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2001 Dodge Ram #3 cylinder misfire

Tiny
1EYEBLIND
  • MEMBER
  • 2001 DODGE RAM
  • 3.6L
  • V6
  • 2WD
  • AUTOMATIC
  • 167,000 MILES
I have a 2001 dodge ram 1500 v6 magnum the check engine light came on and my obd2 scanner showed the code p0303 witch meant cylinder #3 misfire I changed plugs cap rotor even checked injectors and cleared the code and it still comes on after a couple times of starting it up. It also seams to lack of some power on acceleration but not all the time is there anything else that I can try before I have to take it to a shop and pay out the you know what please help if you can. Im desperate.
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Monday, February 10th, 2014 AT 1:58 AM

4 Replies

Tiny
1EYEBLIND
  • MEMBER
  • 23 POSTS
What ii the compression that the cylinders have on my 2001 dodge ram 1500 v6 magnum
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Monday, February 10th, 2014 AT 1:58 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,872 POSTS
They should be in the area of 120 psi. However, you need to check all cylinders to make sure there isn't more than a 10% variation between them. If there is more than that, you could have a misfire.

If the injector is clean and the plug is new, check compression in that cylinder to make sure it isn't weak.
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Tuesday, February 11th, 2014 AT 4:49 AM
Tiny
1EYEBLIND
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I checked all the cylinders and they were all about in 120 to 125 new plugs cap rotor I even switched the wire on # 3 cylinder. Then I cleared the code it stayed off for half a day then p0303 pop up agin.
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Tuesday, February 11th, 2014 AT 10:27 PM
Tiny
MAXIMILIAM
  • ADMIN
  • 436 POSTS
120 to 125 in all cylinders plugs rotor cap changed # 3 plug wire and cleard code and it still came on after half a day

1eyeblind
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Wednesday, February 12th, 2014 AT 2:20 AM

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