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-   -   Hard starting, won't idle. (https://dodgeforum.com/forum/2nd-gen-ram-tech/431360-hard-starting-wont-idle.html)

Kay_tar Jun 25, 2020 08:58 PM

Hard starting, won't idle.
 
OK so the truck.
1998 Ram 1500 5.2 V8 all stock no mods what so ever.

On initial startup it goes like this: Starting is is difficult and sounds like the problem is the ignition is trying to fire on an upstroke and almost stop the engine from turning.
Now correct me if I am wrong you cannot adjust the advance or retard on these Magnum engines can you? I haven't touched the dissy just the cap, all I did is install a new ignition coil, the old one was arching out.


HeyYou Jun 25, 2020 09:06 PM

Nope, you are correct, timing is not adjustable.

Does the engine struggle to turn over? Is it any better if you jump it? How old is the battery?

Kay_tar Jun 25, 2020 09:10 PM


Originally Posted by HeyYou (Post 3485178)
Nope, you are correct, timing is not adjustable.

Does the engine struggle to turn over? Is it any better if you jump it? How old is the battery?

With a full battery all healthy and charged up and cranks harsh almost as if it's hydrolocking or getting way to much advance and trying to fire before tdc.
I can start it by working the throttle but it runs really rough and will shut off on it's own if I try and let it idle.
When running it will rev up but idle is totally dicked.

HeyYou Jun 25, 2020 09:13 PM

So, you have several possibilities there.... Think I would go visit one of your local parts store, and have them do a starter draw test for you. Think I would also see if you have a stuck injector dumping gas into a cylinder. Getting any codes??

true blue Jun 25, 2020 10:54 PM

Don't forget the possibility of the ubiquitous jumped timing chain.

Kay_tar Jun 26, 2020 03:01 PM


Originally Posted by HeyYou (Post 3485181)
So, you have several possibilities there.... Think I would go visit one of your local parts store, and have them do a starter draw test for you. Think I would also see if you have a stuck injector dumping gas into a cylinder. Getting any codes??

I checked and I do not have any stored or active codes.
Today I will grab some used injectors from the junk yard and also check my timing.

Were timing chain failure common on these 318s My last Dodge Ram Magnum 318 had 233,014 mi on it without much issue besides it burning oil badly.

Kay_tar Jun 26, 2020 05:17 PM


Originally Posted by true blue (Post 3485194)
Don't forget the possibility of the ubiquitous jumped timing chain.

How common is it on these magnum engines?
This current truck only has 100,000mi on it.

HeyYou Jun 26, 2020 05:59 PM

Failure is rare. Chain stretching is common. I generally recommend replacing timing set it you are close to/over 100K miles.

Kay_tar Jun 26, 2020 09:23 PM

Got it figured out.
rechecked everything and found I was one wire off. DOH
So i just moved all the wires ahead one position on the distributor and runs like a champ again. A reminder to remember *K-I-S-S* keep it simple, stupid

HeyYou Jun 26, 2020 09:31 PM

The relationship between which cylinder is firing, where the distributor is turned, and where the crank is, is very important. Number one cylinder is marked on the cap, and it NEEDS to be there. (and yup, its fun to see....) Has the distributor been moved/replaced?


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