1999 Ford Ranger engine

Tiny
BARBARA1963
  • 1999 FORD RANGER

I cleaned the egr valve and I also switched number 2 injector with number 3 but the check engine still said number 2 had misfire so what could be the problem now? Maybe the valve?I've put everything on this truck new and it runs good for a couple days then the check engine light comes on and tells me that number 2 is misfiring and the truck shakes a little.

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Sunday, October 27th, 2013 AT 12:49 PM

7 Replies

Tiny
BARBARA1963
  • MEMBER

This is a 3.0 engine on the 99 ford ranger

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Sunday, October 27th, 2013 AT 12:54 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,360 POSTS

Have you checked the condition of the plug? Coils? Have you checked to see if the compression is good in that cylinder?

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Sunday, October 27th, 2013 AT 1:46 PM
Tiny
BARBARA1963
  • MEMBER

YES, I PUT NEW PLUGS, NEW COIL AND THE COMPRESSION IS 99 IN THAT CYLINDER, I DONT UNDERSTAND WHATS WRONG AND WHY IT KEEPS COMING UP THAT NUMBER 2 IS MISFIRE

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Sunday, October 27th, 2013 AT 3:10 PM
Tiny
JACOBANDNICKOLAS
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99 isn't real high. Have you checked the other cylinders?

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Sunday, October 27th, 2013 AT 3:48 PM
Tiny
BARBARA1963
  • MEMBER

I ONLY HAVE THE PROBLEM IN CYLINDER 2 SO I DIDNT SEE THE NEED TO CHECK THE OTHER ONES AND WHAT WOULD BE A GOOD COMPRESSION READING?

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Sunday, October 27th, 2013 AT 4:25 PM
Tiny
JACOBANDNICKOLAS
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I understand, but all cylinders need to be within 10% of each other. If the others are 140+ it could cause a misfire. I know it sounds crazy. It's just a suggestion.

Also, have you checked to make sure the injector for that cylinder is getting power?

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Sunday, October 27th, 2013 AT 7:34 PM
Tiny
BARBARA1963
  • MEMBER

Yes it has power, I even changed injector 2 for injector 3 and it still said misfire on 2

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Monday, October 28th, 2013 AT 7:40 AM

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