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1998 dodge ram 1500 stalls out

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  #1  
Old 09-21-2009, 06:37 PM
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Question 1998 dodge ram 1500 stalls out

First question here. Driving a 1998 ram 1500 two wheel drive with the 318 gas, auto.My truck stalls out mostly after it is warm and driven for about ten minutes.It happens when I slow down to stop or turn in somewhere.Also now it sometimes sounds like a diesel when starting for a second or two after it has stalled..That rattle they have.Other than that it runs like a top has lots of power etc. I have read some of the threads on this problem and started replacing sensors.I originally thought to replace the idle air control valve .No fix. Then took it to have the codes read.Was told the speed sensor,abs sensor,and oxygen sensor.Replaced them all.Figured when truck knew how fast it was going it might be OK...no good.
What next ? I haven't had it back on the code reader yet.
Thanx for any help in advance.
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  #2  
Old 09-21-2009, 08:34 PM
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Any info on the cat and o2 sensor?
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  #3  
Old 09-21-2009, 08:49 PM
Twisted Metal Twisted Metal is offline
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Try running a can of Seafoam thru it. It will help clean out the throttle body. also clean or replace the TPS. Also, I am with Aubrey, check the cat out. Does it rattle? Sound like marbles inside? If so, replace it.
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Old 09-22-2009, 02:55 AM
Bigdodge98 Bigdodge98 is offline
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Crank positioning sensor id put money on it
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Old 09-22-2009, 06:28 PM
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Aubrey- what do you mean by info on 02 sensor and cat?I replaced the rear 02 sensor.Cat doesn't sound rattly but didn't loosen anything to shake it enough to see.The truck wouldn't run quite right or start right if cat was gone would it?

Twisted metal- if the truck isn't doing the customary up and down idling do you think it could still be the TPS?

Bigdodge98- wouldn't the crank sensor show up with trouble codes?If not how should I test it before throwing more money(that I don't have) at it?
Sorry to answer your queries with questions but want to stop spending and start fixing.
What is best way to check cat?


Thanx in advance for your ideas and help.

Last edited by Guilty; 09-24-2009 at 08:29 AM..
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  #6  
Old 09-27-2009, 06:38 PM
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checked vacuum and tps today didn't see anything wrong there.What readings should I get from the TPS?The truck only has 130,000km and it seems to be a heat related problem as it only happens when it is up to temp.I was checking things and when it reached temp it stalled just sitting there.It wouldn't start and stay running unless I touched the throttle .Does this give any more insight?

Thanx
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  #7  
Old 09-27-2009, 06:52 PM
xray99 xray99 is offline
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I was having problems stalling at lights, RPM's would go to near 0 at idle, and it would die.
I was lucky, was changing the air filter and I noticed a little rubber hose that feeds to the TB in front was badly cracked, I replaced it and it solved my problem.

Probably not something that simple, but occasionally stuff like that happens.
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Old 09-27-2009, 07:58 PM
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just thinking out loud...
after about 5-10 minutes is when the pcm would switch over from open-loop to closed-loop and try to tune the engine for minimal emissions. that's when the front 02 sensor really comes into play. if that hasn't been changed, i'd change it. you might be running overly rich or overly lean. rich might be associated with smell of gas.

idle problems can also be caused by IAC or TPS. sometimes tps will set a cel P0123.

what was your code on 02 sensor?
most auto parts stores will read the codes for free.
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  #9  
Old 09-28-2009, 10:27 AM
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The problem you're describing could be a bad cat especially with that number of miles on it. But it could be that front 02 sensor that is fouled up. Also, look down the top of your throttle body and see if there's a pool of oil in the bottom of the intake's pan. You could have a leak and have some nasty plugs.
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  #10  
Old 09-30-2009, 06:14 PM
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Xray- I sprayed some fluid around any vacuum areas and no changes in idle so I suspect no problems there and there are no hisses.

dhvaughan- around here the cheapest I found to get codes read was $10.Went to buy code reader today on sale and of course all gone.I didn't see what codes they were when he checked I just wrote down the parts I needed when he said what the problems were.The parts weren't from him and I put them on so I wasn't worried about honesty and I was right there when he tested of course.I already changed IAC,rear O2,speed sensor, and ABS sensor.The truck isn't idling up and down like the usual signal of a TPS.

Aubrey- When I get the chance I will look down throttle body and maybe check front O2 .I hate the thoughts of the Cat being gone but if I can't find anything else in the codes I will have to look really close at it.

Thanx guys/gals I appreciate any other ides and input.The wife wants to get me a 2008 Chev.....just because the bank has lots of money she says...
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  #11  
Old 10-21-2009, 06:55 AM
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Well I got a chance to do some more searching.I looked down the throttle body and fine there.Plugs seem great with nice tan color.Replaced dist. cap and rotor,no change there.While I was at it I need to replace upper rad hose so flushed coolant and replaced thermostat,of course nothing there.Bought muffler and front O2 sensor but haven't had good enough weather for it and garage is full.When I change muffler I can look closely at cat.Hope this is the end of it.

Thanx
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  #12  
Old 10-21-2009, 07:12 AM
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just take a hammer and bang on the cat, if you hea rattling like stated before, the cats gopne. no need to look up in there


and as for you changing the rear o2 sensor. pffft. i dont even have one and the truck runs great. so IMO that sensor was a waste. you always want to get te one before the cat, becuase thats the one reading all the flow basically
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Last edited by 95RAM360; 10-21-2009 at 07:14 AM..
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  #13  
Old 10-24-2009, 08:57 PM
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wee I tried just about everything now.I changed the muffler cause it needed it and while it was off I beat on the cat and it seems solid with no rattles.I changed the front O2 sensor this time and still have bleeping problem.Still can't see any other problems .It also seems that the problem comes a little quicker now.I can't seem to get as far before I can tell something is wrong.Will check TPS readings and then guess I will have to buy a OBD2 reader.If I go this route what would be a good(half decent one) for under 400 dollars in Canada.Names options good things bad things and what to stay away from.

Appreciate it.
Thanx
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Last edited by Guilty; 10-25-2009 at 12:52 PM..
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  #14  
Old 11-01-2009, 05:03 AM
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BigDodge98 wins the prize!!!! worked my way up and replaced both the crank position sensor and camshaft sensor and now she purrs again.Thanks for giving me all the info.Most of it was quite useful.Now about an OBDII code reader.Which ones should I be looking at or are we allowed to talk about that stuff?

Thanx
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  #15  
Old 11-01-2009, 03:20 PM
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OBD2 - Ebay has some nice offerings for well under $100.
Might even be worthwhile checking Murrays.
You want to make sure you get a unit which displays what the code means, and not just the code # itself, as some of the cheaper units do.
Other than that, they all do pretty much the same thing.
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  #16  
Old 11-02-2009, 07:52 AM
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great. A friend brought one over after the problem was solved but he had no clue to use it yet.Its an OTC Pegysys system...BEAUTIFUL.of course he wouldn't leave it overnight.Must get him back for an hour to go over it with him and check the rest of the truck before snow flies.

Thanx again
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  #17  
Old 01-30-2010, 06:17 PM
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im having a simular problem with my 96 it dies after reaching a certain temp then starts no prob, switched the IAC and still dies, id rule out the CPS, with my ezperience the truck wont run at all if its shot. the cat was the first thing i yanked when i bought the truck 3 years ago so i cant help there, im on my way out to the shop right now to try a new tps and maybe yank the front 02 sensor due to the fact my newly installed headers may have fowld it up pretty good, ill get back to you
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  #18  
Old 09-17-2010, 06:23 AM
DRAGOONS24L DRAGOONS24L is offline
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Unhappy Not really sure???

Hey Guys, I have an Electrical problem with my 98 dodge ram 1500 it stalls out when i run my A/C or radio, with them both off it run an doesn't die. Already replaced my Alt. and battery what am I missing
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Old 09-17-2010, 08:22 AM
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Will your radio kill your truck by itself?

That seems REALLY odd...... I would start looking at all power feeds, and grounds. Make sure they are all clean, and tight.

Welcome to DF!
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Old 01-24-2011, 09:29 PM
Joshua Lowry Joshua Lowry is offline
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Question Similar Situation

I also have a 98 dodge ram 1500 with the 318 and I am experiencing the same problems you are having, but I have not started replacing anything yet. I am also having problems with AC/heater. It switches from front vents to defrost and with very minimal heat. Even if you let the truck warm up for a while still minimal heat. I like everyone would like to spend the least amount of money to fix my problem. I was thinking as soon as I can I will check all the throttle cables and do detailed inspection on everything. After that though, where should I begin?
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Old 01-24-2011, 09:29 PM
 
 
 
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1500, 98, air, code, control, dodge, idle, intake, oxygen, ram, reader, sensor, speed, stalling, v6

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