Question about 1984 Dodge Rampage

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Everything in elec. system has been replaced including coil distributer ecm.,but car will start one day but not the next,leave it sit a couple days and it runs again.

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If it turns over but doesnt run, check the hall pickup in the distributor. if it wont turn over at all, its the brown goundwire connected in the engine compartment on the drivers side halway between the starter motor and the master cylinder.

Posted on Sep 28, 2010

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I have a 1996 Chevrolet C 1500 PU with vortec engine if I start it every day it is fine but if I let it sit without starting for a couple days it won't start. What will cause this.


very interesting indeed. My first impression would be replace the fuel pressure regulator. if that doesn't do the trick i'd look at the engine temp sensor to the ECM. beyond that, replace the ecm.

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Takes 10 or more trys to start if it sits for several hours if it sits for a couple of days it will start right up


I happened to have owned the exact Model and Year of this car. I did not have this problem but can suggest a few potential parts which can do this.

What you are describing is likely due to a "heat sink" condition in electrical components or failure of the "cold start sequence" to reset.

The cold start sequence needs a water sensor to tell the ECM to reset from driving Mode to Starting Mode. Cars usually have 2 identical sensors with 1 working the dash gauge and the other operating the signal to the ECM. This is a silent failure and usually not picked up by the onboard diagnostics. It is an inexpensive part. But, the ECM could be bad if it does not do anything with the signal. The ECM is expensive.

The other part I have in mind works the same way with the ECM. The O2 sensors also tell the ECM what to do. The cold setting for the O2 is different than the Hot setting. When the O2 is hot, it makes the engine get a signal to run lean, often too lean to start. Sometimes this error is picked up on the onboard diagnostics, but not always. Someone would need to unplug the O2 sensors and test them electrically to see what values they show.

Relays can also cause a problem like yours. After shutting off the engine relays can be hot. These hot relays will cool over time, but the points or coils inside may not work properly when the engine is restarted too soon.

Last, have your battery checked. A hot battery can drop voltage and it may be at that tipping point where electrical values are changed throughout the system.

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1 Answer

My 1994 Jeep Wrangler starts fine usually most of the time. Occasionally when you go to start it, it will crank but not fire. When this happens it has to sit for awhile, some times a short period, other...


if you try to start it . turn it over a couple times then turn off key and then try again immediately it prob will start. if not replace the coil wire that should take care of it . let me know how it goes. have a good day!

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Really silly questions now!

If it is an auto box! have you got in any gear other than Park??
Have you checked the immobiliser????
Crank angle sensor is ok?????

I've experienced problems with Jag's in the past! this sounds crazy but check that the coolant temp sender is not worn out and shorting on the bonnet liner! sounds crazy but this has hapened before! shorted out the entire ignition system!

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My 2000 chevy blazer will start some days and not others.. replaced fuel filter. This problem just started. I haven't had any past problems..Any ideas? Also has a new battery. Wife had taken it to the...


sounds like your distributer rotor is stuck or rusted over. That was the same problem on my dads Jeep. If it's not that then it might be the whole ignition system like plugs, distrubuter cap, wires, or coil. Try that and if it's still not working then try fuel delivery

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1 Answer

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I think it's the fuel pump or the fuel pump filter.

Check the fuel system that's where your problem is, my bet is your fuel pump has left this world to a better place.

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I had the same problem recently but replacing the ignition Coil under the distributor (inside) solved the problem. Also replaced the distributor Cap and rotor at the same time.

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