? I too have this problem (missing) for three months and have had almost everything checked except the PCM and the fuel injection rail for dirt/water/etc.
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pete
Dodge Dakota
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3/17/2003
16:50:36
| RE: 5.2 sputters
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I havent had anything done with the PCM. I had the injectors cleaned professionally hoping that would help. That didnt help anything. It seems to me that under a load (like accelerating from a dead stop) the timing isnt getting adjusted enough because it starts pinging. I would adjust the timing by turning the distributor a few degrees but you cant do that on this engine, its all controlled by the computer I have been told.
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chris e
Dodge Dakota
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3/18/2003
08:36:52
| RE: 5.2 sputters
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My 98 5.2 cc sputters and pops too once in a while when it is cold. I cant figure out why either. I did plugs, cap rotor etc.. I may look into the coil. Could be that it is not putting out enough volts. Heard of a person who had backfiring and popping in their car. Turned out to be the coil.
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Neil
Dodge Dakota
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3/18/2003
12:04:06
| RE: 5.2 sputters
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Is the timing also controlled by the computer on my 95 5.2?
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pete
Dodge Dakota
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3/18/2003
16:47:34
| RE: 5.2 sputters
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Let me know if putting a new coil in helps. I havent put a cap and rotor in but it doesnt sound like that helped anyway.
I am not sure if a 95 5.2's timing is controlled by the computer.
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frog
Dodge Dakota
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3/18/2003
17:08:12
|  RE: 5.2 sputters
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I have a 98 5.2 RC with tons of mods, and had the same problem. I was pissed. I just picked up a Splitsec psc03 box and put this inline for my MAP sensor and now I do not have this problem. I am still working on getting it completely tuned in all ranges but the main thing is, it does not buck or sputter or backfire. It is very difficult to tune this piece of equipment, but worth it.
Goto splitsec.com and read up.
Oh by the way. 2 more kills under my belt. New R/T on the freeway this morning got totally smoked. I slowed down and smoked him again. Then the honda prelude thought he would stepup and got spanked just as hard.
Later, FROG
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Simpleman96
Dodge Dakota
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3/18/2003
18:34:28
| RE: 5.2 sputters
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I replaced the coil already, and no fix. I am down to the Crankshaft Position sensor or the IAC motor. The only other thing left is to advance the injector pulse by turning the dist. Other than that Im gona trade it in.
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pete
Dodge Dakota
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3/18/2003
19:58:29
| RE: 5.2 sputters
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Do you mean the PSC1-003? Do you have to buy their software to program it? Would changing the MAP sensor help at all? Is the box hard to hook up?
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FROG
Dodge Dakota
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3/18/2003
23:14:38
| RE: 5.2 sputters
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Yes it is PSC1-003. It is easy to hook up with the schematic in front of you. I made it all look real nice and mounted it, and took about 45min - 1hr. Software is included. You need a laptop or shop PC to load it. I don't think changing the MAP sensor helps. It basically tells you PCM to continuosly change voltages under different driving conditions and with me having a big cam and crazy hi flow heads, big injectors and M1 and so on on on on on my 318, I was able to go into the software and change those voltages to my liking and I have totally noticed the difference in power. I am in my final stages of programming. It is a little hard to understand at first, but when you get walked through the basics, you'll know how it works. I don't have those backfires anymore and it idles way better to. It doesn't lean out at topend either. I make power up into the 5000+ RPM range int 4th gear.
FROG
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Tom D
Dodge Dakota
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4/22/2003
12:06:04
| RE: 5.2 sputters
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FROG, read your post and it seems we are both trying the same thing. I have a 97 Dakota e/c 5.2L auto that i've put MP Magnum R/T heads, KRC210B cam, Holley 50mm TB, MSD-6BTM, Edelbrock headers, magnaflow cat-back exhaust, lowered 2"/3", R/T 17" wheels with perelli scorpion 255/60/17s. I have just put on a powerdyne s/c and really like the performance this 318 has. I have a 2bbl M1 that I havent put on yet. I am constantly looking for ways to up the performance without spending $3K on a FAST system.
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FROG
Dodge Dakota
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4/22/2003
12:20:01
| RE: 5.2 sputters
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Everyone on this board? What gears are you running for your 318's? I have spoke to several people that said when they swapped out their stock 3.55's and went too 4.10's or 4.56's said that they noticed did not seem to happen as much. This seems to be putting the load on the engine during warm up less. This is only what I've heard. I have no problems with backfiring anymore, but that is just me. I did have them in the past without the proper setup.
Later,
Frog
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adam
Dodge Dakota
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4/22/2003
14:45:55
| RE: 5.2 sputters
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my 97 5.2 5spd reg cab 2x4 has 64,000 miles. it always takes 2-3 cranks to start the beast. i have changed the spark plugs, the spark plugs wires, the cap and rotor, and it didnt help a bit. my belly gasket is blown and the M1 is being ordered, could it be that the leaking oil into the cylinders prevents firing right away? thats why i have to crank it a few times for it to start? thanks
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pete
Dodge Dakota
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4/22/2003
21:42:04
|  RE: 5.2 sputters
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My Dakota doesnt have any mods that I know of so shouldn't the truck run fine without getting all this high performance stuff? Just a thought. Maybe I should bring it in and have the Dodge dealership check it out.
I have seen on this site people talking about belly pan gaskets and I looked down the TB on my truck and there is a little bit of some black stuff(oil, maybe?) down there. Is some oily black stuff ok? or is this a good indication of the belly pan gasket leaking? Wouldn't the truck use alot of oil if the gasket was leaking? I would assume this would make the truck ping and sputter because of the gasket leaking, right?
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Gerry
Dodge Dakota
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8/20/2005
10:37:58
| lost spark 1998 dakoda magnum v6
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I have lost all spark on my dodge dakoda 1998, Just driving down the road and the truck just shut off. I was told to check the crankshaft positioning sensor but I am having a little trouble locating it anyone out there know where to find it or maybe have a diagram where to find it? any help would be much appreciated
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gen1dak
Dodge Dakota
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8/20/2005
12:37:06
| RE: 5.2 sputters
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Crank Position Sensor is on the upper part of the engine, passenger side, rear. The plug goes through the transmission bellhousing. Not a lot you can do by simply looking at it, though, except to make sure it's still connected.
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Knifemaker
Dodge Dakota
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8/20/2005
19:12:48
| RE: 5.2 sputters
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I had a 95' 5.2 that would sputter/knock/clang/and bang, but plugs/wires/rotor/and cap cured it. Now have a 98' that has a little tick to it, but still runs fine.
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pete
Dodge Dakota
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8/21/2005
11:18:25
| RE: 5.2 sputters
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I replaced the oxygen sensor and that cured the problem. A mechanic friend of mine said that he had the same problem with a full size Dodge. The customer said it would ping and sputter when the truck was cold or when he went through the car wash.
The mechanic said when the engine is cold on the truck, the oxygen sensor uses a heater on the sensor to make it work faster. Sometimes the signal for the sensor gets mixed with the power for the heater and that tells the computer to give the engine less fuel, thus making the engine ping and sputter.
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pete
Dodge Dakota
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8/21/2005
11:20:40
| RE: 5.2 sputters
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Let me know if this helps.
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