1997 Dodge Ram Misfiring

LYNXX0520

MEMBER
1997 DODGE RAM
V8
4WD
AUTOMATIC
170,000 MILES

I have a 1997 Dodge Ram 1500. I recently replaced the spark plugs, fuel pump, distributor cap and rotor, and did an oil change. The truck idles fine but when you shift into drive, it doesn't have any power. The tester showed the code P0300 which means it's misfiring. What could this possibly be?

Friday, October 17th, 2008 AT 4:18 PM

4 Replies

DOCFIXIT

MECHANIC
18,828 POSTS

Pull plug hold next to block spark should be blue/white if yellowish then coil is weak.

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Friday, October 17th, 2008 AT 4:21 PM

LYNXX0520

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2 POSTS

[quote="lynxx0520"]Engine Performance problem
1997 Dodge Ram V8 Four Wheel Drive Automatic 170000 miles

I have a 1997 Dodge Ram 1500. I recently replaced the spark plugs, fuel pump, distributor cap and rotor, and did an oil change. The truck idles fine but when you shift into drive, it doesn't have any power. The tester showed the code P0300 which means it's misfiring. What could this possibly be? The coil did, t fix it.

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Tuesday, October 21st, 2008 AT 7:03 AM

DOCFIXIT

MECHANIC
18,828 POSTS

What do you mean by no power? Does it miss? Backfire? Won't even pull it's own weight?
All testing for P0300 requires an engine analyzer to be used. Things that can cause:
wires-EGR-PCM-injectors-restricted exhaust-low fuel delivery-restricted intake-EVAP-mechanicl engine problem
What is engine vacuum at idle? Engine compression
Let me know

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Tuesday, October 21st, 2008 AT 8:43 AM

RODTHABOD

MEMBER
1 POST

Sounds like to me you have a problem with the wiring order. They are listed on the engine block. If they are not in the exact order then you will have missfiring.

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Sunday, November 2nd, 2008 AT 3:13 PM