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96 5.2L 318, random all cylinder misfire.

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Old 05-07-2008, 12:35 AM
Vincep Vincep is offline
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Default 96 5.2L 318, random all cylinder misfire.

Here's the story. I've been getting misfires. Acording to my code reader it's all cylinders in a random order. (Error codes 300-309)

When I climb a hills on the highway, the symptoms are worse.
I've changed the cap , rotor, coil and condenser inside the distributor. It's runs a little better butI still get the missing. What should I try next? Thanks.
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Old 05-07-2008, 12:43 AM
Midnight95 Midnight95 is offline
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

what about plugs? it just a guess though, have you done anything other than that to the truck or it just happen all the sudden? i know my truck was missing but changed the plugs and it purrs like a kitten...
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Old 05-07-2008, 12:47 AM
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

Wires? Plugs? Check for cracked head? Checked cat? Those are usually what I hear people mostly having missfires from although the all cylinders doing it is weird.
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Old 05-07-2008, 12:57 AM
Vincep Vincep is offline
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

Like I said, it's all cylinders; in a random order. For example, I'm getting error Codes 300 308 301 304 etc. Plugs are in great shape. As far as the O2 sensor, that was recently changed too. Besides, I'm not getting an O2 snsor error code.

It all started a few months ago whenI started the truck up and it stared misfiring.

When Im driving up a hill on the highway, the truck vibrates badly; ifI don't give it enough gas. The check engine light blinks too.

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Old 05-07-2008, 12:53 PM
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

Speaking from experience, mine ended up being a clogged CAT. I initially had a #5 cylinder missfire issue, that turned out to be a bent exhaust valve.

After fixing that, I noticed the random missfires, and lack of power when pulling, etc. A quick trick is to unplug the front O2 sensor to see if it helps (other than being kinda loud for the test period).

Get a high-flow CAT or gut the old one (or remove it completely if you can).. might be a cheap fix!
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Old 05-07-2008, 02:43 PM
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

Quote:
ORIGINAL: PartsChaser

Speaking from experience, mine ended up being a clogged CAT. I initially had a #5 cylinder missfire issue, that turned out to be a bent exhaust valve.

After fixing that, I noticed the random missfires, and lack of power when pulling, etc. A quick trick is to unplug the front O2 sensor to see if it helps (other than being kinda loud for the test period).

Get a high-flow CAT or gut the old one (or remove it completely if you can).. might be a cheap fix!
X2 on the cat. Go to a muffler shop and have them pressure test it.
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Old 05-07-2008, 08:59 PM
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

Thanks for the replies. This weekend I'll disconnect the O2 Sensor and see if that helps. Any other things to look for?
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Old 05-07-2008, 09:22 PM
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

Did you replace the ignition coil? if so, with what brand of coil? There's been a few guys with Accel coil problems.
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Old 05-07-2008, 10:53 PM
Vincep Vincep is offline
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

I did replace the coil. The brand is Standard.
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Old 05-09-2008, 11:23 PM
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Default RE: 96 Dodge Ram 5.2L 318, random all cylinder misfire.

What about the EGR valve?
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Old 05-09-2008, 11:23 PM
 
 
 
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2000, 2001, code, cylinder, cylinders, dakota, dodge, durango, misfire, missfire, o2, ram, sensor, symptoms, van

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